How many companies use HTTP/3 vs Marketo?

199,043 companies use HTTP/3 and 4,911 companies use Marketo in our database. HTTP/3 is more widely adopted with 40.5x more companies than Marketo.

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

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 — 40.5x more than Marketo (4,911).

199,043 use HTTP/34,911 use Marketo

	HTTP/3	Marketo
Companies	199,043	4,911
Category	Miscellaneous	Other

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203,954 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

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

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