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diff --git a/devtools/client/netmonitor/test/html_infinite-get-page.html b/devtools/client/netmonitor/test/html_infinite-get-page.html
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index 0000000000..462627e81d
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+++ b/devtools/client/netmonitor/test/html_infinite-get-page.html
@@ -0,0 +1,50 @@
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<!doctype html>
+
+<html>
+  <head>
+    <meta charset="utf-8"/>
+    <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
+    <meta http-equiv="Pragma" content="no-cache" />
+    <meta http-equiv="Expires" content="0" />
+    <title>Network Monitor test page</title>
+  </head>
+
+  <body>
+    <p>Infinite GETs</p>
+
+    <script type="text/javascript">
+      "use strict";
+
+      function get(address) {
+        return new Promise(resolve => {
+          const xhr = new XMLHttpRequest();
+          xhr.open("GET", address, true);
+
+          xhr.onreadystatechange = function() {
+            if (this.readyState == this.DONE) {
+              resolve();
+            }
+          };
+          xhr.send(null);
+        });
+      }
+
+      // Use a count parameter to defeat caching.
+      let count = 0;
+      let doRequests = true;
+      function stopRequests() { // eslint-disable-line no-unused-vars
+        doRequests = false;
+      }
+
+      (async function performRequests() {
+        await get("request_" + (count++));
+        if (doRequests) {
+          setTimeout(performRequests, 50);
+        }
+      })();
+    </script>
+  </body>
+
+</html>