Core Concepts Wiki Entry

Web Vitals

Google's broader set of performance metrics, including but extending beyond Core Web Vitals.

Beyond LCP, INP and CLS, Web Vitals also include First Contentful Paint (FCP), Time to First Byte (TTFB), Total Blocking Time (TBT) and Speed Index. While only Core Web Vitals are direct ranking factors, the wider set provides diagnostic depth for performance optimisation. Tools like web-vitals.js track all metrics from real users.

Related Entries

Core Web Vitals

Google's page experience metrics measuring loading, interactivity and stability.

Largest Contentful Paint (LCP)

A Core Web Vital measuring how long the largest visible element takes to render.

Time to First Byte (TTFB)

The time from a request being made to the first byte of response arriving.

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