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Detects embedded analytics tools and their tag IDs 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!
Jun 10, 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.