Free Performance Checker

How fast is your website?

Get Core Web Vitals (LCP, FCP, CLS, INP), page weight, and AI-powered recommendations. Free, no login required.

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Find what is slowing you down

Modern web standards — HTTPS, deprecated APIs, source maps, doctype — are the most common culprits behind poor Core Web Vitals. A best-practices audit reveals the underlying issues.

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