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A slow site costs you visitors, sales and Google visibility. Teste.no measures your page speed against Google’s Core Web Vitals and gives you a prioritized list of what’s slowing you down — and how to fix it.
LCP, CLS and INP measured the way Google does — the same numbers that affect your ranking.
Server response time (TTFB) with p50/p95 so you see whether slow responses hit real visitors.
Find oversized images, legacy formats and missing lazy-loading — often the fastest win.
Not just a score: a prioritized list of what to fix first, with expected impact.
The speed test runs several specialized checks and rolls them into one performance score.
Yes. You can test any public website for free, no sign-up required. Continuous monitoring needs an account.
Core Web Vitals are Google’s measure of perceived performance: LCP (loading), CLS (visual stability) and INP (interaction responsiveness). They affect both user experience and Google ranking.
The most common causes are oversized images, slow server responses, too many third-party scripts and missing caching. The test pinpoints which apply to you.
Yes. With an account, Teste.no runs the speed tests automatically and alerts you when performance drops.
The free test gives you a snapshot. With an account, Teste.no runs the tests automatically and alerts you before slow pages cost you visitors.
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