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Foundation

Foundation in each crawled group, and in the wider sample. UI Framework.

GroupCrawledRunning FoundationShare
Inc 5000 (2026) 4,886 103 2.1%
Y Combinator companies 5,386 12 0.2%
Fortune 500 472 7 1.5%
Unicorns 1,000 n/a n/a
SaaS companies 8,173 25 0.3%
Tranco top 10,000 1,572 n/a n/a
Wider sample 8,291 25 0.3%

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 · UI Framework across all groups · Zurb Foundation CSS or JS assets loaded from a CDN or a named build.

Detected by: script foundation.min.css script foundation.min.js

Wider sample

Foundation was detected on 25 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 FoundationShare
Artificial Intelligence (AI) 1,631 1 0.1%
Financial Services 548 4 0.7%
Biotechnology 521 3 0.6%
Information Technology 503 0 0.0%
Health Care 420 1 0.2%
Apps 395 0 0.0%
Data and Analytics 373 3 0.8%
Commerce and Shopping 347 0 0.0%
Administrative Services 344 0 0.0%
Energy 294 0 0.0%

By employee size band

Size bandCrawledRunning FoundationShare
11-50 6,249 17 0.3%
51-200 2,042 8 0.4%

By country

CountryCrawledRunning FoundationShare
United States 5,475 20 0.4%
United Kingdom 803 1 0.1%
Canada 480 1 0.2%
Germany 430 0 0.0%
France 422 0 0.0%
Australia 212 0 0.0%
Netherlands 146 1 0.7%
Sweden 84 1 1.2%
Denmark 75 0 0.0%
Finland 68 1 1.5%

Cite this

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

Canonical URL
https://installmap.com/tools/foundation
Denominator
25 of 8,291 crawled company websites in the wider sample, a share of 0.3%

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