diff --git a/build.gradle.kts b/build.gradle.kts
index c3f88591..3e30285f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -20,7 +20,7 @@ allprojects {
     }
 
     group = "space.kscience"
-    version = "0.2.0-dev-8"
+    version = "0.2.0-dev-9"
 }
 
 subprojects {
diff --git a/demo/jupyter-playground/src/main/kotlin/hep/dataforge/playground/VisionForgePlayGroundForJupyter.kt b/demo/jupyter-playground/src/main/kotlin/hep/dataforge/playground/VisionForgePlayGroundForJupyter.kt
index 58304bd2..7b277b71 100644
--- a/demo/jupyter-playground/src/main/kotlin/hep/dataforge/playground/VisionForgePlayGroundForJupyter.kt
+++ b/demo/jupyter-playground/src/main/kotlin/hep/dataforge/playground/VisionForgePlayGroundForJupyter.kt
@@ -43,7 +43,7 @@ internal class VisionForgePlayGroundForJupyter : JupyterIntegration() {
         }
         script {
             type = "text/javascript"
-            unsafe { +"window.renderVisionsAt(\"$id\");" }
+            unsafe { +"VisionForge.renderVisionsAt(\"$id\");" }
         }
     }
 
diff --git a/demo/playground/build.gradle.kts b/demo/playground/build.gradle.kts
index 3159194c..733bc7c2 100644
--- a/demo/playground/build.gradle.kts
+++ b/demo/playground/build.gradle.kts
@@ -62,6 +62,7 @@ kotlin {
         val jvmMain by getting{
             dependencies {
                 api(project(":visionforge-server"))
+                api("ch.qos.logback:logback-classic:1.2.3")
                 implementation("com.github.Ricky12Awesome:json-schema-serialization:0.6.6")
             }
         }
diff --git a/demo/playground/src/jsMain/kotlin/playgroundMain.kt b/demo/playground/src/jsMain/kotlin/playgroundMain.kt
index a49fb3b2..4ecf33f3 100644
--- a/demo/playground/src/jsMain/kotlin/playgroundMain.kt
+++ b/demo/playground/src/jsMain/kotlin/playgroundMain.kt
@@ -6,9 +6,9 @@ import space.kscience.visionforge.solid.three.useThreeJs
 
 @DFExperimental
 fun main(): Unit = VisionForge.run{
+    console.info("Starting VisionForge context")
     usePlotly()
     useThreeJs()
+    window.asDynamic()["VisionForge"] = VisionForge
     renderVisionsInWindow()
-    window.asDynamic()["renderVisionsAt"] = ::renderVisionsAt
-    window.asDynamic()["renderVisionsInWindow"] = ::renderVisionsInWindow
 }
\ No newline at end of file
diff --git a/jupyter/visionforge-gdml-jupyter/src/main/kotlin/GdmlForJupyter.kt b/jupyter/visionforge-gdml-jupyter/src/main/kotlin/GdmlForJupyter.kt
index 5c8c32d0..16b7c9f9 100644
--- a/jupyter/visionforge-gdml-jupyter/src/main/kotlin/GdmlForJupyter.kt
+++ b/jupyter/visionforge-gdml-jupyter/src/main/kotlin/GdmlForJupyter.kt
@@ -40,7 +40,7 @@ internal class GdmlForJupyter : JupyterIntegration() {
         }
         script {
             type = "text/javascript"
-            unsafe { +"window.renderVisionsAt(\"$id\");" }
+            unsafe { +"VisionForge.renderVisionsAt(\"$id\");" }
         }
     }
 
diff --git a/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/visionForgeJs.kt b/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/visionForgeJs.kt
index fbcca4ec..28e2ef66 100644
--- a/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/visionForgeJs.kt
+++ b/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/visionForgeJs.kt
@@ -2,26 +2,36 @@ package space.kscience.visionforge
 
 import kotlinx.browser.document
 import kotlinx.browser.window
+import org.w3c.dom.COMPLETE
+import org.w3c.dom.Document
+import org.w3c.dom.DocumentReadyState
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.misc.DFExperimental
 
+
+private fun whenDocumentLoaded(block: Document.() -> Unit): Unit {
+    if(document.readyState == DocumentReadyState.COMPLETE){
+        block(document)
+    } else {
+        document.addEventListener("DOMContentLoaded", { block(document) })
+    }
+}
+
 @JsExport
 @DFExperimental
 public actual object VisionForge {
     /**
      * Render all visions in this [window] using current global state of [VisionForge]
      */
-    public fun renderVisionsInWindow() {
-        window.onload = {
-            visionClient.renderAllVisions()
-        }
+    public fun renderVisionsInWindow(): Unit = whenDocumentLoaded {
+        visionClient.renderAllVisions()
     }
 
     /**
      * Render all visions in an element with a given [id]
      */
-    public fun renderVisionsAt(id: String) {
-        val element = document.getElementById(id)
+    public fun renderVisionsAt(id: String): Unit = whenDocumentLoaded {
+        val element = getElementById(id)
         if (element != null) {
             visionClient.renderAllVisionsAt(element)
         } else {
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/server/jsMain.kt
index 9ed1536e..48460a92 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/server/jsMain.kt
@@ -7,8 +7,8 @@ import space.kscience.visionforge.solid.three.useThreeJs
 
 @DFExperimental
 public fun main(): Unit = VisionForge.run {
+    console.info("Starting VisionForge context")
     useThreeJs()
+    window.asDynamic()["VisionForge"] = VisionForge
     renderVisionsInWindow()
-    window.asDynamic()["renderVisionsAt"] = ::renderVisionsAt
-    window.asDynamic()["renderVisionsInWindow"] = ::renderVisionsInWindow
 }
\ No newline at end of file