diff --git a/packages/gatsby-plugin-fullstory/src/__tests__/__snapshots__/gatsby-ssr.js.snap b/packages/gatsby-plugin-fullstory/src/__tests__/__snapshots__/gatsby-ssr.js.snap
index c5abc86c05878..9bb812c868d87 100644
--- a/packages/gatsby-plugin-fullstory/src/__tests__/__snapshots__/gatsby-ssr.js.snap
+++ b/packages/gatsby-plugin-fullstory/src/__tests__/__snapshots__/gatsby-ssr.js.snap
@@ -10,7 +10,7 @@ Array [
             "__html": "
 window['_fs_debug'] = false;
 window['_fs_host'] = 'fullstory.com';
-window['_fs_script'] = 'fullstory.com/s/fs.js';
+window['_fs_script'] = 'edge.fullstory.com/s/fs.js';
 window['_fs_org'] = 'test-org';
 window['_fs_namespace'] = 'FS';
 (function(m,n,e,t,l,o,g,y){
@@ -19,11 +19,15 @@ window['_fs_namespace'] = 'FS';
     o=n.createElement(t);o.async=1;o.crossOrigin='anonymous';o.src='https://'+_fs_script;
     y=n.getElementsByTagName(t)[0];y.parentNode.insertBefore(o,y);
     g.identify=function(i,v,s){g(l,{uid:i},s);if(v)g(l,v,s)};g.setUserVars=function(v,s){g(l,v,s)};g.event=function(i,v,s){g('event',{n:i,p:v},s)};
+    g.anonymize=function(){g.identify(!!0)};
     g.shutdown=function(){g(\\"rec\\",!1)};g.restart=function(){g(\\"rec\\",!0)};
-    g.log = function(a,b) { g(\\"log\\", [a,b]) };
+    g.log = function(a,b){g(\\"log\\",[a,b])};
     g.consent=function(a){g(\\"consent\\",!arguments.length||a)};
     g.identifyAccount=function(i,v){o='account';v=v||{};v.acctId=i;g(o,v)};
     g.clearUserCookie=function(){};
+    g._w={};y='XMLHttpRequest';g._w[y]=m[y];y='fetch';g._w[y]=m[y];
+    if(m[y])m[y]=function(){return g._w[y].apply(this,arguments)};
+    g._v=\\"1.2.0\\";
 })(window,document,window['_fs_namespace'],'script','user');
       ",
           }
diff --git a/packages/gatsby-plugin-fullstory/src/gatsby-ssr.js b/packages/gatsby-plugin-fullstory/src/gatsby-ssr.js
index 759645d98eab7..da3c4b444cf19 100644
--- a/packages/gatsby-plugin-fullstory/src/gatsby-ssr.js
+++ b/packages/gatsby-plugin-fullstory/src/gatsby-ssr.js
@@ -9,7 +9,7 @@ export const onRenderBody = ({ setHeadComponents }, pluginOptions) => {
           __html: `
 window['_fs_debug'] = false;
 window['_fs_host'] = 'fullstory.com';
-window['_fs_script'] = 'fullstory.com/s/fs.js';
+window['_fs_script'] = 'edge.fullstory.com/s/fs.js';
 window['_fs_org'] = '${pluginOptions.fs_org}';
 window['_fs_namespace'] = 'FS';
 (function(m,n,e,t,l,o,g,y){
@@ -18,11 +18,15 @@ window['_fs_namespace'] = 'FS';
     o=n.createElement(t);o.async=1;o.crossOrigin='anonymous';o.src='https://'+_fs_script;
     y=n.getElementsByTagName(t)[0];y.parentNode.insertBefore(o,y);
     g.identify=function(i,v,s){g(l,{uid:i},s);if(v)g(l,v,s)};g.setUserVars=function(v,s){g(l,v,s)};g.event=function(i,v,s){g('event',{n:i,p:v},s)};
+    g.anonymize=function(){g.identify(!!0)};
     g.shutdown=function(){g("rec",!1)};g.restart=function(){g("rec",!0)};
-    g.log = function(a,b) { g("log", [a,b]) };
+    g.log = function(a,b){g("log",[a,b])};
     g.consent=function(a){g("consent",!arguments.length||a)};
     g.identifyAccount=function(i,v){o='account';v=v||{};v.acctId=i;g(o,v)};
     g.clearUserCookie=function(){};
+    g._w={};y='XMLHttpRequest';g._w[y]=m[y];y='fetch';g._w[y]=m[y];
+    if(m[y])m[y]=function(){return g._w[y].apply(this,arguments)};
+    g._v="1.2.0";
 })(window,document,window['_fs_namespace'],'script','user');
       `,
         }}