Technical SEO — what Google actually has to crawl, render and index
How crawl budget, robots, sitemap, JS rendering, indexing, canonical and Core Web Vitals fit together — the full arc for production sites.
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Core Web Vitals
in Technisches SEO
LCP, INP, CLS und verwandte Performance-Metriken.
Glossary
CLS (Cumulative Layout Shift) Core Web Vitals
CLS measures unexpected layout shifts during page load. A Core Web Vital — "good" is ≤ 0.1 (unitless score).
Core Web Vitals Core Web Vitals
Core Web Vitals are three Google metrics (LCP, INP, CLS) measuring loading speed, interactivity and visual stability of a page — part of the Page Experience signals.
INP (Interaction to Next Paint) Core Web Vitals
INP measures how quickly a page responds to user interactions. A Core Web Vital since March 2024 (replacing FID) — "good" threshold is ≤ 200 ms.
LCP (Largest Contentful Paint) Core Web Vitals
LCP measures when the largest visible element in the viewport finishes loading. Part of Core Web Vitals — the "good" threshold is ≤ 2.5 s.
Encyclopedia
Understanding and Improving Interaction to Next Paint (INP)
What INP measures, why it replaced FID in March 2024, the 200 ms threshold, and the levers against long JavaScript tasks on the main thread.
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Optimizing Largest Contentful Paint (LCP)
LCP measures when the largest visible element loads. Why TTFB and render-blocking resources hold the image back — and which levers actually move it.
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Core Web Vitals — Understanding Lab vs. Field Data
Why the same page shows different numbers in Lighthouse and Search Console — and why only field data counts for rankings.
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Eliminating Cumulative Layout Shift (CLS) — getting visual stability under control
What CLS measures, why under 0.1 is the target, and which levers — image dimensions, font-display, placeholders — reliably remove layout jumps.
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TTFB and the Critical Rendering Path — the Initial Load from Server to First Paint
How TTFB fires the starting gun for LCP and how the browser turns bytes into pixels via the critical rendering path — plus the levers that matter.
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