# TagCheck

> Lists usage of Universal Analytics, Google Analytics 4, and Google Tag Manager on a page.

Canonical page: [https://chrome-stats.com/d/tagcheck](https://chrome-stats.com/d/tagcheck)

## Overview

- **ID:** `tagcheck`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** embeddedt
- **Category:** web-development
- **Daily users:** 95
- **Version:** 1.0
- **Last updated:** 2022-05-08
- **First published:** 2022-05-07
- **Size:** 15 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/tagcheck/)
- **Website:** [https://github.com/embeddedt/TagCheck/issues](https://github.com/embeddedt/TagCheck/issues)

## Description

TagCheck is a Chrome extension designed for quick detection of analytics tools on any webpage. It identifies the presence of Universal Analytics (UA), Google Analytics 4 (GA4), and Google Tag Manager (GTM), listing the respective container and property IDs for user convenience. With an easy-to-access toolbar button, TagCheck offers developers, marketers, and analysts a straightforward way to verify tracking implementations without digging through page source code or developer tools.

Ideal for professionals needing to audit or validate analytics setups, TagCheck enhances workflow efficiency by presenting key analytics identifiers clearly and promptly. Its intuitive interface and focused functionality make it an essential tool for web performance and analytics monitoring.

## Rankings

- #11,875 — Overall
- #104 — analytics
- #111 — property
- #169 — usage
- #228 — checker

## Permissions and access

### Permissions

- `activeTab`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/tagcheck)