AI & the web
Core Web Vitals
Metrics concerning loading performance, responsiveness and visual stability of web pages.
In everyday use
A site checks whether its main content loads promptly and its layout stays steady.
What to keep in mind
Strong performance helps user experience but does not guarantee a search ranking.
Also searched as: CWV
Further reading
Original explanation and example by Perspectism. Further reading may cover the wider subject, rather than this exact wording. Edition updated 7 October 2026.
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