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Site Kit adoption & performance trends

2 quarters of aggregate data

Unique domains per quarter

Site Kit -- Unique domains per quarterSite Kit -- Unique domains per quarter011.322.633.845.1Q2 '26Q3 '26

Median composite score

Site Kit -- Median composite scoreSite Kit -- Median composite score0255075100Q2 '26Q3 '26

Median Lighthouse performance

Site Kit -- Median Lighthouse performanceSite Kit -- Median Lighthouse performance0255075100Q2 '26Q3 '26

Median Lighthouse accessibility

Site Kit -- Median Lighthouse accessibilitySite Kit -- Median Lighthouse accessibility0255075100Q2 '26Q3 '26

How this is calculated

Each point is the median across all public Site Kit audits completed that quarter. Quarters with fewer than 3 audits are skipped.

Learn more about our methodology →

Raw data

QuarterUnique domainsCompositePerformanceAccessibility
Q2 '2641775290
Q3 '268814284