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Chart.js adoption & performance trends

2 quarters of aggregate data

Unique domains per quarter

Chart.js -- Unique domains per quarterChart.js -- Unique domains per quarter07.214.321.528.6Q2 '26Q3 '26

Median composite score

Chart.js -- Median composite scoreChart.js -- Median composite score0255075100Q2 '26Q3 '26

Median Lighthouse performance

Chart.js -- Median Lighthouse performanceChart.js -- Median Lighthouse performance0255075100Q2 '26Q3 '26

Median Lighthouse accessibility

Chart.js -- Median Lighthouse accessibilityChart.js -- Median Lighthouse accessibility0255075100Q2 '26Q3 '26

How this is calculated

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

Learn more about our methodology →

Raw data

QuarterUnique domainsCompositePerformanceAccessibility
Q2 '2626723987
Q3 '262836795