Web Tracing Framework

Rich tools for instrumenting, analyzing, and visualizing web apps.
Make your app jank-free at 60fps!

Install Chrome Extension Get Started

Advanced Tracing for Advanced Apps.

Rich Tracing

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Choose what methods to trace and add custom data to each event. Track asynchronous flows and actions.

Slick Visualization

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Smoothly dig through millions of events in an awesome UI. See patterns and understand your code like never before.

Extensible Framework

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Write extensions to capture more data or visualize it in new ways. Write small node.js scripts to process traces and pull out useful data.


Canvas & WebGL

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Capture and replay HTML5 <canvas> and WebGL content. Write tools to analyze and test your drawing.

Track Memory Usage

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Find every byte allocated by every function via heap tracking. See not just the what but when and who of every allocation.

Remotely Trace Android

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Grab captures and analyze pages running on Chrome for Android using a simple remote controller.