Catchpoint WebPageTest Documentation

Welcome to WebPageTest

WebPageTest is a web performance tool providing deep diagnostic information about how a page performs under a variety of conditions.

Each test can be run from different locations around the world, on real browsers, over any number of customizable network conditions.

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Advanced Testing with Scripting

WebPageTest's scripting language enables everything from multi-step testing, request blocking and manipulation, custom headers and more.

Learn about WebPageTest scripts →

Capturing Custom Metrics

WebPageTest can execute arbitrary JavaScript at the end of a test, enabling a wide variety of custom defined metrics.

Learn about Custom Metrics →