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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. Find us on:
Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.
Start The Course! This free course consists of a series of video lectures that combine screencasts and narrated slides. Closed captioning is provided and a PDF is included with each video for links to resources mentioned within. Some videos require signing up for a free WebPageTest account. Welcome (02:26 mins)
With WebPageTest Pro, you get access to 10 more premium locations. WebPageTest is always up-to-date on the current version of every browser and you can test on Chrome (stable, beta, canary), Firefox (stable, beta, ESR), Microsoft Edge (dev) and Brave. also supports mobile emulation testing. You can test mobile content by emulating an Android ...
Catchpoint's 2020 acquisition of WebPageTest, created and open-sourced by Patrick Meenan in 2008, marked a significant milestone in our journey. This strategic move united the best of both worlds, merging WebPageTest's gold-standard web performance testing capabilities with Catchpoint's market-leading Internet Performance Monitoring Platform ...
Enter multiple URLs to compare them against each other visually. Chrome on an Emulated Motorola G (gen 4) tested from Virginia, US on a 9 Mbps 4G connection with 170ms of latency. For each URL, 3 first-view tests will be run from selected location and the median run will be used for comparison. If you would like to test with different settings ...
WebPageTest API Wrapper is a NPM package that wraps WebPageTest API for NodeJS as a module and a command-line tool. It provides some syntactic sugar over the raw API, enabling easier integration into your existing workflows, including built in polling for results, pingback support and more. Check out one of our API subscriptions and unlock the ...
With WebPageTest API, you can test across 30 locations worldwide, including mainland China. WebPageTest API is always up-to-date on the current version of every browser and you can test on Chrome (stable, beta, canary), Firefox (stable, beta, ESR), Microsoft Edge (dev) and Brave. WebPageTest API also supports mobile emulation testing.
Visual comparison of multiple websites with a side-by-side video and filmstrip view of the user experience.
We recently released a WebPageTest Recorder Extension in the Chrome Store which let’s you export flows from Chrome’s built-in recorder directly as WebPageTest Custom scripts. The recorder which is built into their developer tools, will start to record each action you take on the page—clicks, scrolling, navigation, and more.