Notice anything different? WebPageTest got all spiffed up. Read more about the changes and what's coming next!

Test. Optimize. Repeat!

Instantly test your site’s performance in real browsers, devices, and locations around the world.

screenshot of wpt results page

Start a Site Performance or... Test!


  • Repeat View
  • All test results are configured to be private by default.
  • seconds

Chrome-specific advanced settings:


Check out the documentation for more information on this feature

Simulate failure of specified domains. This is done by re-routing all requests for the domains to blackhole.webpagetest.org which will silently drop all requests.

See the documentation for details on how to specify custom metrics to be captured.