How many companies use HTTP/3 vs PubMatic?

199,043 companies use HTTP/3 and 14 companies use PubMatic in our database. HTTP/3 is more widely adopted with 14217.4x more companies than PubMatic.

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

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 — 14217.4x more than PubMatic (14).

199,043 use HTTP/314 use PubMatic

	HTTP/3	PubMatic
Companies	199,043	14
Category	Miscellaneous	Advertising

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199,057 companies with emails, tech stacks, and contacts

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API access

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

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