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jQuery Migrate adoption & performance trends

2 quarters of aggregate data

Unique domains per quarter

jQuery Migrate -- Unique domains per quarterjQuery Migrate -- Unique domains per quarter0100.4200.8301.1401.5Q2 '26Q3 '26

Median composite score

jQuery Migrate -- Median composite scorejQuery Migrate -- Median composite score0255075100Q2 '26Q3 '26

Median Lighthouse performance

jQuery Migrate -- Median Lighthouse performancejQuery Migrate -- Median Lighthouse performance0255075100Q2 '26Q3 '26

Median Lighthouse accessibility

jQuery Migrate -- Median Lighthouse accessibilityjQuery Migrate -- Median Lighthouse accessibility0255075100Q2 '26Q3 '26

How this is calculated

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

Learn more about our methodology →

Raw data

QuarterUnique domainsCompositePerformanceAccessibility
Q2 '26365744487
Q3 '2610805788