How many companies use HSTS vs Mailcheck?

216,584 companies use HSTS and 1,732 companies use Mailcheck in our database. HSTS is more widely adopted with 125.0x more companies than Mailcheck.

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

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.

HSTS is used by 216,584companies — 125.0x more than Mailcheck (1,732).

216,584 use HSTS1,732 use Mailcheck

	HSTS	Mailcheck
Companies	216,584	1,732
Category	Security	JavaScript libraries

Get the full comparison

218,316 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=hsts

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