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dc.js adoption & performance trends

2 quarters of aggregate data

Unique domains per quarter

dc.js -- Unique domains per quarterdc.js -- Unique domains per quarter017.935.853.671.5Q2 '26Q3 '26

Median composite score

dc.js -- Median composite scoredc.js -- Median composite score0255075100Q2 '26Q3 '26

Median Lighthouse performance

dc.js -- Median Lighthouse performancedc.js -- Median Lighthouse performance0255075100Q2 '26Q3 '26

Median Lighthouse accessibility

dc.js -- Median Lighthouse accessibilitydc.js -- Median Lighthouse accessibility0255075100Q2 '26Q3 '26

How this is calculated

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

Learn more about our methodology →

Raw data

QuarterUnique domainsCompositePerformanceAccessibility
Q2 '2665733788
Q3 '263824793