How many companies use Cloudflare vs IIS?

6,881,786 companies use Cloudflare and 298,750 companies use IIS in our database. Cloudflare is more widely adopted with 23.0x 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 vs IIS

Cloudflare is used by 6,881,786companies — 23.0x more than IIS (298,750).

6,881,786 use Cloudflare298,750 use IIS

Side-by-side comparison

	Cloudflare	IIS
Companies	6,881,786	298,750
Category	CDN	Web servers

Company adoption

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7,180,536 companies with emails, tech stacks, and contacts

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API access

GET /api/v1/tech?name=cloudflare

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