Core Web Vitals
Google's three core page experience metrics — LCP (loading speed), CLS (visual stability), and INP (interaction responsiveness)
#Core Web Vitals#LCP#CLS#INP#page speed#web performance
What are Core Web Vitals?
Core Web Vitals are the three page experience metrics defined by Google that quantify real-user loading speed, visual stability, and interaction responsiveness.
The Three Metrics
| Metric | Meaning | Good Threshold |
|---|---|---|
| LCP (Largest Contentful Paint) | Time until the largest content element is visible | ≤ 2.5 seconds |
| CLS (Cumulative Layout Shift) | How much the layout shifts unexpectedly during load | ≤ 0.1 |
| INP (Interaction to Next Paint) | Time for the page to visually respond to user input | ≤ 200 ms |
Relationship to AI Visibility
Core Web Vitals are measured as part of the AI Infra pillar in trensee AIVS. Slow pages risk timing out AI crawlers before they finish collecting content, leading to incomplete indexing.
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