Webperf

Open-source tooling for a better, faster, more accessible and more secure web.

Webperf has been evaluating Swedish websites since 2004 — looking at performance, accessibility, web standards, privacy and information security. The tools that power our public reports on webperf.se are open source and free for anyone to use.

If you care about how your website actually performs for real people, you're in the right place.

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🚀 Flagship project

webperf_core

An open-source testing suite that helps you improve your digital presence — performance, security, accessibility, email best practice, and more — through many small, focused checks. Python, MIT-licensed.

git clone https://github.com/Webperf-se/webperf_core.git

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🔌 sitespeed.io plugins

Plugins that extend sitespeed.io with the same checks we use in our reports:

Plugin	What it does
plugin-webperf-core	Brings webperf-core checks into sitespeed.io
plugin-html	HTML validation
plugin-css	CSS validation
plugin-javascript	JavaScript checks
plugin-accessibility-statement	Presence and quality of accessibility statements
plugin-pagenotfound	Useful 404 page handling
plugin-standard-files	Looking for robots.txt, sitemaps, etc

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🧪 Try it yourself

• 📓 Do-It-Yourself — Jupyter notebooks for hands-on webperf and web analytics tasks
• 🌍 Test your own site — get a free Webperf report within an hour
• 📊 Browse public reports covering Swedish public sector, banks, media, e-commerce and more

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🤝 Contributing

We welcome contributions of all sizes — bug reports, doc fixes, new checks, translations, or whole new plugins.

1. Pick a repo above
2. Read its README.md and have a look at open issues
3. Open a PR — we're happy to help you land it

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🌐 Stay in touch

• 🇸🇪 Website: webperf.se — also available in 🇩🇰 🇳🇴 🇫🇮 🇮🇸 🇬🇧
• ✉️ Newsletter · RSS
• 🐘 Mastodon
• 💼 LinkedIn
• 💬 Slack community

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_{Webperf · Sweden · Evaluating the Swedish web since 2004}