Speed & Performance

Page speed, Core Web Vitals and mobile-friendliness testing. 5 free tools in this category.

Page Speed Analyzer

Test any URL with Google PageSpeed Insights and get scored, prioritized fixes.

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Core Web Vitals Monitor

Check real-user LCP, INP and CLS from the Chrome UX Report for any URL or origin.

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Mobile-Friendliness Checker

Audit viewport, tap targets, font sizes and responsive behavior of any page.

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Image Compressor & WebP Converter

Compress JPG/PNG images and convert to WebP in your browser — no upload, no limits.

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Website Page Size Checker

Measure a page’s total weight and see which resources — images, scripts, CSS — are heaviest.

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