NEW: Our Guide to Core Web Vitals, with Examples and Tips

Test. Optimize. Repeat.

  • (Loads the page, closes the browser and then loads the page again)

Real Experience

Test your user’s real experience with global locations, modern devices, and the latest browser versions.

Video Capture

Correlate your user’s visual experience to the technical measurements of your site.

In-Depth Metrics

Dive into the anatomy of your webpage with components like DNS, TCP, TLS, and more.

“The best professional web performance investigators I know use WPT as a critical part of their workflows, and it's the center of mine.”

Alex Russell, Software Engineer, Google Chrome

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