diff --git a/public/index.html b/public/index.html
index 502f2406a..17b1f9075 100644
--- a/public/index.html
+++ b/public/index.html
@@ -43,7 +43,7 @@
             crossorigin="anonymous"
         />
 
-        <script type="text/javascript">
+        <script>
             eBookConfig = {};
 
             eBookConfig.useRunestoneServices = false;
diff --git a/runestone/animation/animation.py b/runestone/animation/animation.py
index 7f2647f98..853789db6 100644
--- a/runestone/animation/animation.py
+++ b/runestone/animation/animation.py
@@ -40,7 +40,7 @@ def setup(app):
 <button onclick="%(divid)s_anim.backward()">Step Backward</button>
 <button onclick="%(divid)s_anim.end()">End</button>
 
-<script type="text/javascript">
+<script>
 %(divid)s_init = function(divid)
 {
    var a = new Animator(new %(model)s(), new %(viewer)s(), divid)
@@ -52,7 +52,7 @@ def setup(app):
 </div>
 """
 
-SCRIPTTAG = """<script type="text/javascript" src="../_static/%s"></script>\n"""
+SCRIPTTAG = """<script src="../_static/%s"></script>\n"""
 
 
 class Animation(RunestoneIdDirective):
diff --git a/runestone/animation/animationrefactor.html b/runestone/animation/animationrefactor.html
index 38515e8ae..6ee0d06e1 100644
--- a/runestone/animation/animationrefactor.html
+++ b/runestone/animation/animationrefactor.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 
 <head>
-<script type "text/javascript" src="animationrefactor.js"></script>
+<script src="animationrefactor.js"></script>
 
 <html>
 <body onload="">
@@ -17,7 +17,7 @@
 <button onclick="ancan_anim.backward()">Step Backward</button>
 <button onclick="ancan_anim.end()">End</button>
 </div>
-<script type="text/javascript">
+<script>
 init1 = function(divid)
 {
    var a = new Animator(new SortModel(), new BarViewer(), divid)
diff --git a/runestone/animation/chart.html b/runestone/animation/chart.html
index 82e5b0877..3aa541fcb 100644
--- a/runestone/animation/chart.html
+++ b/runestone/animation/chart.html
@@ -1,12 +1,12 @@
 <html>
 <head>
 	<title>charts</title>
-<!--	<script type="text/javascript" src="https://www.google.com/jsapi"></script> -->
-<!--	<script type="text/javascript" src="chart.js"></script>	 -->
+<!--	<script src="https://www.google.com/jsapi"></script> -->
+<!--	<script src="chart.js"></script>	 -->
 
-	<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script> 
-<script type="text/javascript" src="jqchart/jquery.gchart.js"></script>
-<script type="text/javascript" src="jqchart/jquery.gchart.graphviz.js"></script>
+	<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script> 
+<script src="jqchart/jquery.gchart.js"></script>
+<script src="jqchart/jquery.gchart.graphviz.js"></script>
 <style>
 #visualization { width: 800px; height: 400px; }
 </style>
@@ -14,7 +14,7 @@
 </head>
 <body>
 <div id="visualization"></div>
-<script type="text/javascript">
+<script>
 //	$("#visualization").gchart({type: 'graphviz', series: [$.gchart.series([20, 50, 30])]});
 // label: '<f0> left | <f1> middle | <f2> right'
 
diff --git a/runestone/animation/jqchart/gChartBasic.html b/runestone/animation/jqchart/gChartBasic.html
index 060b51e92..91dbe78e7 100644
--- a/runestone/animation/jqchart/gChartBasic.html
+++ b/runestone/animation/jqchart/gChartBasic.html
@@ -6,8 +6,8 @@
 <style type="text/css">
 #basicGChart { width: 450px; height: 300px }
 </style>
-<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"></script>
-<script type="text/javascript" src="jquery.gchart.js"></script>
+<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"></script>
+<script src="jquery.gchart.js"></script>
 <script>
 document.addEventListener('load', (event) => {
 $(function () {
diff --git a/runestone/animation/simpletree.html b/runestone/animation/simpletree.html
index 60f53a061..c9d982a11 100644
--- a/runestone/animation/simpletree.html
+++ b/runestone/animation/simpletree.html
@@ -2,12 +2,12 @@
 <html>
 
 <head>
-<script type="text/javascript" src="animationrefactor.js"></script>
-<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script> 
-<script type="text/javascript" src="jqchart/jquery.gchart.js"></script>
-<script type="text/javascript" src="jqchart/jquery.gchart.graphviz.js"></script>
-<script type="text/javascript" src="animationrefactor.js"></script>
-<script type="text/javascript" src="simpletree.js"></script>
+<script src="animationrefactor.js"></script>
+<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script> 
+<script src="jqchart/jquery.gchart.js"></script>
+<script src="jqchart/jquery.gchart.graphviz.js"></script>
+<script src="animationrefactor.js"></script>
+<script src="simpletree.js"></script>
 </head>
 
 
@@ -29,7 +29,7 @@
 <button onclick="ancan_anim.backward()">Step Backward</button>
 <button onclick="ancan_anim.end()">End</button>
 </div>
-<script type="text/javascript">
+<script>
 init1 = function(divid)
 {
    var a = new Animator(new SimpleTreeModel(), new TreeViewer(), divid)
diff --git a/runestone/animation/sortingbase.html b/runestone/animation/sortingbase.html
index 23064a2f1..aefec5381 100644
--- a/runestone/animation/sortingbase.html
+++ b/runestone/animation/sortingbase.html
@@ -1,9 +1,9 @@
 <!DOCTYPE html>
 
 <head>
-<script type="text/javascript" src="sortmodels.js"></script>
-<script type="text/javascript" src="sortviewers.js"></script>
-<script type="text/javascript" src="animationbase.js"></script>
+<script src="sortmodels.js"></script>
+<script src="sortviewers.js"></script>
+<script src="animationbase.js"></script>
 
 
 <html>
diff --git a/runestone/animation/sortingdemo.html b/runestone/animation/sortingdemo.html
index bd3625686..54e9b3cd0 100644
--- a/runestone/animation/sortingdemo.html
+++ b/runestone/animation/sortingdemo.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 
 <head>
-<script type "text/javascript" src="sortingdemo.js"></script>
+<script src="sortingdemo.js"></script>
 
 <html>
 <body onload="">
diff --git a/runestone/animation/sortingpackage.html b/runestone/animation/sortingpackage.html
index c42f717cd..ac7943941 100644
--- a/runestone/animation/sortingpackage.html
+++ b/runestone/animation/sortingpackage.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 
 <head>
-<script type "text/javascript" src="sortingpackage.js"></script>
+<script src="sortingpackage.js"></script>
 
 <html>
 <body onload="">
diff --git a/runestone/blockly/blockly.py b/runestone/blockly/blockly.py
index 76b467355..98b927cbe 100644
--- a/runestone/blockly/blockly.py
+++ b/runestone/blockly/blockly.py
@@ -55,14 +55,14 @@ def __init__(self, content, **kwargs):
 START = """
 <html>
 <head>
-    <script src='blockly_compressed.js' type="text/javascript"> </script>
-    <script src='blocks_compressed.js' type="text/javascript"> </script>
-    <script src='javascript_compressed.js' type="text/javascript"> </script>
-    <script src='python_compressed.js' type="text/javascript"> </script>
-    <script src='msg/js/en.js' type="text/javascript"> </script>
+    <script src='blockly_compressed.js'> </script>
+    <script src='blocks_compressed.js'> </script>
+    <script src='javascript_compressed.js'> </script>
+    <script src='python_compressed.js'> </script>
+    <script src='msg/js/en.js'> </script>
     <link rel="stylesheet" href="bootstrap-3.4.1/css/bootstrap.min.css" type="text/css" />
     <link rel="stylesheet" href="video.css" type="text/css" />
-    <script type="text/javascript">
+    <script>
     // Get the objects we need to do logging from the parent frame.
     // This seems better than reloading all of jQuery and bookfuncs into the frame. But
     // Makes this a bit more dependent on the Runestone Environment.
diff --git a/runestone/codelens/visualizer.py b/runestone/codelens/visualizer.py
index db7009f07..dbfe26619 100644
--- a/runestone/codelens/visualizer.py
+++ b/runestone/codelens/visualizer.py
@@ -48,7 +48,7 @@ def setup(app):
 
 
 DATA = """
-<script type="text/javascript">
+<script>
 var %(divid)s_vis;
 
 if (allTraceData === undefined) {
diff --git a/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/layout.html b/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/layout.html
index dc094ad23..15cf410d4 100644
--- a/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/layout.html
+++ b/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/layout.html
@@ -222,7 +222,7 @@
 {%- block extrahead %}
 <link rel="shortcut icon" href="/{{appname}}/static/favicon.ico" type="image/ico" />
 
-<script type="text/javascript">
+<script>
   eBookConfig = {};
   {% if dynamic_pages == 'True' %}
     {% raw %}
@@ -354,13 +354,13 @@
 {% if dynamic_pages == 'True' %}
   {% raw %}
     {{ if request.application == 'runestone':}}
-      <script type="text/javascript">
+      <script>
         var _gaq = _gaq || [];
         _gaq.push(['_setAccount', '{{ =settings.google_ga }}']);
         _gaq.push(['_trackPageview']);
 
         (function() {
-          var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+          var ga = document.createElement('script'); ga.async = true;
           ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
           var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
         })();
diff --git a/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/relations.html b/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/relations.html
index 994eb9aa6..75153a049 100644
--- a/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/relations.html
+++ b/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/relations.html
@@ -19,7 +19,7 @@
   <li class="divider-vertical"></li>
 {%- endif %}
 
-<script type="text/javascript">
+<script>
   opts = {'placement':'bottom',
           'selector': '',
           'delay': { show: 100, hide: 50}
diff --git a/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/subchapter.html b/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/subchapter.html
index 74b994cb3..f555e75fd 100644
--- a/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/subchapter.html
+++ b/runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/subchapter.html
@@ -24,7 +24,7 @@
 
 {%- endif %}
 
-<script type="text/javascript">
+<script>
 document.addEventListener('load', (event) => {
   $('#relations-prev').tooltip({'placement':'right', 'selector': '', 'delay': { show: 100, hide: 50}});
   $('#relations-next').tooltip({'placement':'left', 'selector': '', 'delay': { show: 100, hide: 50}});
diff --git a/runestone/disqus/disqus.py b/runestone/disqus/disqus.py
index 2053de89d..a747d6519 100644
--- a/runestone/disqus/disqus.py
+++ b/runestone/disqus/disqus.py
@@ -21,7 +21,7 @@
 
 
 DISQUS_BOX = """\
-<script type="text/javascript">
+<script>
     function %(identifier)s_disqus(source) {
         if (window.DISQUS) {
 
diff --git a/runestone/webgldemo/webgldemo.py b/runestone/webgldemo/webgldemo.py
index 388ea53f5..a9495802e 100644
--- a/runestone/webgldemo/webgldemo.py
+++ b/runestone/webgldemo/webgldemo.py
@@ -707,7 +707,7 @@ def run(self):
 # Run the show/hide function on each element to get it into the correct
 # visibility and width
 SHOW_HIDE_SCRIPT = """
-    <script type='text/javascript'>
+    <script>
         %(divid)s_directive.show_webgl(\"%(divid)s_show_code\",1);
         %(divid)s_directive.show_webgl(\"%(divid)s_show_canvas\",2);
         %(divid)s_directive.show_webgl(\"%(divid)s_show_info\",3);
