Tag Assistant

The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.

Tag Assistant - Google Tag Troubleshooting Tool

"Tag Assistant" is a Chrome extension designed to help you install and troubleshoot Google tags like Google Analytics and Google Ads. By clicking the extension, you can view all Google tags present on a page in a convenient side-panel. It also features a 'Troubleshoot' button that activates advanced debugging mode at tagassistant.google.com, allowing for detailed diagnostics across your site. Enhance your tag implementation experience with step-by-step guidance coming soon for popular website builders.
Install from Chrome Web Store

Extension stats

By: Google
Users: 2,000,000+
Version: 25.7.2.45 (Last updated: 2025-01-08)
Creation date: 2020-03-23
Risk impact: High risk impact
Risk likelihood:
Manifest version: 3
Permissions:
  • scripting
  • sidePanel
  • storage
  • tabs
  • webNavigation
Host permissions:
  • <all_urls>
Size: 198.66K

Other platforms

Not available on Android
Not available on Firefox
Not available on Edge
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Extension summary

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We’re grateful for your feedback—we've listened and will be updating and bringing back the on-page debugging experience. More exciting features are on the way.

Tag Assistant helps you install and troubleshoot your Google tags, including Google Analytics, Google Ads, Tag Manager and more. When clicked, the extension displays the Google tags found on the page in a side-panel. Just navigate to any page, and Tag Assistant will tell you which tags are present. We will be adding additional diagnostics in the near future.

The “Troubleshoot” button activates our debug mode using tagassistant.google.com. This advanced tool allows you to debug your website, including iframes, within a single session, providing detailed diagnostics to help you validate, diagnose, and resolve your implementation. Session data is available for review on tagassistant.google.com.

COMING SOON: Step-by-step guidance to install tags on popular website builders.

By installing this extension, you agree to the Google Terms of Service and Privacy Policy at https://www.google.com/intl/en/policies/.

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
    Cons
    • New version breaks functionality of the tool and is unusable compared to the old version.
    • Users cannot see or debug Google tags properly in the new version.
    • The user interface is considered bad and not intuitive.
    • New version fails to identify GTMs and conversion tags accurately.
    Most mentioned
    • Users are requesting the old version to be reinstated due to loss of functionality.
    • The new version is perceived as useless and more complicated than the original.
    • There are issues with compatibility, particularly with various platforms (e.g., Shopify).
    User reviews
    Schrecklich, funktioniert gar nicht mehr so, wie er sollte... Ein echt schlichtweg enttäuschendes Update.
    by Max Kellner, 2025-01-20

    The last 2 updates broke the functionality of a perfect tool that I've been using for many years. Since Tag Assistant was updated in late December 2024, I lost the ability to see SPA pages developed in vue.js in Google Tag Manager's Preview Mode. Please revert to the old version and stop breaking things, Google. We are trying to do some work here while you are breaking our tools and taking away functionality.
    by Oleg Vorobiov - ACV, 2025-01-17

    New update is worthless, please bring back the old version which worked perfectly!
    by Fahad Hasan, 2025-01-17
    View all user reviews

    Extension safety

    Risk impact

    Tag Assistant requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

    Risk likelihood

    Tag Assistant has earned a fairly good reputation and likely can be trusted.

    Upgrade to see risk analysis details

    Promo images

    Tag Assistant small promo image
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