diff --git a/privacy-protections/surrogates/index.html b/privacy-protections/surrogates/index.html
index a63a5ef..a7b72e7 100644
--- a/privacy-protections/surrogates/index.html
+++ b/privacy-protections/surrogates/index.html
@@ -24,6 +24,7 @@
   color: black;
 }
 </style>
+  <script id="head-tag" src="//google-analytics.com/analytics.js"></script>
 </head>
 <p><a href="../../">[Home]</a> ↣ <a href="../">[Privacy Protections Tests]</a> ↣ <strong>[Surrogates Test Page]</strong></p>
 
diff --git a/privacy-protections/surrogates/main.js b/privacy-protections/surrogates/main.js
index e9a4f75..7205e84 100644
--- a/privacy-protections/surrogates/main.js
+++ b/privacy-protections/surrogates/main.js
@@ -49,6 +49,14 @@ function checkSurrogate () {
 }
 
 const surrogates = {
+    head: {
+        notes: 'Loading surrogate in <head>',
+        load: () => Promise.resolve(checkSurrogate()), // included in the html
+        cleanUp: () => {
+            document.getElementById('head-tag').remove();
+            delete window.ga;
+        }
+    },
     'main-frame': {
         url: 'https://google-analytics.com/analytics.js',
         notes: 'Loading surrogate in the main frame.',
@@ -108,36 +116,55 @@ const surrogates = {
 
             return promise;
         }
+    },
+    'delayed-set': {
+        notes: 'Set script src after insert',
+        url: 'https://google-analytics.com/analytics.js',
+        delay: true,
+        test: checkSurrogate,
+        cleanUp: () => { delete window.ga; }
     }
 };
 
-(async function loadSurrogates () {
-    for (const [name, testData] of Object.entries(surrogates)) {
-        if (testData.url) {
-            await new Promise((resolve, reject) => {
-                const s = document.createElement('script');
+async function injectSurrogate (testData) {
+    return new Promise((resolve, reject) => {
+        const s = document.createElement('script');
 
-                if (testData.crossOrigin) {
-                    s.crossOrigin = testData.crossOrigin;
-                }
-                if (testData.integrity) {
-                    s.integrity = testData.integrity;
-                }
+        if (testData.crossOrigin) {
+            s.crossOrigin = testData.crossOrigin;
+        }
+        if (testData.integrity) {
+            s.integrity = testData.integrity;
+        }
+
+        s.onload = () => {
+            updateTable({ name, testData });
+            resolve();
+        };
 
-                s.onload = () => {
-                    updateTable({ name, testData });
-                    resolve();
-                };
+        s.onerror = (error) => {
+            updateTable({ name, testData, error });
+            resolve();
+        };
 
-                s.onerror = (error) => {
-                    updateTable({ name, testData, error });
-                    resolve();
-                };
+        if (!testData.delay) {
+            s.src = testData.url;
+        }
+
+        document.body.appendChild(s);
 
+        if (testData.delay) {
+            setTimeout(() => {
                 s.src = testData.url;
+            }, 500);
+        }
+    });
+}
 
-                document.body.appendChild(s);
-            });
+(async function loadSurrogates () {
+    for (const [name, testData] of Object.entries(surrogates)) {
+        if (testData.url) {
+            await injectSurrogate(testData);
         } else {
             testData.load().then(result => {
                 testData.test = () => result;
