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Spot GA4, GTM and consent issues on any site in one click. See every tag and test Accept vs Reject. Free, private, in your browser. Inspect exactly how any website is set up for Google Analytics 4 and Google Tag Manager, in one click. No login, no access request, nothing to configure. Open the popup on any page and you get four views. OVERVIEW Every analytics, advertising and marketing tag found on the page, with the ID it uses How each one was installed: through a tag manager, hard-coded in the page, or added by a CMS plugin Whether data is sent from the browser or through a server-side endpoint The consent platform in use, if there is one GA4 Web stream details and measurement IDs Tag configuration settings and enhanced measurement Cross-domain measurement and unwanted referrals GTM Container contents: tags, triggers and variables dataLayer activity on the page A raw JSON view you can copy CONSENT Consent Mode state on the page, with default and update signals Warnings such as a missing signal, or hits sent before the visitor answered Consent Lab loads the page three ways - Default, Accept all, Reject all and compares which tags fire and which cookies appear PRIVATE BY DESIGN Everything runs in your browser. The extension reads the page you are viewing and the public Google Tag Manager container file for that page. It has no account, sends nothing to GAfix, and does not sell or share your data. BEFORE YOU USE CONSENT LAB Consent Lab clears cookies and site data for the current site before each run, so it can test a clean first visit. It can also click the site’s cookie banner. Use it on a tab you do not mind resetting. ABOUT GAFIX GAfix.ai audits GA4 and GTM setups end to end. GAfix is not affiliated with or endorsed by Google. Google Analytics and Google Tag Manager are trademarks of Google LLC.
Nov 5, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.