diff --git a/assets/js/watchers.js b/assets/js/watchers.js
index a9b6214..9f973cc 100644
--- a/assets/js/watchers.js
+++ b/assets/js/watchers.js
@@ -67,7 +67,7 @@ const watcherMixin = {
     },
 
     push: function (field) {
-      Genie.WebChannels.sendMessageTo(this.channel_, 'watchers', {'payload': {
+      this.WebChannel.sendMessageTo(this.channel_, 'watchers', {'payload': {
           'field': field,
           'newval': this[field],
           'oldval': null,
@@ -110,7 +110,7 @@ const eventMixin = {
       if (event_data === undefined) { event_data = {} }
       console.debug('event: ' + JSON.stringify(event_data) + ":" + event_handler)
       if (mode=='addclient') { event_data._addclient = true}
-      Genie.WebChannels.sendMessageTo(this.channel_, 'events', {
+      this.WebChannel.sendMessageTo(this.channel_, 'events', {
           'event': {
               'name': event_handler,
               'event': event_data
diff --git a/src/Elements.jl b/src/Elements.jl
index 200ffee..9c478aa 100644
--- a/src/Elements.jl
+++ b/src/Elements.jl
@@ -177,7 +177,7 @@ function vue_integration(::Type{M};
     });
     $app = window.GENIEMODEL = app.mount(rootSelector);
     window.channelIndex = window.channelIndex || 0;
-    $app.WebChannel = Genie.AllWebChannels[channelIndex];
+    $app.WebChannel = Genie.WebChannels;
     $app.WebChannel.parent = $app;
     $app.channel_ = $app.WebChannel.channel;
 
diff --git a/src/Layout.jl b/src/Layout.jl
index 03ac188..4f02fc7 100644
--- a/src/Layout.jl
+++ b/src/Layout.jl
@@ -16,6 +16,25 @@ const THEMES = Ref(Function[])
 
 const FLEXGRID_KWARGS = [:col, :xs, :sm, :md, :lg, :xl, :gutter, :xgutter, :ygutter]
 
+"""
+    make_unique!(src::Vector, condition::Union{Nothing, Function} = nothing)
+
+Utility function for removing duplicates from a vector that fulfill a given condition.
+"""
+function make_unique!(src::Vector, condition::Union{Nothing, Function} = nothing)
+  seen = Int[]
+  dups = Int[]
+  for (i, name) in enumerate(src)
+      if name ∈ view(src, seen) && (condition === nothing || condition(name))
+          push!(dups, i)
+      else
+          push!(seen, i)
+      end
+  end
+
+  deleteat!(src, dups)
+end
+
 """
     function layout(output::Union{String,Vector}; partial::Bool = false, title::String = "", class::String = "", style::String = "",
                       head_content::String = "", channel::String = Genie.config.webchannels_default_route) :: String
@@ -53,7 +72,9 @@ function layout(output::Union{S,Vector}, m::Union{M, Vector{M}};
     output
     theme(; core_theme)
     Stipple.deps.(m)...
-  ] |> union
+  ]
+
+  make_unique!(content, contains(r"src=|href="i))
 
   partial && return content
 
diff --git a/src/Stipple.jl b/src/Stipple.jl
index e56815c..2f22cab 100644
--- a/src/Stipple.jl
+++ b/src/Stipple.jl
@@ -854,7 +854,6 @@ end
 
 function initscript(vue_app_name) :: String
   Genie.Renderer.Html.script(["""
-  // script id: $(randstring(64))
   document.addEventListener("DOMContentLoaded", () => window.create$vue_app_name() );
   """])
 end
diff --git a/src/stipple/jsmethods.jl b/src/stipple/jsmethods.jl
index fb4017f..7d6bc24 100644
--- a/src/stipple/jsmethods.jl
+++ b/src/stipple/jsmethods.jl
@@ -204,9 +204,9 @@ myreviver: function(key, value) { return (key.endsWith('_onebased') ? value - 1
 """  
 function js_add_reviver(revivername::String)
   """
-  Genie.WebChannels.subscriptionHandlers.push(function(event) {
+  document.addEventListener("DOMContentLoaded", () => Genie.WebChannels.subscriptionHandlers.push(function(event) {
       Genie.Revivers.addReviver($revivername);
-  });
+  }));
   """
 end
 
@@ -222,9 +222,9 @@ It needs to be added to the dependencies of an app in order to be executed, e.g.
 """
 function js_initscript(initscript::String)
   """
-  Genie.WebChannels.subscriptionHandlers.push(function(event) {
+  document.addEventListener("DOMContentLoaded", () => Genie.WebChannels.subscriptionHandlers.push(function(event) {
       $(initscript)
-  });
+  }));
   """
 end