Automating WebPagetest with wpt-script
summary
Etsy open sources wpt-script, a PHP tool that automates WebPagetest via its API to run scheduled synthetic tests, pull results, and push metrics to Graphite and Splunk. A simple EC2 setup uses three agents (two modern browsers, one IE8), cron jobs submit tests and a separate cron fetches results, parsing every WebPagetest metric (load, first byte, render, speed index). The system produces 24‑hour and long‑term trend graphs comparable to paid services and is on GitHub.
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