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Chrome Web Store
chrome.google.com › webstore › detail › deprecated-tag-assistant › kejbdjndbnbjgmefkgdddjlbokphdefk
[DEPRECATED] Tag Assistant Legacy
October 13, 2023 - The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.
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Google Support
support.google.com › tagassistant › answer › 2947093
The Tag Assistant Legacy Chrome extension - Tag Assistant Help
Tag Assistant Legacy Chrome Extension automatically validates the implementation of Google tracking scripts on any given page. It works for: Google Analytics AdWords Conversion Tracking AdWord
Discussions

Google Killed Tag Manager Assistant Tool?!??
I've seen it has had "Legacy" on the name for some time and I just used it today. It's no longer working for you? More on reddit.com
🌐 r/PPC
4
2
October 13, 2023
Can't install google tag: Legacy tag detected
You have your old UA tag still. Search for that UA code and delete it from your source. More on reddit.com
🌐 r/GoogleTagManager
6
1
July 7, 2024
Google Tag Found But Not Found?
If this post doesn't follow the rules report it to the mods . Have more questions? Join our community Discord! I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns. More on reddit.com
🌐 r/GoogleTagManager
4
3
July 25, 2024
They Killed Google Tag Manager Tool?!?!
Sup r/adwords , So they've apparently killed the Tag Manager Assistant tool. Anyone know of any alternatives? And why does Google always make shitty… More on reddit.com
🌐 r/adwords
2
0
October 13, 2023
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Google Tag Assistant
tagassistant.google.com
Google Tag Assistant
Deploy tags in Google Tag Manager easily and safely with the Community Template Gallery.
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Google Support
support.google.com › tagassistant › answer › 2978832
Tag Assistant Legacy Chrome extension user options - Tag Assistant Help
The Tag Assistant Legacy Chrome extension provides several customizable settings in the user options that allow you to tailor the diagnostic output to your needs.
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Optizent
optizent.com › blog › what-is-the-tag-assistant-legacy-and-how-to-use-it
What Is the Tag Assistant (Legacy) And How To Use It? - Optizent
October 10, 2023 - Google Tag Assistant is a google chrome extension used in troubleshooting installation of various google tags to ensure that they are installed correctly and are working. We discuss on how to install it, but most importantly how to use it to ...
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Chrome Web Store
chrome.google.com › webstore › detail › tag-assistant-companion › jmekfmbnaedfebfnmakmokmlfpblbfdm
Tag Assistant Companion
June 26, 2023 - We’re grateful for your feedback—we've listened and are moving the functionality of Tag Assistant Companion into the original Tag Assistant extension and are retiring this extension. The original Tag Assistant extension now supports features from both the original and companion extensions, including in-page debugging and advanced functionality on tagassistant.google.com.
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MeasureSchool
measureschool.com › home › google tag assistant tutorial for beginners
Google Tag Assistant Tutorial for Beginners (2025)
January 7, 2025 - Google Tag Assistant is an extension for Google Chrome that allows you to easily monitor the correct installation of codes such as Google Analytics codes, analytics codes, Google Tag Manager codes, and many other useful codes.
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Analytics Mania
analyticsmania.com › post › google-tag-assistant-tutorial
Google Tag Assistant Tutorial: 10 Tips For Efficient Work
October 16, 2025 - This is where the event timeline and debug console are displayed. Tag Assistant (the browser extension): This is an optional Chrome extension that improves the functionality of the main Preview Mode.
Find elsewhere
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Analytics Mania
analyticsmania.com › post › google-tag-manager-extensions-chrome
Top 19 Google Tag Manager Extensions and Tools for Fast & Efficient Work
October 20, 2025 - Tag Assistant is a crowd favorite ... it is now back! The Tag Assistant extension works alongside Tag Assistant (GTM Preview mode) to help find any issues with Google Tag Manager....
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Google Support
support.google.com › tagassistant › answer › 2947095
How to use the Tag Assistant Legacy Chrome extension - Tag Assistant Help
When you load a webpage in Chrome, Tag Assistant checks for Google pixels on the page and provides real-time feedback: A green notice indicates that the code is implemented correctly. Clicking into the Chrome Extension will show which Google pixels are installed on the page.
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Softonic
tag-assistant-legacy-by-google.en.softonic.com › home › web browsers › browsers › google chrome › tag assistant legacy (by google)
Tag Assistant Legacy (by Google) for Google Chrome - Extension Download
1 week ago - Tag Assistant Legacy (by Google) for Chrome, free and safe download. Tag Assistant Legacy (by Google) latest version: Tag Assistant - Get Help to Diag
Rating: 9.2/10 ​ - ​ 1 votes
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Unscart
unscart.com › home › listings › tag assistant legacy (by google)
Google Tag Assistant Legacy Chrome Extension
July 11, 2022 - Tag Assistant Legacy Chrome extension lets you to resolve tag installation related problems including Google Analytics & Google Tag manager tag.
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Chrome Web Store
chromewebstore.google.com › detail › tag-assistant-companion › jmekfmbnaedfebfnmakmokmlfpblbfdm
Tag Assistant Companion - Chrome Web Store
We’re grateful for your feedback—we've listened and are moving the functionality of Tag Assistant Companion into the original Tag Assistant extension and are retiring this extension. The original Tag Assistant extension now supports features from both the original and companion extensions, including in-page debugging and advanced functionality on tagassistant.google.com.
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Crx4Chrome
crx4chrome.com › crx › 329085
Tag Assistant Legacy (by Google) 21.266.18 Crx (Old Version) - Crx4Chrome
You are about to download the Tag Assistant Legacy (by Google) 21.266.18 Extension crx file for Chrome v10.0 and up: Tag Assistant helps to troubleshoot installation of various Google tags including Google Analytics, Google Tag Manager and more.
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Toolbox
atlas.science › toolbox › tag-assistant-legacy
Toolbox - Tag Assistant Legacy
Tag Assistant helps to troubleshoot installation of various Google tags including Google Analytics, Google Tag Manager and more.
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PPC Land
ppc.land › google-unifies-tag-assistant-tools-after-user-feedback
Google unifies Tag Assistant tools after user feedback
January 2, 2025 - Google merges Tag Assistant Legacy and Companion into a single extension, responding to user demands for simplified debugging.
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Christos Pontikis
pontikis.gr › home › google tag manager › useful chrome extensions for google tag manager
Useful Chrome Extensions for Google Tag Manager - Christos Pontikis
June 23, 2024 - The Tag Assistant, pixel helpers, ...store/detail/deprecated-tag-assistant/kejbdjndbnbjgmefkgdddjlbokphdefk · The tool is considered Legacy & Deprecated, and there’s a possibility that Google might remove or replace it ...