Matomo Tag Manager Monitor icon

Matomo Tag Manager Monitor

Chrome Web Store

by Andi Petzoldt

v1.4.1 Updated Jul 7, 2025 1.1MiB
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Description

A Chrome extension for debugging and monitoring Matomo Tag Manager (MTM) events, triggers, and tags in real-time. ## What is it for? - General Information The MTM Event Monitor helps you debug and analyze your Matomo Tag Manager implementation by providing real-time insights into event firing, trigger conditions, and tag execution. ### In short The "MTM Event Monitor" provides a comprehensive debugging interface for Matomo Tag Manager implementations. It shows you exactly which events are fired, which triggers are activated, and which tags are executed - all with precise timing information and detailed analysis. ### Something more detailed Debugging Matomo Tag Manager can often be challenging and time-consuming, especially when trying to understand why certain triggers don't fire or tags aren't executed as expected. This browser extension solves these problems by providing real-time monitoring of all MTM activities directly in your browser. It captures `_mtm.push()` calls, analyzes trigger conditions, tracks tag execution, and provides detailed variable information - all without requiring any changes to your MTM setup. The extension integrates with MTM's native debugging capabilities and uses MTM's built-in methods to provide accurate, up-to-date information about your tag management implementation. Whether you're setting up new triggers, debugging existing tags, or optimizing your MTM configuration, this tool provides the insights you need. ### Key benefits - **Real-time monitoring**: See events as they happen with precise timestamps - **Trigger analysis**: Understand exactly why triggers fire or don't fire - **Tag tracking**: Monitor which tags are executed and when - **Variable inspection**: View current values of all MTM variables - **Console integration**: Structured logging for detailed debugging - **No setup required**: Works with any existing MTM implementation
Matomo Tag Manager Monitor screenshot 1Matomo Tag Manager Monitor screenshot 2

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Permissions (3)

Permissions

activeTab Can access the current tab when you click the extension scripting Can inject scripts into web pages storage Can store data locally in your browser

Details

Version 1.4.1
Updated Jul 7, 2025
Size 1.1MiB
First Seen Mar 21, 2026
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