Skip to content

LazySizes adoption & performance trends

2 quarters of aggregate data

Unique domains per quarter

LazySizes -- Unique domains per quarterLazySizes -- Unique domains per quarter065.7131.4197.2262.9Q2 '26Q3 '26

Median composite score

LazySizes -- Median composite scoreLazySizes -- Median composite score0255075100Q2 '26Q3 '26

Median Lighthouse performance

LazySizes -- Median Lighthouse performanceLazySizes -- Median Lighthouse performance0255075100Q2 '26Q3 '26

Median Lighthouse accessibility

LazySizes -- Median Lighthouse accessibilityLazySizes -- Median Lighthouse accessibility0255075100Q2 '26Q3 '26

How this is calculated

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

Learn more about our methodology →

Raw data

QuarterUnique domainsCompositePerformanceAccessibility
Q2 '26239734487
Q3 '2615804884