Core Web Vitals in Detail
Since Google introduced Core Web Vitals as a ranking factor, these metrics are relevant for every website owner. The three key metrics, LCP, INP and CLS, measure different aspects of user experience. The following questions explain what lies behind the abbreviations, which thresholds apply and how improvements concretely affect Google rankings.
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- What are Core Web Vitals and why are they important? Core Web Vitals are three Google-defined metrics that measure the user experience from different angles. LCP (Largest Contentful Paint) captures how quickly the largest visible…
- What thresholds apply for good Core Web Vitals? Google divides each metric into three tiers. LCP is good below 2.5 seconds, needs improvement between 2.5 and 4.0 seconds and is poor above that. INP is good below 200…
- How strongly do Core Web Vitals affect Google rankings? Core Web Vitals are a confirmed ranking factor, but one among many. Google has repeatedly emphasized that content relevance remains by far the strongest signal. So a page sitting…
- What is the relationship between INP and the former FID metric? INP (Interaction to Next Paint) replaced the older FID (First Input Delay) metric as a Core Web Vital in March 2024. FID measured only the delay of the very first interaction, and…
- Why is my CLS value poor even though the page loads quickly? CLS measures something entirely different from loading speed, namely visual stability. A page can load lightning-fast and still have a poor CLS value if elements keep jumping…
- How do I improve my website's LCP value? LCP is the sum of four phases. First, the server response time (TTFB), reduced through optimized hosting, caching and, where appropriate, a CDN. Second, render-blocking resources…