Tag Checker Tool

by Sons Labo · web-master-tool.com · Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 18 Oct 2026

Detects embedded analytics tools and their tag IDs

Users

136

+45 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#75K

#63K among extensions

Version

1.1

updated 10 Jun 2026

Users

monthly, 15 months

Latest, 18 Oct 2026: 136 usersMove the mouse over the chart for any month

Ratings count

monthly, 15 months

Latest, 18 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Tag Checker Tool

Tag Checker is a Chrome extension that detects and displays various analytics tags and marketing scripts embedded in websites. Key Features: Google Tags: Google Tag Manager (GTM), Google Analytics (GA4/UA) Social Media Pixels: Facebook Pixel, TikTok Pixel Major Ad & Tracking Tags: Yahoo tags, LINE tags, and other major advertising and tracking tags High-Precision Detection: Highly accurate detection by analyzing in-page <script> tags and network requests This extension is a valuable tool for marketers, ad operations specialists, and developers. Please take advantage of it to verify your tag implementations or to analyze competitor websites!