Measure what actually slows your site down
Lighthouse audits, Core Web Vitals, CDN detection, and filmstrip capture. Real Chromium rendering, not synthetic estimates.
How it works
Enter your website
Paste any URL and choose desktop, mobile, or both. Set connection speed and device profiles to match your real users.
Deep performance analysis
We load your page in a real browser, measure every metric Google cares about, and audit your code for speed issues.
Actionable recommendations
Get a prioritized list of exactly what to fix, how much faster it will make your site, and track improvements over time.
What you get
Real browser testing
Your page loads in a real browser, just like your visitors experience it
Mobile + Desktop
Test on iPhone, Pixel, Galaxy and desktop with accurate screen sizes
Performance history
Track your scores over time, compare scans, and catch regressions early
CDN & caching detection
Automatically identify Cloudflare, Fastly, Akamai and caching configuration
Core Web Vitals
The exact metrics Google uses for search rankings: LCP, CLS, and more
Visual loading timeline
See exactly what your visitors see as your page loads, frame by frame