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WebPageTest - Tester IP Addresses

Hitting the test limit? Set up with WebPageTest API to increase your test run limits and automate your web performing test. With WebPageTest API, you can run tests, and easily diagnose and …

Jun 3, 2025 · Learn, share insights and get involved in the WebPageTest community.

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 …

Sep 7, 2012 · Since this is a multiple-page navigation script, some of the requests can be sent on connections that were opened on one of the earlier pages in the test. If you get rid of the logdata 0/1 …

Jul 2, 2013 · I’m testing a website that has http authentication, using Webpagetest. To avoid the username and password, Webpagetest suggests to use a test account. Could some someone kindly …

Jun 20, 2014 · Ok, I found the underlying problem: I had old information about the JavaScript blocking. New browsers are able to download also scripts in parallel. This doesn’t solve the blocking problem …

Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.

Oct 15, 2012 · Actually, the documentation shouldn’t say that “the speed index is the time (in milliseconds) that ‘most’ of the page becomes visible” - it should say that the speed index is the …