⚡ PageSpeed Auditor
Test loading times, accessibility, SEO, and best practices of your website and receive AI-powered performance recommendations.
Guide & best practices
PageSpeed Check for Core Web Vitals and performance SEO
Get compact Lighthouse/PageSpeed results with prioritized recommendations for faster, more stable pages.
Typical use cases
Use it for SEO audits, launch acceptance, Core Web Vitals monitoring, performance budgets and optimization planning.
How the PageSpeed Check works
The tool uses PageSpeed/Lighthouse data, explains LCP, CLS and TBT, and connects findings with related diagnostics.
Fast-page best practices
Prioritize LCP resources, image sizes, critical CSS, JavaScript weight and caching. Review mobile results carefully.
Frequently asked questions
Which metrics matter for SEO?
LCP, CLS and INP/Core Web Vitals are key, alongside performance, accessibility and SEO scores.
Why do lab and field data differ?
Lab data is reproducible; field data reflects real devices, networks and regions.
How often should I test?
After deployments, before campaigns and regularly for important landing pages.
Which tools complement it?
SEO Validator, Meta Preview and Redirect Checker.