How many companies use HTTP/3 vs Less?

1,520,619 companies use HTTP/3 and 147 companies use Less in our database. HTTP/3 is more widely adopted with 10344.3x more companies than Less.

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

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 1,520,619companies — 10344.3x more than Less (147).

1,520,619 use HTTP/3147 use Less

	HTTP/3	Less
Companies	1,520,619	147
Category	Miscellaneous	Miscellaneous

Get the full comparison

1,520,766 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

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

From the makers of AgentData

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.