How many companies use HTTP/3 vs Quantum Metric?

199,043 companies use HTTP/3 and 66 companies use Quantum Metric in our database. HTTP/3 is more widely adopted with 3015.8x more companies than Quantum Metric.

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

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 Quantum Metric

HTTP/3 is used by 199,043companies — 3015.8x more than Quantum Metric (66).

199,043 use HTTP/366 use Quantum Metric

Side-by-side comparison

	HTTP/3	Quantum Metric
Companies	199,043	66
Category	Miscellaneous	Analytics

Company adoption

Top companies using Quantum Metric

Napapijri FW26napapijri.com

SKINTOTOlecarreau.net

MUSIK4Dredpepperindianrestaurant.com

KENZO188carpentersarmsslapton.co.uk

WIN88laconchitahotel.com

Get the full comparison

199,109 companies with emails, tech stacks, and contacts

Start free →

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.

Try DragApp free →

HeyHelp

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

Try HeyHelp free →

Oneway

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

Try Oneway →

Related comparisons

Google Tag Manager vs HTTP/3Compare →Google Tag Manager vs Quantum MetricCompare →Cloudflare vs HTTP/3Compare →Cloudflare vs Quantum MetricCompare →Google Analytics vs HTTP/3Compare →Google Analytics vs Quantum MetricCompare →

View individually

Companies using HTTP/3→

Companies using Quantum Metric→

Frequently asked questions

Need this data via API?

Access technology comparison data programmatically via REST API or MCP.

API docs →