Front-End performance monitoring tool

We help to analyze how fast (or slow) visitors load your site.

Features

This project was born as internal analytic tool and made public
to help developers to analyze their sites performance without reinventing the wheel.

Start analyzing site performance by adding a few lines of JS code

See the full picture of how users from around the world load your site

Analyze which edge servers of your CDN provider users go to

Create line charts to track page load speed for any period of time

Track page load speed since any of NavigationTiming marks

Use Performance API to log and display your own performance metrics

Our client library is open source and powered by open source software.
The code is available on GitHub.