Tim Kadlec • 4/16/2020

WebPageTest Custom Metrics with Request Data

This article details a technique for using WebPageTest's custom metrics, specifically the $WPT_REQUESTS and $WPT_BODIES variables, to analyze script loading on a webpage. It addresses the challenge of distinguishing between scripts in the initial HTML and those injected later, providing a technical solution for web performance analysis.

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#JavaScript #developer tools #webpagetest