[website] Sample GA to avoid hit limit

mui · Feb 5, 2022 · e1fb1d4 · e1fb1d4
1 parent 27f1c28
commit e1fb1d4
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/docs/pages/_document.js b/docs/pages/_document.js
@@ -29,7 +29,10 @@ if (process.env.NODE_ENV === 'production') {
   cleanCSS = new CleanCSS();
 }
 
-const GOOGLE_ID = process.env.NODE_ENV === 'production' ? 'UA-106598593-2' : 'UA-106598593-3';
+const PRODUCTION_DEPLOYEMENT =
+  process.env.PULL_REQUEST !== 'true' && process.env.NODE_ENV === 'production';
+
+const GOOGLE_ANALYTICS_ID = PRODUCTION_DEPLOYEMENT ? 'UA-106598593-2' : 'UA-106598593-3';
 
 export default class MyDocument extends Document {
   render() {
@@ -140,7 +143,9 @@ export default class MyDocument extends Document {
             dangerouslySetInnerHTML={{
               __html: `
                 window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date;
-                window.ga('create','${GOOGLE_ID}','auto');
+                window.ga('create','${GOOGLE_ANALYTICS_ID}',{
+                  sampleRate: ${PRODUCTION_DEPLOYEMENT ? 80 : 100},
+                });
               `,
             }}
           />