Term in plain language

Core Web Vitals

A set of Google field metrics for page loading, responsiveness and visual stability.

What it means

LCP, INP and CLS describe the experience of real visitors across different devices and connections.

Field data reveals problems that a laboratory test on one fast computer may fail to reproduce.

A report compares the 75th percentile of LCP, INP and CLS over time instead of relying on one Lighthouse run.

Related terms

A website review that connects an issue to a URL, priority and a repeatable acceptance check.

Adding a processed page to the search-engine database used to build search results.

Automated exploration of accessible URLs and links by a search crawler.