web-vitals adoption & performance trends
2 quarters of aggregate data
Unique domains per quarter
Median composite score
Median Lighthouse performance
Median Lighthouse accessibility
How this is calculated
Each point is the median across all public web-vitals audits completed that quarter. Quarters with fewer than 3 audits are skipped.
Learn more about our methodology →Raw data
| Quarter | Unique domains | Composite | Performance | Accessibility |
|---|---|---|---|---|
| Q2 '26 | 144 | 72 | 36 | 89 |
| Q3 '26 | 4 | 80 | 50 | 78 |