How many companies use HTTP/3 vs Marketo?

62,220 companies use HTTP/3 and 107 companies use Marketo in our database. HTTP/3 is more widely adopted with 581.5x 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 62,220companies — 581.5x more than Marketo (107).

62,220 use HTTP/3107 use Marketo

	HTTP/3	Marketo
Companies	62,220	107
Category	Miscellaneous	Marketing

Get the full comparison

62,327 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

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

AgentData picks

DragApp

AI-powered shared inbox, help desk, and team collaboration — inside Gmail. 200K+ users.

HeyHelp

AI email assistant inside Gmail. Drafts, sorts, follows up.

Oneway

All-in-one customer platform — live chat, email, automations, changelogs & roadmaps with AI.

Access technology comparison data programmatically via REST API or MCP.