Analyze real-world mobile and desktop loading performance with actionable diagnostic recommendations from Google Lighthouse.
Tests URLs using automated Chrome Lighthouse audits and aggregates Chrome User Experience Report (CrUX) field data to evaluate LCP, INP, CLS, and FCP.
Diagnosing slow web pages, improving SEO rankings, identifying render-blocking scripts, and verifying performance fixes before launch.
Ranked by feature completeness, privacy safety, and ease of use.
Smart lossy compression for WebP, PNG, and JPEG images.
TinyPNG uses smart lossy compression techniques to drastically reduce the file size of your WEBP, JPEG, and PNG images with zero visible quality loss.
Up-to-date browser compatibility tables for modern HTML, CSS, and JS APIs.
Can I Use provides up-to-date browser support tables for front-end web technologies across desktop and mobile web browsers.
Audit website performance, Core Web Vitals, and mobile user experience.
Google PageSpeed Insights analyzes web page performance using Lighthouse lab data and real-world Chrome User Experience Report (CrUX) field telemetry.
Free technical SEO site audits, backlink reports, and keyword rankings.
Ahrefs Webmaster Tools gives website owners free access to technical SEO audits, broken link detection, organic keyword tracking, and backlink data.
Common questions and practical advice for completing this task.
A score of 90–100 is considered Good (green). However, passing the 75th percentile of real-world Core Web Vitals (CrUX) is what matters most for SEO ranking.
Shrink PNG, JPEG, WebP, and AVIF file sizes by 60%–80% to speed up website load times and improve Core Web Vitals.
Convert legacy image formats to next-generation WebP and AVIF formats recommended by Google Lighthouse for maximum speed.
Look up cross-browser support tables for modern web platform features across Chrome, Safari, Firefox, iOS, and Android.
Create SEO meta tags and preview exactly how your web links will look when shared on Google, Twitter/X, Facebook, LinkedIn, and Discord.