Cloudflare
Cloudflare in each crawled group, and in the wider sample. Hosting and CDN.
| Group | Crawled | Running Cloudflare | Share |
|---|---|---|---|
| Inc 5000 (2026) | 4,886 | 2,699 | 55.2% |
| Y Combinator companies | 5,386 | 2,207 | 41.0% |
| Fortune 500 | 472 | 143 | 30.3% |
| Unicorns | 1,000 | 483 | 48.3% |
| SaaS companies | 8,173 | 3,982 | 48.7% |
| Tranco top 10,000 | 1,572 | 466 | 29.6% |
| Wider sample | 8,291 | 4,159 | 50.2% |
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 · Hosting and CDN across all groups · Traffic served through Cloudflare, identified by its server header, ray id and bot cookie.
Detected by:
header server: cloudflare header cf-ray
Wider sample
Cloudflare was detected on 4,159 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
| Industry | Crawled | Running Cloudflare | Share |
|---|---|---|---|
| Artificial Intelligence (AI) | 1,631 | 851 | 52.2% |
| Financial Services | 548 | 286 | 52.2% |
| Biotechnology | 521 | 216 | 41.5% |
| Information Technology | 503 | 271 | 53.9% |
| Health Care | 420 | 211 | 50.2% |
| Apps | 395 | 198 | 50.1% |
| Data and Analytics | 373 | 203 | 54.4% |
| Commerce and Shopping | 347 | 196 | 56.5% |
| Administrative Services | 344 | 197 | 57.3% |
| Energy | 294 | 146 | 49.7% |
By employee size band
| Size band | Crawled | Running Cloudflare | Share |
|---|---|---|---|
| 11-50 | 6,249 | 2,980 | 47.7% |
| 51-200 | 2,042 | 1,179 | 57.7% |
By country
| Country | Crawled | Running Cloudflare | Share |
|---|---|---|---|
| United States | 5,475 | 2,847 | 52.0% |
| United Kingdom | 803 | 403 | 50.2% |
| Canada | 480 | 230 | 47.9% |
| Germany | 430 | 204 | 47.4% |
| France | 422 | 174 | 41.2% |
| Australia | 212 | 99 | 46.7% |
| Netherlands | 146 | 56 | 38.4% |
| Sweden | 84 | 34 | 40.5% |
| Denmark | 75 | 40 | 53.3% |
| Finland | 68 | 30 | 44.1% |
Cite this
Installmap, Cloudflare adoption, crawl of 2026-09-03, https://installmap.com/tools/cloudflare.
Related tools in this category
- jsDelivr 13.8%
- Nginx 12.0%
- Vercel 8.0%
- WP Engine 7.5%
- Amazon CloudFront 6.4%
- Apache HTTP Server 6.2%
- Fastly 5.4%
- unpkg 4.2%