sitespeed.io — quelloffenes Messen und Überwachen der Web-Performance
web-performance-testing.com
LaunchIndex first observed sitespeed.io — quelloffenes Messen und Überwachen der Web-Performance (web-performance-testing.com) live on 26 August 2026. View its launch screenshot, category, technologies, and verification evidence.
A launch record built from evidence.
sitespeed.io — quelloffenes Messen und Überwachen der Web-Performance (web-performance-testing.com) was first observed live on 26 August 2026.
Sitespeed.io is an open-source tool that runs a real browser to load pages and produce an HTML report with Core Web Vitals, visual metrics, video, HAR, and performance dashboards. It can run in CI or locally and is MIT-licensed.
Its profile is classified as Developer tool within Technology / Developer tools. Verification detected Google Analytics.
What the launch signal contained.
- First observed live
- Previous state
- No prior non-live observation
- Last verified
- Canonical host
- web-performance-testing.com
- Category
- Technology / Developer tools
- Website type
- Developer tool
- Observed title
- sitespeed.io — quelloffenes Messen und Überwachen der Web-Performance
- Observed description
- sitespeed.io steuert einen echten Browser, lädt Ihre Seite und schreibt einen HTML-Bericht: Core Web Vitals, visuelle Metriken, Video, das HAR-Wasserfalldiagramm und die Hinweise des Coach — dazu Überwachung über Graphite/Grafana und Budgets in der CI. Quelloffen, MIT.
- Detected technologies
- Google Analytics
- Screenshot captured
- Evidence source
- Browser observation · Local
- Evidence confidence
- 93%
- HTTP status
- 200
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