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AOS adoption & performance trends

2 quarters of aggregate data

Unique domains per quarter

AOS -- Unique domains per quarterAOS -- Unique domains per quarter017.334.65269.3Q2 '26Q3 '26

Median composite score

AOS -- Median composite scoreAOS -- Median composite score0255075100Q2 '26Q3 '26

Median Lighthouse performance

AOS -- Median Lighthouse performanceAOS -- Median Lighthouse performance0255075100Q2 '26Q3 '26

Median Lighthouse accessibility

AOS -- Median Lighthouse accessibilityAOS -- Median Lighthouse accessibility0255075100Q2 '26Q3 '26

How this is calculated

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

Learn more about our methodology →

Raw data

QuarterUnique domainsCompositePerformanceAccessibility
Q2 '2663734190
Q3 '263804891