sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.
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Updated
Mar 21, 2025 - JavaScript
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.
Framework allows to perform load testing with Apache Jmeter, view application/server metrics in real-time with Grafana, analyze errors cause with detailed traces for failed requests, compare different test runs in scripted dashboard and perform frontend performance testing with sitespeed.io+webpagetest
Lightweight replacement for subset of Lodash
Tool for extracting and visualizing performance data (mobile and desktop) from a given list of urls
Kubernetes orchestrated container system for sitespeedio
A cloudflare worker that makes your website faster
Sitespeed.io web performance test scheduler and management agent
School project (TUL): Analyze speed of your site according to the HTTP best practices.
Kubernetes orchestrated container system for sitespeedio using Helm
Awesome accessibility analyzer! A tool for performing all the things you need to ensure your website is up to snuff, for all users!
Sitespeed.io is an open-source tool for analyzing website performance, speed, and best practices. It collects metrics using WebPageTest, Lighthouse, and Browsertime, helping developers optimize load times, user experience, and SEO. Supports automation via CI/CD.
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