TrackJS tracks JavaScript errors from your frontend web applications with all the context you need to understand the impact and fix bugs fast.

TrackJS seamlessly integrates with your website code to track production errors from real users. We report errors from code bugs, network failures, and third-parties with zero impact to your website.

When you view an error report, we will attempt to retrieve the JavaScript files referenced in the stack trace, and “prettify” them so you can understand what code is being referenced.

Catch server-side errors before they crash your Node.js applications. Get detailed error telemetry with full context about what went wrong.

Learn how to use TrackJS, configure the agent, and fix JavaScript bugs in your web applications.

Nov 21, 2025 · TrackJS is the easy way to monitor your JavaScript applications and fix production errors. TrackJS is provides detailed error monitoring and alerting to developers around the world at …

We’ve been working hard to release a major upgrade to our JavaScript tracker. Version 2.0.0 introduces several things you’ve been asking for, and some big ideas of our own.

Monitor JavaScript memory usage in production with TrackJS. Track errors when heap usage exceeds 90%, add memory data to telemetry, and detect DOM growth. Wh...

Track errors when heap usage exceeds 90%, add memory data to telemetry, and detect DOM growth. While browser APIs are limited to Chrome, basic monitoring can catch critical memory leaks before …

This example shows how to configure TrackJS for a passive tracking environment, such as a third-party plugin or chrome module. In this case, you do not want to track everything on the page, as most …