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Fastly

Fastly in each crawled group, and in the wider sample. Hosting and CDN.

GroupCrawledRunning FastlyShare
Inc 5000 (2026) 4,886 345 7.1%
Y Combinator companies 5,386 213 4.0%
Fortune 500 472 80 16.9%
Unicorns 1,000 58 5.8%
SaaS companies 8,173 437 5.3%
Tranco top 10,000 1,572 137 8.7%
Wider sample 8,291 445 5.4%

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 · Hosting and CDN across all groups · Traffic served through Fastly, identified by its cache node and request id headers.

Detected by: header x-served-by: cache-

Wider sample

Fastly was detected on 445 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 FastlyShare
Artificial Intelligence (AI) 1,631 72 4.4%
Financial Services 548 22 4.0%
Biotechnology 521 28 5.4%
Information Technology 503 18 3.6%
Health Care 420 31 7.4%
Apps 395 9 2.3%
Data and Analytics 373 25 6.7%
Commerce and Shopping 347 14 4.0%
Administrative Services 344 14 4.1%
Energy 294 24 8.2%

By employee size band

Size bandCrawledRunning FastlyShare
11-50 6,249 347 5.6%
51-200 2,042 98 4.8%

By country

CountryCrawledRunning FastlyShare
United States 5,475 340 6.2%
United Kingdom 803 33 4.1%
Canada 480 26 5.4%
Germany 430 17 4.0%
France 422 12 2.8%
Australia 212 6 2.8%
Netherlands 146 3 2.1%
Sweden 84 3 3.6%
Denmark 75 3 4.0%
Finland 68 1 1.5%

Cite this

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

Canonical URL
https://installmap.com/tools/fastly
Denominator
445 of 8,291 crawled company websites in the wider sample, a share of 5.4%

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