Google SEO
May 2020 — web.dev · NitroPack
What are the Core Web Vitals?
Three performance measures: LCP for loading the largest element, FID and later INP for responsiveness, and CLS for visual stability. They became a technical foundation of page experience.
Further analysis
Use this entry as an audit checkpoint. The cited source establishes the context; the direct answer identifies what to check before choosing an action.
In SFT, this topic relates to Structure. Check whether the signal is visible on the page, connected to the rest of the website and supported by understandable evidence.
Related search terms include Core Web Vitals, LCP, FID, CLS. Use them to describe the issue in a brief, audit or answer page.
Applying SFT
Structure turns a rule into readable architecture: headings, URLs, structured data, visible content and clear hierarchy.