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Backbone.js adoption & performance trends

2 quarters of aggregate data

Unique domains per quarter

Backbone.js -- Unique domains per quarterBackbone.js -- Unique domains per quarter015.931.947.863.8Q2 '26Q3 '26

Median composite score

Backbone.js -- Median composite scoreBackbone.js -- Median composite score0255075100Q2 '26Q3 '26

Median Lighthouse performance

Backbone.js -- Median Lighthouse performanceBackbone.js -- Median Lighthouse performance0255075100Q2 '26Q3 '26

Median Lighthouse accessibility

Backbone.js -- Median Lighthouse accessibilityBackbone.js -- Median Lighthouse accessibility0255075100Q2 '26Q3 '26

How this is calculated

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

Learn more about our methodology →

Raw data

QuarterUnique domainsCompositePerformanceAccessibility
Q2 '2658723786
Q3 '263835782