How many companies use HTTP/3 vs OpenSSL?

199,043 companies use HTTP/3 and 3,998 companies use OpenSSL in our database. HTTP/3 is more widely adopted with 49.8x more companies than OpenSSL.

Can I get a list of companies using both HTTP/3 and OpenSSL?

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.

HTTP/3 is used by 199,043companies — 49.8x more than OpenSSL (3,998).

199,043 use HTTP/33,998 use OpenSSL

	HTTP/3	OpenSSL
Companies	199,043	3,998
Category	Miscellaneous	Web server extensions

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203,041 companies with emails, tech stacks, and contacts

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GET /api/v1/tech?name=http-3

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