How many companies use HTTP/3 vs Varnish?

6,113,433 companies use HTTP/3 and 388,237 companies use Varnish in our database. HTTP/3 is more widely adopted with 15.7x more companies than Varnish.

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

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 vs Varnish

HTTP/3 is used by 6,113,433companies — 15.7x more than Varnish (388,237).

6,113,433 use HTTP/3388,237 use Varnish

Side-by-side comparison

	HTTP/3	Varnish
Companies	6,113,433	388,237
Category	Miscellaneous	Caching

Company adoption

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API access

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