How many companies use Cloudflare vs IIS?

10,177 companies use Cloudflare and 4,296 companies use IIS in our database. Cloudflare is more widely adopted with 2.4x more companies than IIS.

Can I get a list of companies using both Cloudflare and IIS?

Yes. AgentData tracks companies using both tools. Sign up free to access the full list with emails, tech stacks, and contacts via CSV or API.

Cloudflare is used by 10,177companies — 2.4x more than IIS (4,296).

10,177 use Cloudflare4,296 use IIS

	Cloudflare	IIS
Companies	10,177	4,296
Category	Other	Web servers

Get the full comparison

14,473 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=cloudflare

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