Free Website Speed Test
Test any website's speed and Core Web Vitals (LCP, CLS, INP) on mobile and desktop, and get clear, prioritized fixes — not just a number.
What this check analyzes
Core Web Vitals
LCP, CLS, and INP measured against Google's thresholds.
Mobile & desktop
Separate performance scores for both, where most issues hide.
Render-blocking & assets
Heavy images, fonts, and scripts slowing your first paint.
Prioritized fixes
The specific changes with the biggest speed payoff, ranked.
Every check runs a complete Webmatik audit — so alongside performance, you also get performance, SEO, GEO, conversion, UX, accessibility, and security, all in one Growth Score.
Frequently asked questions
Is the speed test free?
Yes — run free website speed tests every month, no credit card required.
What are Core Web Vitals?
Core Web Vitals are Google's user-experience metrics: Largest Contentful Paint (loading), Cumulative Layout Shift (visual stability), and Interaction to Next Paint (responsiveness). They are a confirmed ranking signal.
Does it test mobile and desktop?
Yes. Webmatik reports performance for both mobile and desktop, since they often score very differently.
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