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ZURB Foundation adoption & performance trends

2 quarters of aggregate data

Unique domains per quarter

ZURB Foundation -- Unique domains per quarterZURB Foundation -- Unique domains per quarter025.651.176.7102.3Q2 '26Q3 '26

Median composite score

ZURB Foundation -- Median composite scoreZURB Foundation -- Median composite score0255075100Q2 '26Q3 '26

Median Lighthouse performance

ZURB Foundation -- Median Lighthouse performanceZURB Foundation -- Median Lighthouse performance0255075100Q2 '26Q3 '26

Median Lighthouse accessibility

ZURB Foundation -- Median Lighthouse accessibilityZURB Foundation -- Median Lighthouse accessibility0255075100Q2 '26Q3 '26

How this is calculated

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

Learn more about our methodology →

Raw data

QuarterUnique domainsCompositePerformanceAccessibility
Q2 '2693723887
Q3 '264796181