Rate your LCP, INP and CLS against Google official Core Web Vitals thresholds. Runs in the browser.
A tiny 100% client-side bundle size estimator: raw + real gzip size (via CompressionStream), brotli estimate and load times. No backend, no tracking. Live demo in 6 languages.
See which Lighthouse metric is actually costing you the points. Exact log-normal scoring curve, weighted contributions, and points-to-gain per metric.