How many companies use Cloudflare vs HSTS?

363,303 companies use Cloudflare and 79,555 companies use HSTS in our database. Cloudflare is more widely adopted with 4.6x more companies than HSTS.

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

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 363,303companies — 4.6x more than HSTS (79,555).

363,303 use Cloudflare79,555 use HSTS

	Cloudflare	HSTS
Companies	363,303	79,555
Category	Other	Security

Get the full comparison

442,858 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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