Core Web Vitals
Core Web Vitals are Google's set of user experience metrics: Largest Contentful Paint, Interaction to Next Paint and Cumulative Layout Shift.
Why it matters
They are a ranking input and, more importantly, they decide whether a mobile visitor stays.
How it is measured
Read field data in Search Console or the Chrome UX Report, not lab data from a single Lighthouse run.
Checks that involve core web vitals
Related terms
Questions
What is core web vitals?
Core Web Vitals are Google's set of user experience metrics: Largest Contentful Paint, Interaction to Next Paint and Cumulative Layout Shift.
Why does core web vitals matter?
They are a ranking input and, more importantly, they decide whether a mobile visitor stays.
How is core web vitals measured?
Read field data in Search Console or the Chrome UX Report, not lab data from a single Lighthouse run.