javascript - google analytics tag not working in rails 7 app - Stack Overflow

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Hi have a rails 7 application and want to place my google analytics tag js snippet.

What I tried was just adding this script to the application.html.erb, which does not work (probably related to hotwire / turbo)?:

<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src=";></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'G-123456789');
</script>

Hi have a rails 7 application and want to place my google analytics tag js snippet.

What I tried was just adding this script to the application.html.erb, which does not work (probably related to hotwire / turbo)?:

<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager./gtag/js?id=G-1234556789"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'G-123456789');
</script>

• javascript
• ruby-on-rails
• google-analytics
• ruby-on-rails-7

Share Improve this question Follow edited Jan 15, 2022 at 6:24 Linda Lawton - DaImTo 118k3939 gold badges225225 silver badges501501 bronze badges asked Jan 14, 2022 at 13:17 SabrinaSabrina 36944 silver badges1414 bronze badges 4

• If you inspect the view do you see the js in there? Just want to verify it is on the page but not firing. – Rockwell Rice Commented Jan 14, 2022 at 14:00
• when I inspect its not there. – Sabrina Commented Jan 15, 2022 at 18:40
• ok so you added those lines to application.html.erb but it is not showing? And it doesn't work if you just refresh the page, or do a hard reload of the page? Since this is a google tracking code I just want to make sure, you did deploy the changed code to the site, correct? – Rockwell Rice Commented Jan 15, 2022 at 20:28
• I added it to application.html.erb, thats correct! The thing is that Rails 7 uses turbo which is why I think it does not work with inline js but thats just a guess. – Sabrina Commented Jan 16, 2022 at 16:15

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1 Answer 1

Sorted by: Reset to default 8

This method worked for me

In your site html head

<script src="https://www.googletagmanager./gtag/js?id=G-111111111" data-turbo-track="reload" async></script>

and in the application.js

document.addEventListener("turbo:load", function(event) {
  window.dataLayer = window.dataLayer || []
  function gtag(){dataLayer.push(arguments)}
  gtag('js', new Date())
  gtag('config', 'G-111111111', {'page_location': event.detail.url})
}, false)

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