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PostHog adoption & performance trends

2 quarters of aggregate data

Unique domains per quarter

PostHog -- Unique domains per quarterPostHog -- Unique domains per quarter016.232.548.764.9Q2 '26Q3 '26

Median composite score

PostHog -- Median composite scorePostHog -- Median composite score0255075100Q2 '26Q3 '26

Median Lighthouse performance

PostHog -- Median Lighthouse performancePostHog -- Median Lighthouse performance0255075100Q2 '26Q3 '26

Median Lighthouse accessibility

PostHog -- Median Lighthouse accessibilityPostHog -- Median Lighthouse accessibility0255075100Q2 '26Q3 '26

How this is calculated

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

Learn more about our methodology →

Raw data

QuarterUnique domainsCompositePerformanceAccessibility
Q2 '2659743788
Q3 '262898698