53% of visitors leave if your site takes more than 3 seconds to load. We measure every Core Web Vital and tell you exactly how many visitors you're losing every day.
53%
leave after 3 seconds
2.5s
ideal LCP target
1 in 3
never return after slow load
speed-analyzer — target URL
$
✓ Real Lighthouse data✓ Core Web Vitals✓ Free · Instant