Added warning about using a file URL to example pages (closes snowplow#397)

fblundun · fblundun · commit 3092ac1910f4 · 2015-07-23T16:33:11.000+01:00
diff --git a/examples/web/async-large.html b/examples/web/async-large.html
@@ -232,7 +232,8 @@
 <body>
     <h1>Large_asynchronous_examples_for_snowplow.js</h1>
     <h2>This shows how two users can simultaneously use Snowplow on the same page without any clash</h2>
-    <p>Warning: if your browser's Do Not Track feature is enabled and respectDoNotTrack is not commented out, all tracking will be prevented.</p>
+    <p>Warning: if your browser's Do Not Track feature is enabled and respectDoNotTrack is enabled, all tracking will be prevented.</p>
+    <p>If you are viewing the page using a file URL, you must edit the script URL in the Snowplow tag to include an http scheme. Otherwise a file scheme will be inferred and the page will attempt to load sp.js from the local filesystem..</p>
     <p>Press the buttons below to trigger individual tracking events:<br>
         <button type="button" onclick="playMix()">Play a mix</button><br>
         <button type="button" onclick="addProduct()">Add a product</button><br>
diff --git a/examples/web/async-medium.html b/examples/web/async-medium.html
@@ -172,13 +172,14 @@
 <body>
     <h1>Medium_asynchronous_examples_for_snowplow.js</h1>
     <p>Two tracker namespaces are instantiated on this page.</p>
+    <p>Warning: if your browser's Do Not Track feature is enabled and respectDoNotTrack is enabled, all tracking will be prevented.</p>
+    <p>If you are viewing the page using a file URL, you must edit the script URL in the Snowplow tag to include an http scheme. Otherwise a file scheme will be inferred and the page will attempt to load sp.js from the local filesystem..</p>
     <p>Press the buttons below to trigger individual tracking events:<br>
         <button type="button" onclick="playMix()">Play a mix</button><br>
         <button type="button" onclick="addProduct()">Add a product</button><br>
         <button type="button" onclick="viewProduct()">View a product</button><br>
         <button type="button" onclick="addEcommerceTransaction()">Add an ecommerce transaction</button>
     </p>
-    <p>Warning: if your browser's Do Not Track feature is enabled and respectDoNotTrack is not commented out, all tracking will be prevented.</p>
     <a href=http://en.wikipedia.org/wiki/Main_Page id=legal class="link out">Both trackers will track this link</a>
     <br>
     <a href=http://en.wikipedia.org/wiki/Main_Page id=semilegal class="class inbound">Only the cf tracker will track this link</a>
diff --git a/examples/web/async-small.html b/examples/web/async-small.html
@@ -149,13 +149,16 @@
 
 <body>
     <h1>Small_asynchronous_examples_for_snowplow.js</h1>
+
+    <p>Warning: if your browser's Do Not Track feature is enabled and respectDoNotTrack is enabled, all tracking will be prevented.</p>
+    <p>If you are viewing the page using a file URL, you must edit the script URL in the Snowplow tag to include an http scheme. Otherwise a file scheme will be inferred and the page will attempt to load sp.js from the local filesystem..</p>
+
     <p>Press the buttons below to trigger individual tracking events:<br>
         <button type="button" onclick="playMix()">Play a mix</button><br>
         <button type="button" onclick="addProduct()">Add a product</button><br>
         <button type="button" onclick="viewProduct()">View a product</button><br>
         <button type="button" onclick="addEcommerceTransaction()">Add an ecommerce transaction</button>
     </p>
-    <p>Warning: if your browser's Do Not Track feature is enabled and respectDoNotTrack is not commented out, all tracking will be prevented.</p>
     <a href=http://en.wikipedia.org/wiki/Main_Page id=legal target="_blank" class="link out">Link</a>
     <br>
     <a href=http://en.wikipedia.org/wiki/Main_Page id=illegal class="class barred">Ignored link</a>
diff --git a/examples/web/sync.html b/examples/web/sync.html
@@ -62,6 +62,8 @@
 
 <body>
     <h1>Synchronous examples for snowplow.js</h1>
+    <p>Warning: if your browser's Do Not Track feature is enabled and respectDoNotTrack is enabled, all tracking will be prevented.</p>
+    <p>If you are viewing the page using a file URL, you must edit the script URL in the Snowplow tag to include an http scheme. Otherwise a file scheme will be inferred and the page will attempt to load sp.js from the local filesystem..</p>
     <p>Press the buttons below to trigger individual tracking events:<br>
         <button type="button" onclick="playMix()">Play a mix</button><br>
         <button type="button" onclick="addProduct()">Add a product</button><br>
