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Highlight.js adoption & performance trends

2 quarters of aggregate data

Unique domains per quarter

Highlight.js -- Unique domains per quarterHighlight.js -- Unique domains per quarter07.715.423.130.8Q2 '26Q3 '26

Median composite score

Highlight.js -- Median composite scoreHighlight.js -- Median composite score0255075100Q2 '26Q3 '26

Median Lighthouse performance

Highlight.js -- Median Lighthouse performanceHighlight.js -- Median Lighthouse performance0255075100Q2 '26Q3 '26

Median Lighthouse accessibility

Highlight.js -- Median Lighthouse accessibilityHighlight.js -- Median Lighthouse accessibility0255075100Q2 '26Q3 '26

How this is calculated

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

Learn more about our methodology →

Raw data

QuarterUnique domainsCompositePerformanceAccessibility
Q2 '2628734785
Q3 '263816480