Google PageSpeed Insights
Audit website performance, Core Web Vitals, and mobile user experience.
100% Free with Google Cloud API quotas.
What is Google PageSpeed Insights?
Maintained by Google, PageSpeed Insights is the definitive web performance audit tool. It evaluates Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS) on both mobile and desktop. It provides actionable diagnostic recommendations to eliminate render-blocking resources, defer unused CSS/JS, and optimize images.
Technical Specifications
Editorial Assessment
- Official Google metric used directly in search ranking evaluations
- Separates real-world field metrics from synthetic lab audits
- Detailed code-level opportunities to save kilobytes and milliseconds
- Low-traffic URLs will not have real-world CrUX field data available
Supported Tasks & Workflows
Alternative SEO & Performance
Third-party cloud image compression service for WebP, PNG, and JPEG formats by Voormedia.
Google Chrome Labs open-source in-browser image compression and format converter.
Advanced web raster & vector graphics editor supporting PSD, AI, and Sketch files with complete Photoshop features.