The State of Web Vitals

CSS coverage (used vs unused)

Field data PhoneDesktopAll Scope All sites Q2 2026 edition · All devices field outcomes
Metric LCP INP CLS
No data for CSS coverage (used vs unused) this edition.
Related signals Iframes per page → Image fetchpriority → Responsive image markup → Script coverage (used vs unused) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured