What are the best Perfmatters repositories on GitHub?

The top-ranked Perfmatters open source repositories include sitespeedio/sitespeed.io, tracked and evaluated by community adoption, stars, and code commits.

How do I find trending Perfmatters open source tools?

Browse this curated Perfmatters directory to monitor real-time GitHub star velocity, latest code releases, and rising developer tools updated daily.

Are Perfmatters GitHub repositories free and open source?

Most Perfmatters projects listed here are distributed under open source licenses (such as MIT, Apache 2.0, or GPL). Always check individual project repositories for exact license terms.

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Perfmatters GitHub Repositories (2026) · Open Source Tools

Discover the best Perfmatters open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.

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1 matching projects · updated Nov 12, 2026 How we rank ↗

#1 TRENDING sitespeedio/sitespeed.io JavaScript 2012

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.

◇ metrics ◇ monitoring ◇ perfmatters ◇ performance-analysis

632 ↑ +1 today

5.1K

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Perfmatters GitHub Repositories (2026) · Open Source Tools

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