diff --git a/demo/playground/src/jvmMain/kotlin/VisionForgePlayGroundForJupyter.kt b/demo/playground/src/jvmMain/kotlin/VisionForgePlayGroundForJupyter.kt
index 6cbe311d..651b580d 100644
--- a/demo/playground/src/jvmMain/kotlin/VisionForgePlayGroundForJupyter.kt
+++ b/demo/playground/src/jvmMain/kotlin/VisionForgePlayGroundForJupyter.kt
@@ -36,13 +36,13 @@ internal class VisionForgePlayGroundForJupyter : JupyterPluginBase(
 
         render<Gdml> { gdmlModel ->
             handler.produceHtml {
-                vision(gdmlModel.toVision())
+                vision { gdmlModel.toVision() }
             }
         }
 
         render<Plot> { plot ->
             handler.produceHtml {
-                vision(plot.asVision())
+                vision { plot.asVision() }
             }
         }
     }
diff --git a/demo/playground/src/jvmMain/kotlin/allThingsDemo.kt b/demo/playground/src/jvmMain/kotlin/allThingsDemo.kt
index 9c68af8b..23b73af4 100644
--- a/demo/playground/src/jvmMain/kotlin/allThingsDemo.kt
+++ b/demo/playground/src/jvmMain/kotlin/allThingsDemo.kt
@@ -1,7 +1,6 @@
 package space.kscience.visionforge.examples
 
 import kotlinx.html.h2
-import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.values.ValueType
 import space.kscience.plotly.layout
 import space.kscience.plotly.models.ScatterMode
@@ -10,177 +9,166 @@ import space.kscience.plotly.scatter
 import space.kscience.tables.ColumnHeader
 import space.kscience.visionforge.html.ResourceLocation
 import space.kscience.visionforge.markup.markdown
-import space.kscience.visionforge.plotly.PlotlyPlugin
 import space.kscience.visionforge.plotly.plotly
-import space.kscience.visionforge.solid.Solids
 import space.kscience.visionforge.solid.box
 import space.kscience.visionforge.solid.solid
 import space.kscience.visionforge.solid.z
-import space.kscience.visionforge.tables.TableVisionPlugin
 import space.kscience.visionforge.tables.columnTable
 import java.nio.file.Paths
 
 
-fun main() {
-    val context = Context {
-        plugin(Solids)
-        plugin(PlotlyPlugin)
-        plugin(TableVisionPlugin)
+fun main() = makeVisionFile(
+    Paths.get("VisionForgeDemo.html"),
+    resourceLocation = ResourceLocation.EMBED
+) {
+    markdown {
+        //language=markdown
+        """
+            # VisionForge
+            
+            This is a demo for current VisionForge features. This text is written in [MarkDown](https://github.com/JetBrains/markdown)
+        """.trimIndent()
     }
 
-    context.makeVisionFile(
-        Paths.get("VisionForgeDemo.html"),
-        resourceLocation = ResourceLocation.EMBED
-    ) {
-        markdown {
-            //language=markdown
-            """
-                # VisionForge
-                
-                This is a demo for current VisionForge features. This text is written in [MarkDown](https://github.com/JetBrains/markdown)
-            """.trimIndent()
-        }
-
-        h2 { +"3D visualization with Three-js" }
-        vision("3D") {
-            solid {
-                box(100, 100, 100, name = "aBox"){
-                    z = 50.0
-                }
+    h2 { +"3D visualization with Three-js" }
+    vision("3D") {
+        solid {
+            box(100, 100, 100, name = "aBox"){
+                z = 50.0
             }
         }
+    }
 
-        h2 { +"Interactive plots with Plotly" }
-        vision("plot") {
-            plotly {
-                scatter {
-                    x(1, 2, 3, 4)
-                    y(10, 15, 13, 17)
-                    mode = ScatterMode.markers
-                    name = "Team A"
-                    text("A-1", "A-2", "A-3", "A-4", "A-5")
-                    textposition = TextPosition.`top center`
-                    textfont {
-                        family = "Raleway, sans-serif"
-                    }
-                    marker { size = 12 }
+    h2 { +"Interactive plots with Plotly" }
+    vision("plot") {
+        plotly {
+            scatter {
+                x(1, 2, 3, 4)
+                y(10, 15, 13, 17)
+                mode = ScatterMode.markers
+                name = "Team A"
+                text("A-1", "A-2", "A-3", "A-4", "A-5")
+                textposition = TextPosition.`top center`
+                textfont {
+                    family = "Raleway, sans-serif"
                 }
+                marker { size = 12 }
+            }
 
-                scatter {
-                    x(2, 3, 4, 5)
-                    y(10, 15, 13, 17)
-                    mode = ScatterMode.lines
-                    name = "Team B"
-                    text("B-a", "B-b", "B-c", "B-d", "B-e")
-                    textposition = TextPosition.`bottom center`
-                    textfont {
-                        family = "Times New Roman"
-                    }
-                    marker { size = 12 }
+            scatter {
+                x(2, 3, 4, 5)
+                y(10, 15, 13, 17)
+                mode = ScatterMode.lines
+                name = "Team B"
+                text("B-a", "B-b", "B-c", "B-d", "B-e")
+                textposition = TextPosition.`bottom center`
+                textfont {
+                    family = "Times New Roman"
                 }
+                marker { size = 12 }
+            }
 
-                layout {
-                    title = "Data Labels Hover"
-                    xaxis {
-                        range(0.75..5.25)
-                    }
-                    legend {
-                        y = 0.5
-                        font {
-                            family = "Arial, sans-serif"
-                            size = 20
-                            color("grey")
-                        }
+            layout {
+                title = "Data Labels Hover"
+                xaxis {
+                    range(0.75..5.25)
+                }
+                legend {
+                    y = 0.5
+                    font {
+                        family = "Arial, sans-serif"
+                        size = 20
+                        color("grey")
                     }
                 }
             }
         }
-        h2 { +"Interactive tables with Tabulator" }
-        vision("table") {
-            val x by ColumnHeader.value(ValueType.NUMBER)
-            val y by ColumnHeader.value(ValueType.NUMBER)
-            columnTable(
-                x to listOf(2, 3, 4, 5),
-                y to listOf(10, 15, 13, 17)
-            )
-        }
-        markdown {
-            //language=markdown
-            """
-                ## The code for everything above
-                ```kotlin
-                markdown {
-                    //language=markdown
-                    ""${'"'}
-                        # VisionForge
-                        
-                        This is a demo for current VisionForge features. This text is written in [MarkDown](https://github.com/JetBrains/markdown)
-                    ""${'"'}.trimIndent()
+    }
+    h2 { +"Interactive tables with Tabulator" }
+    vision("table") {
+        val x by ColumnHeader.value(ValueType.NUMBER)
+        val y by ColumnHeader.value(ValueType.NUMBER)
+        columnTable(
+            x to listOf(2, 3, 4, 5),
+            y to listOf(10, 15, 13, 17)
+        )
+    }
+    markdown {
+        //language=markdown
+        """
+            ## The code for everything above
+            ```kotlin
+            markdown {
+                //language=markdown
+                ""${'"'}
+                    # VisionForge
+                    
+                    This is a demo for current VisionForge features. This text is written in [MarkDown](https://github.com/JetBrains/markdown)
+                ""${'"'}.trimIndent()
+            }
+    
+            h2 { +"3D visualization with Three-js" }
+            vision("3D") {
+                solid {
+                    box(100, 100, 100, name = "aBox")
                 }
-        
-                h2 { +"3D visualization with Three-js" }
-                vision("3D") {
-                    solid {
-                        box(100, 100, 100, name = "aBox")
+            }
+    
+            h2 { +"Interactive plots with Plotly" }
+            vision("plot") {
+                plotly {
+                    scatter {
+                        x(1, 2, 3, 4)
+                        y(10, 15, 13, 17)
+                        mode = ScatterMode.markers
+                        name = "Team A"
+                        text("A-1", "A-2", "A-3", "A-4", "A-5")
+                        textposition = TextPosition.`top center`
+                        textfont {
+                            family = "Raleway, sans-serif"
+                        }
+                        marker { size = 12 }
                     }
-                }
-        
-                h2 { +"Interactive plots with Plotly" }
-                vision("plot") {
-                    plotly {
-                        scatter {
-                            x(1, 2, 3, 4)
-                            y(10, 15, 13, 17)
-                            mode = ScatterMode.markers
-                            name = "Team A"
-                            text("A-1", "A-2", "A-3", "A-4", "A-5")
-                            textposition = TextPosition.`top center`
-                            textfont {
-                                family = "Raleway, sans-serif"
-                            }
-                            marker { size = 12 }
+    
+                    scatter {
+                        x(2, 3, 4, 5)
+                        y(10, 15, 13, 17)
+                        mode = ScatterMode.lines
+                        name = "Team B"
+                        text("B-a", "B-b", "B-c", "B-d", "B-e")
+                        textposition = TextPosition.`bottom center`
+                        textfont {
+                            family = "Times New Roman"
                         }
-        
-                        scatter {
-                            x(2, 3, 4, 5)
-                            y(10, 15, 13, 17)
-                            mode = ScatterMode.lines
-                            name = "Team B"
-                            text("B-a", "B-b", "B-c", "B-d", "B-e")
-                            textposition = TextPosition.`bottom center`
-                            textfont {
-                                family = "Times New Roman"
-                            }
-                            marker { size = 12 }
+                        marker { size = 12 }
+                    }
+    
+                    layout {
+                        title = "Data Labels Hover"
+                        xaxis {
+                            range(0.75..5.25)
                         }
-        
-                        layout {
-                            title = "Data Labels Hover"
-                            xaxis {
-                                range(0.75..5.25)
-                            }
-                            legend {
-                                y = 0.5
-                                font {
-                                    family = "Arial, sans-serif"
-                                    size = 20
-                                    color("grey")
-                                }
+                        legend {
+                            y = 0.5
+                            font {
+                                family = "Arial, sans-serif"
+                                size = 20
+                                color("grey")
                             }
                         }
                     }
                 }
-                h2 { +"Interactive tables with Tabulator" }
-                vision("table") {
-                    val x by ColumnHeader.value(ValueType.NUMBER)
-                    val y by ColumnHeader.value(ValueType.NUMBER)
-                    columnTable(
-                        x to listOf(2, 3, 4, 5),
-                        y to listOf(10, 15, 13, 17)
-                    )
-                }
-                ```
-            """.trimIndent()
-        }
+            }
+            h2 { +"Interactive tables with Tabulator" }
+            vision("table") {
+                val x by ColumnHeader.value(ValueType.NUMBER)
+                val y by ColumnHeader.value(ValueType.NUMBER)
+                columnTable(
+                    x to listOf(2, 3, 4, 5),
+                    y to listOf(10, 15, 13, 17)
+                )
+            }
+            ```
+        """.trimIndent()
     }
 }
\ No newline at end of file
diff --git a/demo/playground/src/jvmMain/kotlin/formServer.kt b/demo/playground/src/jvmMain/kotlin/formServer.kt
index c5276554..7397b6b6 100644
--- a/demo/playground/src/jvmMain/kotlin/formServer.kt
+++ b/demo/playground/src/jvmMain/kotlin/formServer.kt
@@ -3,21 +3,19 @@ package space.kscience.visionforge.examples
 import kotlinx.html.*
 import space.kscience.dataforge.context.Global
 import space.kscience.dataforge.context.fetch
-import space.kscience.dataforge.names.asName
 import space.kscience.visionforge.VisionManager
+import space.kscience.visionforge.html.Page
 import space.kscience.visionforge.html.formFragment
 import space.kscience.visionforge.onPropertyChange
-import space.kscience.visionforge.three.server.close
-import space.kscience.visionforge.three.server.openInBrowser
-import space.kscience.visionforge.three.server.serve
-import space.kscience.visionforge.three.server.useScript
+import space.kscience.visionforge.server.close
+import space.kscience.visionforge.server.openInBrowser
+import space.kscience.visionforge.server.serve
 
 fun main() {
     val visionManager = Global.fetch(VisionManager)
 
     val server = visionManager.serve {
-        useScript("js/visionforge-playground.js")
-        page {
+        page(header = Page.scriptHeader("js/visionforge-playground.js")) {
             val form = formFragment("form") {
                 label {
                     htmlFor = "fname"
@@ -50,7 +48,7 @@ fun main() {
                 }
             }
 
-            vision("form".asName(), form)
+            vision("form") { form }
             form.onPropertyChange {
                 println(this)
             }
diff --git a/demo/playground/src/jvmMain/kotlin/gdmlCubes.kt b/demo/playground/src/jvmMain/kotlin/gdmlCubes.kt
index 9de22003..d5d483bc 100644
--- a/demo/playground/src/jvmMain/kotlin/gdmlCubes.kt
+++ b/demo/playground/src/jvmMain/kotlin/gdmlCubes.kt
@@ -1,19 +1,13 @@
 package space.kscience.visionforge.examples
 
-import space.kscience.dataforge.context.Context
 import space.kscience.gdml.GdmlShowCase
 import space.kscience.visionforge.gdml.toVision
 import space.kscience.visionforge.html.ResourceLocation
 import space.kscience.visionforge.solid.Solids
 
-fun main() {
-    val context = Context {
-        plugin(Solids)
-    }
-
-    context.makeVisionFile(resourceLocation = ResourceLocation.SYSTEM){
-        vision("canvas") {
-            GdmlShowCase.cubes().toVision()
-        }
+fun main() = makeVisionFile(resourceLocation = ResourceLocation.SYSTEM){
+    vision("canvas") {
+        requirePlugin(Solids)
+        GdmlShowCase.cubes().toVision()
     }
 }
\ No newline at end of file
diff --git a/demo/playground/src/jvmMain/kotlin/gdmlCurve.kt b/demo/playground/src/jvmMain/kotlin/gdmlCurve.kt
index 1a646d97..81facd71 100644
--- a/demo/playground/src/jvmMain/kotlin/gdmlCurve.kt
+++ b/demo/playground/src/jvmMain/kotlin/gdmlCurve.kt
@@ -1,6 +1,5 @@
 package space.kscience.visionforge.examples
 
-import space.kscience.dataforge.context.Context
 import space.kscience.gdml.*
 import space.kscience.visionforge.gdml.toVision
 import space.kscience.visionforge.html.ResourceLocation
@@ -10,13 +9,9 @@ import space.kscience.visionforge.solid.invoke
 import space.kscience.visionforge.visible
 import java.nio.file.Path
 
-fun main() {
-    val context = Context {
-        plugin(Solids)
-    }
-
-    context.makeVisionFile(Path.of("curves.html"), resourceLocation = ResourceLocation.EMBED) {
+fun main() = makeVisionFile(Path.of("curves.html"), resourceLocation = ResourceLocation.EMBED) {
         vision("canvas") {
+            requirePlugin(Solids)
             Gdml {
                 // geometry variables
                 val worldSize = 500
@@ -240,5 +235,4 @@ fun main() {
                 }
             }
         }
-    }
-}
\ No newline at end of file
+    }
\ No newline at end of file
diff --git a/demo/playground/src/jvmMain/kotlin/gdmlIaxo.kt b/demo/playground/src/jvmMain/kotlin/gdmlIaxo.kt
index a9070af7..6ee718a2 100644
--- a/demo/playground/src/jvmMain/kotlin/gdmlIaxo.kt
+++ b/demo/playground/src/jvmMain/kotlin/gdmlIaxo.kt
@@ -1,16 +1,12 @@
 package space.kscience.visionforge.examples
 
-import space.kscience.dataforge.context.Context
 import space.kscience.gdml.GdmlShowCase
 import space.kscience.visionforge.gdml.toVision
 import space.kscience.visionforge.solid.Solids
 
-fun main() {
-    val context = Context {
-        plugin(Solids)
-    }
-
-    context.makeVisionFile {
-        vision("canvas") { GdmlShowCase.babyIaxo().toVision() }
+fun main() = makeVisionFile {
+    vision("canvas") {
+        requirePlugin(Solids)
+        GdmlShowCase.babyIaxo().toVision()
     }
 }
\ No newline at end of file
diff --git a/demo/playground/src/jvmMain/kotlin/plotlyVision.kt b/demo/playground/src/jvmMain/kotlin/plotlyVision.kt
index 4575b952..4b91c352 100644
--- a/demo/playground/src/jvmMain/kotlin/plotlyVision.kt
+++ b/demo/playground/src/jvmMain/kotlin/plotlyVision.kt
@@ -1,22 +1,15 @@
 package space.kscience.visionforge.examples
 
-import space.kscience.dataforge.context.Context
 import space.kscience.plotly.scatter
 import space.kscience.visionforge.html.ResourceLocation
-import space.kscience.visionforge.plotly.PlotlyPlugin
 import space.kscience.visionforge.plotly.plotly
 
-fun main() {
-    val context = Context {
-        plugin(PlotlyPlugin)
-    }
-    context.makeVisionFile(resourceLocation = ResourceLocation.SYSTEM){
-        vision {
-            plotly {
-                scatter {
-                    x(1, 2, 3)
-                    y(5, 8, 7)
-                }
+fun main() = makeVisionFile(resourceLocation = ResourceLocation.SYSTEM) {
+    vision {
+        plotly {
+            scatter {
+                x(1, 2, 3)
+                y(5, 8, 7)
             }
         }
     }
diff --git a/demo/playground/src/jvmMain/kotlin/randomSpheres.kt b/demo/playground/src/jvmMain/kotlin/randomSpheres.kt
index 0185bdc8..2d9a5f05 100644
--- a/demo/playground/src/jvmMain/kotlin/randomSpheres.kt
+++ b/demo/playground/src/jvmMain/kotlin/randomSpheres.kt
@@ -2,37 +2,30 @@ package space.kscience.visionforge.examples
 
 import kotlinx.html.div
 import kotlinx.html.h1
-import space.kscience.dataforge.context.Context
 import space.kscience.visionforge.html.ResourceLocation
 import space.kscience.visionforge.solid.*
 import java.nio.file.Paths
 import kotlin.random.Random
 
-fun main() {
-    val context = Context {
-        plugin(Solids)
-    }
+private val random = Random(112233)
 
-    val random = Random(112233)
-
-    context.makeVisionFile(
-        Paths.get("randomSpheres.html"),
-        resourceLocation = ResourceLocation.SYSTEM
-    ) {
-        h1 { +"Happy new year!" }
-        div {
-            vision {
-                solid {
-                    repeat(100) {
-                        sphere(5, name = "sphere[$it]") {
-                            x = random.nextDouble(-300.0, 300.0)
-                            y = random.nextDouble(-300.0, 300.0)
-                            z = random.nextDouble(-300.0, 300.0)
-                            material {
-                                color(random.nextInt())
-                            }
-                            detail = 16
+fun main() = makeVisionFile(
+    Paths.get("randomSpheres.html"),
+    resourceLocation = ResourceLocation.SYSTEM
+) {
+    h1 { +"Happy new year!" }
+    div {
+        vision {
+            solid {
+                repeat(100) {
+                    sphere(5, name = "sphere[$it]") {
+                        x = random.nextDouble(-300.0, 300.0)
+                        y = random.nextDouble(-300.0, 300.0)
+                        z = random.nextDouble(-300.0, 300.0)
+                        material {
+                            color(random.nextInt())
                         }
+                        detail = 16
                     }
                 }
             }
diff --git a/demo/playground/src/jvmMain/kotlin/rootParser.kt b/demo/playground/src/jvmMain/kotlin/rootParser.kt
index afe8528f..184557da 100644
--- a/demo/playground/src/jvmMain/kotlin/rootParser.kt
+++ b/demo/playground/src/jvmMain/kotlin/rootParser.kt
@@ -3,7 +3,6 @@ package space.kscience.visionforge.examples
 import ru.mipt.npm.root.DGeoManager
 import ru.mipt.npm.root.serialization.TGeoManager
 import ru.mipt.npm.root.toSolid
-import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.meta.Meta
 import space.kscience.dataforge.meta.get
 import space.kscience.dataforge.meta.isLeaf
@@ -22,11 +21,6 @@ private fun Meta.countTypes(): Sequence<String> = sequence {
 }
 
 fun main() {
-    val context = Context {
-        plugin(Solids)
-    }
-
-
     val string = ZipInputStream(TGeoManager::class.java.getResourceAsStream("/root/BM@N_geometry.zip")!!).use {
         it.nextEntry
         it.readAllBytes().decodeToString()
@@ -45,8 +39,9 @@ fun main() {
     Paths.get("BM@N.vf.json").writeText(Solids.encodeToString(solid))
     //println(Solids.encodeToString(solid))
 
-    context.makeVisionFile {
+    makeVisionFile {
         vision("canvas") {
+            requirePlugin(Solids)
             solid
         }
     }
diff --git a/demo/playground/src/jvmMain/kotlin/serverExtensions.kt b/demo/playground/src/jvmMain/kotlin/serverExtensions.kt
index 62d318ad..e8be7112 100644
--- a/demo/playground/src/jvmMain/kotlin/serverExtensions.kt
+++ b/demo/playground/src/jvmMain/kotlin/serverExtensions.kt
@@ -1,34 +1,25 @@
 package space.kscience.visionforge.examples
 
-import space.kscience.dataforge.context.Context
-import space.kscience.dataforge.misc.DFExperimental
+import space.kscience.dataforge.context.Global
+import space.kscience.visionforge.html.HtmlVisionFragment
+import space.kscience.visionforge.html.Page
 import space.kscience.visionforge.html.ResourceLocation
-import space.kscience.visionforge.html.VisionTagConsumer
-import space.kscience.visionforge.html.page
-import space.kscience.visionforge.html.scriptHeader
+import space.kscience.visionforge.html.importScriptHeader
 import space.kscience.visionforge.makeFile
-import space.kscience.visionforge.three.server.VisionServer
-import space.kscience.visionforge.three.server.useScript
-import space.kscience.visionforge.visionManager
 import java.awt.Desktop
 import java.nio.file.Path
 
-
-public fun VisionServer.usePlayground(): Unit {
-    useScript("js/visionforge-playground.js")
-}
-
-@OptIn(DFExperimental::class)
-public fun Context.makeVisionFile(
+public fun makeVisionFile(
     path: Path? = null,
     title: String = "VisionForge page",
     resourceLocation: ResourceLocation = ResourceLocation.SYSTEM,
     show: Boolean = true,
-    content: VisionTagConsumer<*>.() -> Unit,
+    content: HtmlVisionFragment,
 ): Unit {
-    val actualPath = visionManager.page(title, content = content).makeFile(path) { actualPath ->
+    val actualPath = Page(Global, content = content).makeFile(path) { actualPath ->
         mapOf(
-            "playground" to scriptHeader("js/visionforge-playground.js", resourceLocation, actualPath),
+            "title" to Page.title(title),
+            "playground" to Page.importScriptHeader("js/visionforge-playground.js", resourceLocation, actualPath),
         )
     }
     if (show) Desktop.getDesktop().browse(actualPath.toFile().toURI())
diff --git a/demo/playground/src/jvmMain/kotlin/simpleCube.kt b/demo/playground/src/jvmMain/kotlin/simpleCube.kt
index f804228b..e1fc91eb 100644
--- a/demo/playground/src/jvmMain/kotlin/simpleCube.kt
+++ b/demo/playground/src/jvmMain/kotlin/simpleCube.kt
@@ -1,21 +1,17 @@
 package space.kscience.visionforge.examples
 
-import space.kscience.dataforge.context.Context
 import space.kscience.visionforge.html.ResourceLocation
-import space.kscience.visionforge.solid.*
+import space.kscience.visionforge.solid.box
+import space.kscience.visionforge.solid.invoke
+import space.kscience.visionforge.solid.material
+import space.kscience.visionforge.solid.solid
 
-fun main() {
-    val context = Context {
-        plugin(Solids)
-    }
-
-    context.makeVisionFile(resourceLocation = ResourceLocation.SYSTEM){
-        vision("canvas") {
-            solid {
-                box(100, 100, 100)
-                material {
-                    emissiveColor("red")
-                }
+fun main() = makeVisionFile(resourceLocation = ResourceLocation.SYSTEM) {
+    vision("canvas") {
+        solid {
+            box(100, 100, 100)
+            material {
+                emissiveColor("red")
             }
         }
     }
diff --git a/demo/playground/src/jvmMain/kotlin/tables.kt b/demo/playground/src/jvmMain/kotlin/tables.kt
index c386ffda..46cad89d 100644
--- a/demo/playground/src/jvmMain/kotlin/tables.kt
+++ b/demo/playground/src/jvmMain/kotlin/tables.kt
@@ -1,22 +1,17 @@
 package space.kscience.visionforge.examples
 
-import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.values.ValueType
 import space.kscience.tables.ColumnHeader
 import space.kscience.tables.valueRow
 import space.kscience.visionforge.html.ResourceLocation
-import space.kscience.visionforge.tables.TableVisionPlugin
 import space.kscience.visionforge.tables.table
 import kotlin.math.pow
 
 fun main() {
-    val context = Context {
-        plugin(TableVisionPlugin)
-    }
     val x by ColumnHeader.value(ValueType.NUMBER)
     val y by ColumnHeader.value(ValueType.NUMBER)
 
-    context.makeVisionFile(resourceLocation = ResourceLocation.SYSTEM) {
+    makeVisionFile(resourceLocation = ResourceLocation.SYSTEM) {
         vision {
             table(x, y) {
                 repeat(100) {
diff --git a/demo/sat-demo/src/main/kotlin/ru/mipt/npm/sat/satServer.kt b/demo/sat-demo/src/main/kotlin/ru/mipt/npm/sat/satServer.kt
index 93f2ec7c..fbacc5b1 100644
--- a/demo/sat-demo/src/main/kotlin/ru/mipt/npm/sat/satServer.kt
+++ b/demo/sat-demo/src/main/kotlin/ru/mipt/npm/sat/satServer.kt
@@ -1,19 +1,22 @@
 package ru.mipt.npm.sat
 
 
-import kotlinx.coroutines.GlobalScope
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.isActive
-import kotlinx.coroutines.launch
+import kotlinx.coroutines.*
 import kotlinx.html.div
 import kotlinx.html.h1
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.names.Name
+import space.kscience.visionforge.html.Page
+import space.kscience.visionforge.html.plus
+import space.kscience.visionforge.server.close
+import space.kscience.visionforge.server.openInBrowser
+import space.kscience.visionforge.server.serve
 import space.kscience.visionforge.solid.*
-import space.kscience.visionforge.three.server.*
+import space.kscience.visionforge.three.threeJsHeader
 import space.kscience.visionforge.visionManager
 import kotlin.random.Random
 
+
 fun main() {
     val satContext = Context("sat") {
         plugin(Solids)
@@ -23,20 +26,17 @@ fun main() {
     val sat = visionOfSatellite(ySegments = 3)
 
     val server = satContext.visionManager.serve {
-        //use client library
-        useThreeJs()
-        //use css
-        useCss("css/styles.css")
-        page {
+        page(header = Page.threeJsHeader + Page.styleSheetHeader("css/styles.css")) {
             div("flex-column") {
                 h1 { +"Satellite detector demo" }
-                vision(sat)
+                vision { sat }
             }
         }
     }
 
     server.openInBrowser()
 
+    @OptIn(DelicateCoroutinesApi::class)
     GlobalScope.launch {
         while (isActive) {
             val randomLayer = Random.nextInt(1, 11)
diff --git a/demo/solid-showcase/src/jsMain/kotlin/space/kscience/visionforge/solid/demo/ThreeDemoApp.kt b/demo/solid-showcase/src/jsMain/kotlin/space/kscience/visionforge/solid/demo/ThreeDemoApp.kt
index db6ebbff..eb27f4d6 100644
--- a/demo/solid-showcase/src/jsMain/kotlin/space/kscience/visionforge/solid/demo/ThreeDemoApp.kt
+++ b/demo/solid-showcase/src/jsMain/kotlin/space/kscience/visionforge/solid/demo/ThreeDemoApp.kt
@@ -1,7 +1,6 @@
 package space.kscience.visionforge.solid.demo
 
 import kotlinx.browser.document
-import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
@@ -30,7 +29,8 @@ private class ThreeDemoApp : Application {
                         }
                     }
                 }
-                GlobalScope.launch {
+
+                launch {
                     while (isActive) {
                         delay(500)
                         boxes.forEach { box ->
diff --git a/jupyter/src/jvmMain/kotlin/JupyterPluginBase.kt b/jupyter/src/jvmMain/kotlin/JupyterPluginBase.kt
index 4eb4c9f7..2fbe51c8 100644
--- a/jupyter/src/jvmMain/kotlin/JupyterPluginBase.kt
+++ b/jupyter/src/jvmMain/kotlin/JupyterPluginBase.kt
@@ -44,7 +44,7 @@ public abstract class JupyterPluginBase(final override val context: Context) : J
 
         render<Vision> { vision ->
             handler.produceHtml {
-                vision(vision)
+                vision { vision }
             }
 
         }
@@ -62,7 +62,7 @@ public abstract class JupyterPluginBase(final override val context: Context) : J
                     }
                 }
                 fragment(fragment.formBody)
-                vision(fragment.vision)
+                vision { fragment.vision }
             }
         }
 
diff --git a/jupyter/src/jvmMain/kotlin/VisionForgeForNotebook.kt b/jupyter/src/jvmMain/kotlin/VisionForgeForNotebook.kt
index 8b17bc82..a91733ce 100644
--- a/jupyter/src/jvmMain/kotlin/VisionForgeForNotebook.kt
+++ b/jupyter/src/jvmMain/kotlin/VisionForgeForNotebook.kt
@@ -18,8 +18,8 @@ import space.kscience.dataforge.meta.string
 import space.kscience.visionforge.html.HtmlFormFragment
 import space.kscience.visionforge.html.HtmlVisionFragment
 import space.kscience.visionforge.html.visionFragment
-import space.kscience.visionforge.three.server.VisionServer
-import space.kscience.visionforge.three.server.serve
+import space.kscience.visionforge.server.VisionServer
+import space.kscience.visionforge.server.serve
 import space.kscience.visionforge.visionManager
 
 /**
@@ -75,7 +75,7 @@ public class VisionForgeForNotebook(override val context: Context) : ContextAwar
         fragment: HtmlVisionFragment,
     ): String = server?.serveVisionsFromFragment("content[${counter++}]", fragment)
         ?: createHTML().apply {
-            visionFragment(context.visionManager, fragment = fragment)
+            visionFragment(context, fragment = fragment)
         }.finalize()
 
     public fun produceHtml(isolated: Boolean? = null, fragment: HtmlVisionFragment): MimeTypedResult =
diff --git a/jupyter/visionforge-jupyter-gdml/src/jvmMain/kotlin/GdmlForJupyter.kt b/jupyter/visionforge-jupyter-gdml/src/jvmMain/kotlin/GdmlForJupyter.kt
index 9dc95d6d..0a112ba2 100644
--- a/jupyter/visionforge-jupyter-gdml/src/jvmMain/kotlin/GdmlForJupyter.kt
+++ b/jupyter/visionforge-jupyter-gdml/src/jvmMain/kotlin/GdmlForJupyter.kt
@@ -29,7 +29,9 @@ internal class GdmlForJupyter : JupyterPluginBase(
         )
 
         render<Gdml> { gdmlModel ->
-            handler.produceHtml { vision(gdmlModel.toVision()) }
+            handler.produceHtml {
+                vision { gdmlModel.toVision() }
+            }
         }
     }
 }
diff --git a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/HtmlFragment.kt b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/HtmlFragment.kt
index 343a29ce..b733e6a4 100644
--- a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/HtmlFragment.kt
+++ b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/HtmlFragment.kt
@@ -6,7 +6,7 @@ import kotlinx.html.stream.createHTML
 
 public typealias HtmlFragment = TagConsumer<*>.() -> Unit
 
-public fun HtmlFragment.render(): String = createHTML().apply(this).finalize()
+public fun HtmlFragment.renderToString(): String = createHTML().apply(this).finalize()
 
 public fun TagConsumer<*>.fragment(fragment: HtmlFragment) {
     fragment()
@@ -14,4 +14,9 @@ public fun TagConsumer<*>.fragment(fragment: HtmlFragment) {
 
 public fun FlowContent.fragment(fragment: HtmlFragment) {
     fragment(consumer)
+}
+
+public operator fun HtmlFragment.plus(other: HtmlFragment): HtmlFragment = {
+    this@plus()
+    other()
 }
\ No newline at end of file
diff --git a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/HtmlVisionRenderer.kt b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/HtmlVisionRenderer.kt
index 6ec98684..f5abdf42 100644
--- a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/HtmlVisionRenderer.kt
+++ b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/HtmlVisionRenderer.kt
@@ -1,6 +1,8 @@
 package space.kscience.visionforge.html
 
 import kotlinx.html.*
+import space.kscience.dataforge.context.Context
+import space.kscience.dataforge.context.Global
 import space.kscience.dataforge.meta.Meta
 import space.kscience.dataforge.misc.DFExperimental
 import space.kscience.dataforge.names.Name
@@ -28,7 +30,7 @@ internal const val RENDER_FUNCTION_NAME = "renderAllVisionsById"
  * @param renderScript if true add rendering script after the fragment
  */
 public fun TagConsumer<*>.visionFragment(
-    manager: VisionManager,
+    context: Context = Global,
     embedData: Boolean = true,
     fetchDataUrl: String? = null,
     fetchUpdatesUrl: String? = null,
@@ -37,8 +39,8 @@ public fun TagConsumer<*>.visionFragment(
     fragment: HtmlVisionFragment,
 ): Map<Name, Vision> {
     val visionMap = HashMap<Name, Vision>()
-    val consumer = object : VisionTagConsumer<Any?>(this@visionFragment, manager, idPrefix) {
-        override fun DIV.renderVision(name: Name, vision: Vision, outputMeta: Meta) {
+    val consumer = object : VisionTagConsumer<Any?>(this@visionFragment, context, idPrefix) {
+        override fun DIV.renderVision(manager: VisionManager, name: Name, vision: Vision, outputMeta: Meta) {
             visionMap[name] = vision
             // Toggle update mode
 
@@ -78,19 +80,19 @@ public fun TagConsumer<*>.visionFragment(
 }
 
 public fun FlowContent.visionFragment(
-    manager: VisionManager,
+    context: Context = Global,
     embedData: Boolean = true,
     fetchDataUrl: String? = null,
     fetchUpdatesUrl: String? = null,
     idPrefix: String? = null,
-    renderSctipt: Boolean = true,
+    renderScript: Boolean = true,
     fragment: HtmlVisionFragment,
 ): Map<Name, Vision> = consumer.visionFragment(
-    manager,
+    context,
     embedData,
     fetchDataUrl,
     fetchUpdatesUrl,
     idPrefix,
-    renderSctipt,
+    renderScript,
     fragment
 )
\ No newline at end of file
diff --git a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/Page.kt b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/Page.kt
index d575208e..bdd5e417 100644
--- a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/Page.kt
+++ b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/Page.kt
@@ -1,37 +1,52 @@
 package space.kscience.visionforge.html
 
 import kotlinx.html.*
-import space.kscience.dataforge.misc.DFExperimental
-import space.kscience.visionforge.VisionManager
-
-//data class HeaderContainer
+import space.kscience.dataforge.context.Context
 
 public data class Page(
-    public val visionManager: VisionManager,
-    public val title: String,
-    public val headers: Map<String, HtmlFragment>,
+    public val context: Context,
+    public val headers: Map<String, HtmlFragment> = emptyMap(),
     public val content: HtmlVisionFragment,
 ) {
     public fun <R> render(root: TagConsumer<R>): R = root.apply {
         head {
             meta {
                 charset = "utf-8"
-                headers.values.forEach {
-                    fragment(it)
-                }
             }
-            title(this@Page.title)
+            headers.values.forEach {
+                fragment(it)
+            }
         }
         body {
-            visionFragment(visionManager, fragment = content)
+            visionFragment(context, fragment = content)
         }
     }.finalize()
-}
 
+    public companion object{
+        /**
+         * Use a script with given [src] as a global header for all pages.
+         */
+        public fun scriptHeader(src: String, block: SCRIPT.() -> Unit = {}): HtmlFragment = {
+            script {
+                type = "text/javascript"
+                this.src = src
+                block()
+            }
+        }
 
-@DFExperimental
-public fun VisionManager.page(
-    title: String = "VisionForge page",
-    vararg headers: Pair<String, HtmlFragment>,
-    content: HtmlVisionFragment,
-): Page = Page(this, title, mapOf(*headers), content)
\ No newline at end of file
+        /**
+         * Use css with given stylesheet link as a global header for all pages.
+         */
+        public fun styleSheetHeader(href: String, block: LINK.() -> Unit = {}): HtmlFragment = {
+            link {
+                rel = "stylesheet"
+                this.href = href
+                block()
+            }
+        }
+
+        public fun title(title:String): HtmlFragment = {
+            title(title)
+        }
+    }
+}
\ No newline at end of file
diff --git a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/VisionTagConsumer.kt b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/VisionTagConsumer.kt
index 7a17f0f5..afdd686f 100644
--- a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/VisionTagConsumer.kt
+++ b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/html/VisionTagConsumer.kt
@@ -1,6 +1,8 @@
 package space.kscience.visionforge.html
 
 import kotlinx.html.*
+import space.kscience.dataforge.context.Context
+import space.kscience.dataforge.context.PluginFactory
 import space.kscience.dataforge.meta.Meta
 import space.kscience.dataforge.meta.MetaSerializer
 import space.kscience.dataforge.meta.MutableMeta
@@ -9,9 +11,12 @@ import space.kscience.dataforge.misc.DFExperimental
 import space.kscience.dataforge.names.Name
 import space.kscience.dataforge.names.NameToken
 import space.kscience.dataforge.names.asName
+import space.kscience.dataforge.names.parseAsName
 import space.kscience.visionforge.Vision
 import space.kscience.visionforge.VisionManager
+import space.kscience.visionforge.html.VisionTagConsumer.Companion.DEFAULT_VISION_NAME
 import space.kscience.visionforge.setAsRoot
+import space.kscience.visionforge.visionManager
 import kotlin.collections.set
 
 @DslMarker
@@ -22,10 +27,25 @@ public annotation class VisionDSL
  */
 @DFExperimental
 @VisionDSL
-public class VisionOutput @PublishedApi internal constructor(public val manager: VisionManager) {
+public class VisionOutput @PublishedApi internal constructor(public val context: Context, public val name: Name?) {
     public var meta: Meta = Meta.EMPTY
 
-    //TODO expose a way to define required plugins.
+    private val requirements: MutableSet<PluginFactory<*>> = HashSet()
+
+    public fun requirePlugin(factory: PluginFactory<*>) {
+        requirements.add(factory)
+    }
+
+    internal fun buildVisionManager(): VisionManager =
+        if (requirements.all { req -> context.plugins.find(true) { it.tag == req.tag } != null }) {
+            context.visionManager
+        } else {
+            val newContext = context.buildContext(NameToken(DEFAULT_VISION_NAME, name.toString()).asName()) {
+                plugin(VisionManager)
+                requirements.forEach { plugin(it) }
+            }
+            newContext.visionManager
+        }
 
     public inline fun meta(block: MutableMeta.() -> Unit) {
         this.meta = Meta(block)
@@ -36,9 +56,10 @@ public class VisionOutput @PublishedApi internal constructor(public val manager:
  * Modified  [TagConsumer] that allows rendering output fragments and visions in them
  */
 @VisionDSL
+@OptIn(DFExperimental::class)
 public abstract class VisionTagConsumer<R>(
     private val root: TagConsumer<R>,
-    public val manager: VisionManager,
+    public val context: Context,
     private val idPrefix: String? = null,
 ) : TagConsumer<R> by root {
 
@@ -46,23 +67,26 @@ public abstract class VisionTagConsumer<R>(
 
     /**
      * Render a vision inside the output fragment
+     * @param manager a [VisionManager] to be used in renderer
      * @param name name of the output container
      * @param vision an object to be rendered
      * @param outputMeta optional configuration for the output container
      */
-    protected abstract fun DIV.renderVision(name: Name, vision: Vision, outputMeta: Meta)
+    protected abstract fun DIV.renderVision(manager: VisionManager, name: Name, vision: Vision, outputMeta: Meta)
 
     /**
      * Create a placeholder for a vision output with optional [Vision] in it
      * TODO with multi-receivers could be replaced by [VisionTagConsumer, TagConsumer] extension
      */
-    public fun <T> TagConsumer<T>.vision(
+    private fun <T> TagConsumer<T>.vision(
         name: Name,
-        vision: Vision? = null,
+        manager: VisionManager,
+        vision: Vision,
         outputMeta: Meta = Meta.EMPTY,
     ): T = div {
         id = resolveId(name)
         classes = setOf(OUTPUT_CLASS)
+        vision.setAsRoot(manager)
         attributes[OUTPUT_NAME_ATTRIBUTE] = name.toString()
         if (!outputMeta.isEmpty()) {
             //Hard-code output configuration
@@ -73,9 +97,7 @@ public abstract class VisionTagConsumer<R>(
                 }
             }
         }
-        vision?.let {
-            renderVision(name, it, outputMeta)
-        }
+        renderVision(manager, name, vision, outputMeta)
     }
 
     /**
@@ -83,14 +105,14 @@ public abstract class VisionTagConsumer<R>(
      * TODO replace by multi-receiver
      */
     @OptIn(DFExperimental::class)
-    public inline fun <T> TagConsumer<T>.vision(
-        name: Name,
+    public fun <T> TagConsumer<T>.vision(
+        name: Name? = null,
         @OptIn(DFExperimental::class) visionProvider: VisionOutput.() -> Vision,
     ): T {
-        val output = VisionOutput(manager)
+        val output = VisionOutput(context, name)
         val vision = output.visionProvider()
-        vision.setAsRoot(manager)
-        return vision(name, vision, output.meta)
+        val actualName = name ?: NameToken(DEFAULT_VISION_NAME, vision.hashCode().toUInt().toString()).asName()
+        return vision(actualName, output.buildVisionManager(), vision, output.meta)
     }
 
     /**
@@ -98,14 +120,10 @@ public abstract class VisionTagConsumer<R>(
      */
     @OptIn(DFExperimental::class)
     @VisionDSL
-    public inline fun <T> TagConsumer<T>.vision(
-        name: String = DEFAULT_VISION_NAME,
-        visionProvider: VisionOutput.() -> Vision,
-    ): T = vision(Name.parse(name), visionProvider)
-
     public fun <T> TagConsumer<T>.vision(
-        vision: Vision,
-    ): T = vision(NameToken("vision", vision.hashCode().toString()).asName(), vision)
+        name: String?,
+        @OptIn(DFExperimental::class) visionProvider: VisionOutput.() -> Vision,
+    ): T = vision(name?.parseAsName(), visionProvider)
 
     /**
      * Process the resulting object produced by [TagConsumer]
@@ -114,9 +132,7 @@ public abstract class VisionTagConsumer<R>(
         //do nothing by default
     }
 
-    override fun finalize(): R {
-        return root.finalize().also { processResult(it) }
-    }
+    override fun finalize(): R = root.finalize().also { processResult(it) }
 
     public companion object {
         public const val OUTPUT_CLASS: String = "visionforge-output"
diff --git a/visionforge-core/src/commonTest/kotlin/space/kscience/visionforge/html/HtmlTagTest.kt b/visionforge-core/src/commonTest/kotlin/space/kscience/visionforge/html/HtmlTagTest.kt
index d6cd8dd1..42a9ba1f 100644
--- a/visionforge-core/src/commonTest/kotlin/space/kscience/visionforge/html/HtmlTagTest.kt
+++ b/visionforge-core/src/commonTest/kotlin/space/kscience/visionforge/html/HtmlTagTest.kt
@@ -3,7 +3,6 @@ package space.kscience.visionforge.html
 import kotlinx.html.*
 import kotlinx.html.stream.createHTML
 import space.kscience.dataforge.context.Global
-import space.kscience.dataforge.context.fetch
 import space.kscience.dataforge.meta.Meta
 import space.kscience.dataforge.meta.configure
 import space.kscience.dataforge.meta.set
@@ -23,8 +22,8 @@ fun FlowContent.renderVisionFragment(
     fragment: HtmlVisionFragment,
 ): Map<Name, Vision> {
     val visionMap = HashMap<Name, Vision>()
-    val consumer = object : VisionTagConsumer<Any?>(consumer, Global.fetch(VisionManager), idPrefix) {
-        override fun DIV.renderVision(name: Name, vision: Vision, outputMeta: Meta) {
+    val consumer = object : VisionTagConsumer<Any?>(consumer, Global, idPrefix) {
+        override fun DIV.renderVision(manager: VisionManager, name: Name, vision: Vision, outputMeta: Meta) {
             visionMap[name] = vision
             renderer(name, vision, outputMeta)
         }
diff --git a/visionforge-core/src/jvmMain/kotlin/space/kscience/visionforge/html/headers.kt b/visionforge-core/src/jvmMain/kotlin/space/kscience/visionforge/html/headers.kt
index 9837c60a..d8be2a39 100644
--- a/visionforge-core/src/jvmMain/kotlin/space/kscience/visionforge/html/headers.kt
+++ b/visionforge-core/src/jvmMain/kotlin/space/kscience/visionforge/html/headers.kt
@@ -4,7 +4,6 @@ import kotlinx.html.link
 import kotlinx.html.script
 import kotlinx.html.unsafe
 import org.slf4j.LoggerFactory
-import space.kscience.dataforge.misc.DFExperimental
 import space.kscience.visionforge.VisionManager
 import java.nio.file.Files
 import java.nio.file.Path
@@ -113,10 +112,9 @@ internal fun fileCssHeader(
 }
 
 /**
- * Make a script header, automatically copying file to appropriate location
+ * Make a script header from a resource file, automatically copying file to appropriate location
  */
-@DFExperimental
-public fun scriptHeader(
+public fun Page.Companion.importScriptHeader(
     scriptResource: String,
     resourceLocation: ResourceLocation,
     htmlPath: Path? = null,
diff --git a/visionforge-gdml/src/commonMain/kotlin/space/kscience/visionforge/gdml/gdmlLoader.kt b/visionforge-gdml/src/commonMain/kotlin/space/kscience/visionforge/gdml/gdmlLoader.kt
index d1b89c9e..f80a5511 100644
--- a/visionforge-gdml/src/commonMain/kotlin/space/kscience/visionforge/gdml/gdmlLoader.kt
+++ b/visionforge-gdml/src/commonMain/kotlin/space/kscience/visionforge/gdml/gdmlLoader.kt
@@ -390,4 +390,7 @@ public fun SolidGroup.gdml(gdml: Gdml, key: String? = null, transformer: GdmlLoa
 
 @VisionBuilder
 @DFExperimental
-public inline fun VisionOutput.gdml(block: Gdml.() -> Unit): SolidGroup = Gdml(block).toVision()
\ No newline at end of file
+public inline fun VisionOutput.gdml(block: Gdml.() -> Unit): SolidGroup {
+    requirePlugin(Solids)
+    return Gdml(block).toVision()
+}
\ No newline at end of file
diff --git a/visionforge-plotly/src/commonMain/kotlin/space/kscience/visionforge/plotly/VisionOfPlotly.kt b/visionforge-plotly/src/commonMain/kotlin/space/kscience/visionforge/plotly/VisionOfPlotly.kt
index eaa94573..ebb4773c 100644
--- a/visionforge-plotly/src/commonMain/kotlin/space/kscience/visionforge/plotly/VisionOfPlotly.kt
+++ b/visionforge-plotly/src/commonMain/kotlin/space/kscience/visionforge/plotly/VisionOfPlotly.kt
@@ -24,4 +24,7 @@ public fun Plot.asVision(): VisionOfPlotly = VisionOfPlotly(this)
 @DFExperimental
 public inline fun VisionOutput.plotly(
     block: Plot.() -> Unit,
-): VisionOfPlotly = VisionOfPlotly(Plotly.plot(block))
\ No newline at end of file
+): VisionOfPlotly {
+    requirePlugin(PlotlyPlugin)
+    return VisionOfPlotly(Plotly.plot(block))
+}
\ No newline at end of file
diff --git a/visionforge-server/src/main/kotlin/space/kscience/visionforge/three/server/VisionServer.kt b/visionforge-server/src/main/kotlin/space/kscience/visionforge/server/VisionServer.kt
similarity index 82%
rename from visionforge-server/src/main/kotlin/space/kscience/visionforge/three/server/VisionServer.kt
rename to visionforge-server/src/main/kotlin/space/kscience/visionforge/server/VisionServer.kt
index b5b78ba0..2abb6efb 100644
--- a/visionforge-server/src/main/kotlin/space/kscience/visionforge/three/server/VisionServer.kt
+++ b/visionforge-server/src/main/kotlin/space/kscience/visionforge/server/VisionServer.kt
@@ -1,4 +1,4 @@
-package space.kscience.visionforge.three.server
+package space.kscience.visionforge.server
 
 import io.ktor.application.*
 import io.ktor.features.CORS
@@ -14,9 +14,9 @@ import io.ktor.routing.*
 import io.ktor.server.cio.CIO
 import io.ktor.server.engine.ApplicationEngine
 import io.ktor.server.engine.embeddedServer
+import io.ktor.util.getOrFail
 import io.ktor.websocket.WebSockets
 import io.ktor.websocket.webSocket
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.channels.consumeEach
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
@@ -32,9 +32,8 @@ import space.kscience.visionforge.VisionManager
 import space.kscience.visionforge.flowChanges
 import space.kscience.visionforge.html.HtmlFragment
 import space.kscience.visionforge.html.HtmlVisionFragment
-import space.kscience.visionforge.html.fragment
 import space.kscience.visionforge.html.visionFragment
-import space.kscience.visionforge.three.server.VisionServer.Companion.DEFAULT_PAGE
+import space.kscience.visionforge.server.VisionServer.Companion.DEFAULT_PAGE
 import java.awt.Desktop
 import java.net.URI
 import kotlin.time.Duration.Companion.milliseconds
@@ -48,7 +47,10 @@ public class VisionServer internal constructor(
     private val visionManager: VisionManager,
     private val serverUrl: Url,
     private val root: Route,
-) : Configurable, CoroutineScope by root.application {
+) : Configurable {
+
+    public val application: Application get() = root.application
+
     override val meta: ObservableMutableMeta = MutableMeta()
 
     /**
@@ -76,22 +78,10 @@ public class VisionServer internal constructor(
      */
     public var dataUpdate: Boolean by meta.boolean(true, Name.parse("data.update"))
 
-    /**
-     * a list of headers that should be applied to all pages
-     */
-    private val globalHeaders: ArrayList<HtmlFragment> = ArrayList()
-
-    /**
-     * Add a header to all pages produced by this server
-     */
-    public fun header(block: TagConsumer<*>.() -> Unit) {
-        globalHeaders.add(block)
-    }
-
     private fun HTML.visionPage(
         title: String,
         pagePath: String,
-        headers: List<HtmlFragment>,
+        header: HtmlFragment,
         visionFragment: HtmlVisionFragment,
     ): Map<Name, Vision> {
         var visionMap: Map<Name, Vision>? = null
@@ -99,16 +89,14 @@ public class VisionServer internal constructor(
         head {
             meta {
                 charset = "utf-8"
-                (globalHeaders + headers).forEach {
-                    fragment(it)
-                }
+                header()
             }
             title(title)
         }
         body {
             //Load the fragment and remember all loaded visions
             visionMap = visionFragment(
-                manager = visionManager,
+                context = visionManager.context,
                 embedData = true,
                 fetchUpdatesUrl = "$serverUrl$pagePath/ws",
                 fragment = visionFragment
@@ -127,9 +115,7 @@ public class VisionServer internal constructor(
 
         //Update websocket
         webSocket("ws") {
-            val name: String = call.request.queryParameters["name"]
-                ?: error("Vision name is not defined in parameters")
-
+            val name: String = call.request.queryParameters.getOrFail("name")
             application.log.debug("Opened server socket for $name")
             val vision: Vision = visions[Name.parse(name)] ?: error("Plot with id='$name' not registered")
 
@@ -158,8 +144,7 @@ public class VisionServer internal constructor(
         }
         //Plots in their json representation
         get("data") {
-            val name: String = call.request.queryParameters["name"]
-                ?: error("Vision name is not defined in parameters")
+            val name: String = call.request.queryParameters.getOrFail("name")
 
             val vision: Vision? = visions[Name.parse(name)]
             if (vision == null) {
@@ -178,7 +163,7 @@ public class VisionServer internal constructor(
     /**
      * Serve visions in a given [route] without providing a page template
      */
-    public fun serveVisions(route: String, visions: Map<Name, Vision>): Unit {
+    public fun serveVisions(route: String, visions: Map<Name, Vision>) {
         root.route(route) {
             serveVisions(this, visions)
         }
@@ -192,7 +177,7 @@ public class VisionServer internal constructor(
         fragment: HtmlVisionFragment,
     ): String = createHTML().apply {
         val visions = visionFragment(
-            visionManager,
+            visionManager.context,
             embedData = true,
             fetchUpdatesUrl = "$serverUrl$route/ws",
             renderScript = true,
@@ -203,12 +188,11 @@ public class VisionServer internal constructor(
 
     /**
      * Serve a page, potentially containing any number of visions at a given [pagePath] with given [headers].
-     *
      */
     public fun page(
         pagePath: String = DEFAULT_PAGE,
         title: String = "VisionForge server page '$pagePath'",
-        headers: List<HtmlFragment> = emptyList(),
+        header: HtmlFragment = {},
         visionFragment: HtmlVisionFragment,
     ) {
         val visions = HashMap<Name, Vision>()
@@ -216,7 +200,7 @@ public class VisionServer internal constructor(
         val cachedHtml: String? = if (cacheFragments) {
             //Create and cache page html and map of visions
             createHTML(true).html {
-                visions.putAll(visionPage(title, pagePath, headers, visionFragment))
+                visions.putAll(visionPage(title, pagePath, header, visionFragment))
             }
         } else {
             null
@@ -230,7 +214,7 @@ public class VisionServer internal constructor(
                     //re-create html and vision list on each call
                     call.respondHtml {
                         visions.clear()
-                        visions.putAll(visionPage(title, pagePath, headers, visionFragment))
+                        visions.putAll(visionPage(title, pagePath, header, visionFragment))
                     }
                 } else {
                     //Use cached html
@@ -249,32 +233,6 @@ public class VisionServer internal constructor(
     }
 }
 
-/**
- * Use a script with given [src] as a global header for all pages.
- */
-public inline fun VisionServer.useScript(src: String, crossinline block: SCRIPT.() -> Unit = {}) {
-    header {
-        script {
-            type = "text/javascript"
-            this.src = src
-            block()
-        }
-    }
-}
-
-/**
- * Use css with given stylesheet link as a global header for all pages.
- */
-public inline fun VisionServer.useCss(href: String, crossinline block: LINK.() -> Unit = {}) {
-    header {
-        link {
-            rel = "stylesheet"
-            this.href = href
-            block()
-        }
-    }
-}
-
 /**
  * Attach VisionForge server application to given server
  */
diff --git a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Solids.kt b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Solids.kt
index c5b9b04b..12a22ab6 100644
--- a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Solids.kt
+++ b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Solids.kt
@@ -69,5 +69,7 @@ public class Solids(meta: Meta) : VisionPlugin(meta) {
 
 @VisionBuilder
 @DFExperimental
-public inline fun VisionOutput.solid(block: SolidGroup.() -> Unit): SolidGroup =
-    SolidGroup().apply(block)
+public inline fun VisionOutput.solid(block: SolidGroup.() -> Unit): SolidGroup {
+    requirePlugin(Solids)
+    return SolidGroup().apply(block)
+}
diff --git a/visionforge-tables/src/commonMain/kotlin/space/kscience/visionforge/tables/VisionOfTable.kt b/visionforge-tables/src/commonMain/kotlin/space/kscience/visionforge/tables/VisionOfTable.kt
index a3147236..95888f67 100644
--- a/visionforge-tables/src/commonMain/kotlin/space/kscience/visionforge/tables/VisionOfTable.kt
+++ b/visionforge-tables/src/commonMain/kotlin/space/kscience/visionforge/tables/VisionOfTable.kt
@@ -87,7 +87,10 @@ public fun Table<Number>.toVision(): VisionOfTable = toVision { (it ?: Double.Na
 public inline fun VisionOutput.table(
     vararg headers: ColumnHeader<Value>,
     block: MutableRowTable<Value>.() -> Unit,
-): VisionOfTable = RowTable(*headers, block = block).toVision()
+): VisionOfTable {
+    requirePlugin(TableVisionPlugin)
+    return RowTable(*headers, block = block).toVision()
+}
 
 @DFExperimental
 public inline fun VisionOutput.columnTable(
@@ -99,6 +102,7 @@ public inline fun VisionOutput.columnTable(
 public fun VisionOutput.columnTable(
     vararg dataAndHeaders: Pair<ColumnHeader<Value>, List<Any?>>,
 ): VisionOfTable {
+    requirePlugin(TableVisionPlugin)
     val columns = dataAndHeaders.map { (header, data) ->
         ListColumn(header, data.map { Value.of(it) })
     }
diff --git a/visionforge-threejs/visionforge-threejs-server/src/jsMain/kotlin/space/kscience/visionforge/three/server/jsMain.kt b/visionforge-threejs/visionforge-threejs-server/src/jsMain/kotlin/space/kscience/visionforge/three/jsMain.kt
similarity index 83%
rename from visionforge-threejs/visionforge-threejs-server/src/jsMain/kotlin/space/kscience/visionforge/three/server/jsMain.kt
rename to visionforge-threejs/visionforge-threejs-server/src/jsMain/kotlin/space/kscience/visionforge/three/jsMain.kt
index d6d191f0..ed2908f5 100644
--- a/visionforge-threejs/visionforge-threejs-server/src/jsMain/kotlin/space/kscience/visionforge/three/server/jsMain.kt
+++ b/visionforge-threejs/visionforge-threejs-server/src/jsMain/kotlin/space/kscience/visionforge/three/jsMain.kt
@@ -1,4 +1,4 @@
-package space.kscience.visionforge.three.server
+package space.kscience.visionforge.three
 
 import space.kscience.dataforge.misc.DFExperimental
 import space.kscience.visionforge.runVisionClient
diff --git a/visionforge-threejs/visionforge-threejs-server/src/jvmMain/kotlin/space/kscience/visionforge/three/server/serverExtensions.kt b/visionforge-threejs/visionforge-threejs-server/src/jvmMain/kotlin/space/kscience/visionforge/three/server/serverExtensions.kt
deleted file mode 100644
index d6656c46..00000000
--- a/visionforge-threejs/visionforge-threejs-server/src/jvmMain/kotlin/space/kscience/visionforge/three/server/serverExtensions.kt
+++ /dev/null
@@ -1,30 +0,0 @@
-package space.kscience.visionforge.three.server
-
-import space.kscience.dataforge.misc.DFExperimental
-import space.kscience.visionforge.VisionManager
-import space.kscience.visionforge.html.HtmlVisionFragment
-import space.kscience.visionforge.html.ResourceLocation
-import space.kscience.visionforge.html.page
-import space.kscience.visionforge.html.scriptHeader
-import space.kscience.visionforge.makeFile
-import java.awt.Desktop
-import java.nio.file.Path
-
-
-public fun VisionServer.useThreeJs(): Unit {
-    useScript("js/visionforge-three.js")
-}
-
-@DFExperimental
-public fun VisionManager.makeThreeJsFile(
-    content: HtmlVisionFragment,
-    path: Path? = null,
-    title: String = "VisionForge page",
-    resourceLocation: ResourceLocation = ResourceLocation.SYSTEM,
-    show: Boolean = true,
-): Unit {
-    val actualPath = page(title, content = content).makeFile(path) { actualPath ->
-        mapOf("threeJs" to scriptHeader("js/visionforge-three.js", resourceLocation, actualPath))
-    }
-    if (show) Desktop.getDesktop().browse(actualPath.toFile().toURI())
-}
diff --git a/visionforge-threejs/visionforge-threejs-server/src/jvmMain/kotlin/space/kscience/visionforge/three/serverExtensions.kt b/visionforge-threejs/visionforge-threejs-server/src/jvmMain/kotlin/space/kscience/visionforge/three/serverExtensions.kt
new file mode 100644
index 00000000..6c70e0ed
--- /dev/null
+++ b/visionforge-threejs/visionforge-threejs-server/src/jvmMain/kotlin/space/kscience/visionforge/three/serverExtensions.kt
@@ -0,0 +1,29 @@
+package space.kscience.visionforge.three
+
+import space.kscience.dataforge.context.Global
+import space.kscience.dataforge.misc.DFExperimental
+import space.kscience.visionforge.html.*
+import space.kscience.visionforge.makeFile
+import java.awt.Desktop
+import java.nio.file.Path
+
+
+public val Page.Companion.threeJsHeader: HtmlFragment get() = scriptHeader("js/visionforge-three.js")
+
+
+@DFExperimental
+public fun makeThreeJsFile(
+    path: Path? = null,
+    title: String = "VisionForge page",
+    resourceLocation: ResourceLocation = ResourceLocation.SYSTEM,
+    show: Boolean = true,
+    content: HtmlVisionFragment,
+): Unit {
+    val actualPath = Page(Global, content = content).makeFile(path) { actualPath ->
+        mapOf(
+            "title" to Page.title(title),
+            "threeJs" to Page.importScriptHeader("js/visionforge-three.js", resourceLocation, actualPath)
+        )
+    }
+    if (show) Desktop.getDesktop().browse(actualPath.toFile().toURI())
+}