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PostHog

PostHog in each crawled group, and in the wider sample. Analytics.

GroupCrawledRunning PostHogShare
Inc 5000 (2026) 4,886 86 1.8%
Y Combinator companies 5,386 688 12.8%
Fortune 500 472 n/a n/a
Unicorns 1,000 15 1.5%
SaaS companies 8,173 57 0.7%
Tranco top 10,000 1,572 8 0.5%
Wider sample 8,291 83 1.0%

Group rows come from rendered homepage crawls; the wider sample is a plain fetch, so it undercounts tools a tag manager injects after the page loads. <5 means fewer than 5 crawled domains in that group. Method · Analytics across all groups · PostHog product analytics array loader or its cloud ingestion host.

Detected by: html posthog.init('phc_ html posthog.init(phc_

Wider sample

PostHog was detected on 83 of 8,291 company websites drawn from Crunchbase company records, companies with 11 to 1,000 employees. The cuts below divide by each segment's own crawled base.

By industry

IndustryCrawledRunning PostHogShare
Artificial Intelligence (AI) 1,631 21 1.3%
Financial Services 548 8 1.5%
Biotechnology 521 0 0.0%
Information Technology 503 6 1.2%
Health Care 420 4 1.0%
Apps 395 5 1.3%
Data and Analytics 373 7 1.9%
Commerce and Shopping 347 5 1.4%
Administrative Services 344 2 0.6%
Energy 294 2 0.7%

By employee size band

Size bandCrawledRunning PostHogShare
11-50 6,249 61 1.0%
51-200 2,042 22 1.1%

By country

CountryCrawledRunning PostHogShare
United States 5,475 56 1.0%
United Kingdom 803 5 0.6%
Canada 480 4 0.8%
Germany 430 3 0.7%
France 422 6 1.4%
Australia 212 4 1.9%
Netherlands 146 3 2.1%
Sweden 84 0 0.0%
Denmark 75 2 2.7%
Finland 68 0 0.0%

Cite this

Installmap, PostHog adoption, crawl of 2026-09-03, https://installmap.com/tools/posthog.

Canonical URL
https://installmap.com/tools/posthog
Denominator
83 of 8,291 crawled company websites in the wider sample, a share of 1.0%

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