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Fathom Analytics

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

GroupCrawledRunning Fathom AnalyticsShare
Inc 5000 (2026) 4,886 12 0.2%
Y Combinator companies 5,386 16 0.3%
Fortune 500 472 n/a n/a
Unicorns 1,000 5 0.5%
SaaS companies 8,173 22 0.3%
Tranco top 10,000 1,572 n/a n/a
Wider sample 8,291 14 0.2%

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 · Fathom Analytics script loaded from its CDN with a data-site attribute.

Detected by: script cdn.usefathom.com/script.js

Wider sample

Fathom Analytics was detected on 14 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 Fathom AnalyticsShare
Artificial Intelligence (AI) 1,631 2 0.1%
Financial Services 548 0 0.0%
Biotechnology 521 1 0.2%
Information Technology 503 2 0.4%
Health Care 420 1 0.2%
Apps 395 0 0.0%
Data and Analytics 373 0 0.0%
Commerce and Shopping 347 0 0.0%
Administrative Services 344 1 0.3%
Energy 294 1 0.3%

By employee size band

Size bandCrawledRunning Fathom AnalyticsShare
11-50 6,249 14 0.2%
51-200 2,042 0 0.0%

By country

CountryCrawledRunning Fathom AnalyticsShare
United States 5,475 8 0.1%
United Kingdom 803 2 0.2%
Canada 480 1 0.2%
Germany 430 1 0.2%
France 422 0 0.0%
Australia 212 0 0.0%
Netherlands 146 0 0.0%
Sweden 84 0 0.0%
Denmark 75 1 1.3%
Finland 68 0 0.0%

Cite this

Installmap, Fathom Analytics adoption, crawl of 2026-09-03, https://installmap.com/tools/fathom.

Canonical URL
https://installmap.com/tools/fathom
Denominator
14 of 8,291 crawled company websites in the wider sample, a share of 0.2%

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