WebPageTest comparison URL generator

Quickly generate the correct URL for for comparing WebPageTest run data. It should also work with custom instances and SpeedCurve URL's.

Simply enter a set of test URL's (e.g. https://www.webpagetest.org/result/191128_E6_8f81ddf9ba2ba82ef814fff7baaa5005/) and click 'Generate URLs'. Two URL's will be listed:

For the graph page view you'd usually click the 'Plot Full Results' link below a tests 'Performance Results' table on the summary page.

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