Websites using HTTP/3

HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.

Learn more at httpwg.org.

Wappalyzer tracks at least 5,000,000 websites using HTTP/3. Find top HTTP/3 websites, and build a filtered list of companies using HTTP/3.

Top websites using HTTP/3

These are the most trafficked websites using HTTP/3.

Hostname Traffic Tech spend Country
app.clickup.com Very high Low 🇺🇸
chess.com Very high Very high 🇺🇸
digikala.com Very high Low 🇮🇷
cloudconvert.com Very high Low 🇺🇸
higgsfield.ai Very high Medium 🇺🇸
grok.com Very high Medium 🇺🇸
crunchyroll.com High Medium 🇺🇸
claude.ai Very low 🇺🇸
dash.cloudflare.com Medium 🇺🇸
discord.com High
figma.com Medium 🇺🇸
id.atlassian.com Medium 🇺🇸
cloudflare.com Medium
deepl.com Very low 🇺🇸
app.ahrefs.com Very low 🇺🇸
huggingface.co Very low 🇺🇸
ahrefs.com Very low 🇺🇸
claude.com Medium 🇺🇸
mercadolivre.com.br Very low 🇧🇷
jobs.ashbyhq.com
status.claude.com Medium 🇺🇸
platform.claude.com Medium 🇺🇸
bbc.com High 🇸🇪
shopee.com.br Very low 🇧🇷
cdn.discordapp.com
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Where is HTTP/3 used?

A breakdown of countries and languages across the websites where Wappalyzer detects HTTP/3.

Countries

United States (75%)
Brazil (8%)
Canada (6%)
Australia (4%)
Sweden (2%)
Singapore (1%)
Cocos (Keeling) Islands (1%)
Germany (1%)
Iran, Islamic Republic of (1%)
India (1%)

Languages

English (69%)
Portuguese (12%)
Spanish (8%)
French (4%)
German (2%)
Turkish (1%)
Japanese (1%)
Chinese (1%)
Arabic (1%)
Italian (1%)

What kinds of companies use HTTP/3?

Top industries and company sizes across the websites where Wappalyzer detects HTTP/3.

Industries

Computer Related Services, Nec (22%)
Custom Computer Programming Services (15%)
Eating Places (11%)
Advertising Agencies (10%)
Single-Family Housing Construction (8%)
Department Stores (8%)
Real Estate Agents and Managers (7%)
Insurance Agents, Brokers, and Service (7%)
Business Consulting, Nec (6%)
Hotels and Motels (6%)

Company sizes

2-10 employees (61%)
11-50 employees (20%)
51-200 employees (12%)
201-500 employees (3%)
501-1,000 employees (2%)
1,001-5,000 employees (1%)
10,001+ employees (1%)
5,001-10,000 employees (0%)
0-1 employees (0%)
0 (0%)

Top alternatives to HTTP/3

The largest alternative technologies in the same category, ranked by detected websites.

Technology Websites
Open Graph
at least 5,000,000
RSS
at least 5,000,000
PWA
4,000,000
Popper
1,700,000
HTTP/2
1,500,000
Webpack
1,300,000
Babel
490,000
Prism
300,000
Vite
290,000
LottieFiles
280,000

Start with a list template

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Companies in United States

Find HTTP/3 companies located in United States.

Companies in United Kingdom

Find HTTP/3 companies located in United Kingdom.

Companies with emails and phone numbers

Prioritize HTTP/3 websites with both contact types available.

Top 5,000 websites by traffic

Start with the highest-traffic HTTP/3 websites in the dataset.

Websites with a .com domain

Limit results to HTTP/3 websites on .com domains.

5,000 low-traffic websites

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