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.
Wappalyzer tracks 5,000,000 live 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 |
|---|---|---|---|
| freepik.com | Very high | High | 🇺🇸 |
| app.clickup.com | Very high | Very low | |
| chess.com | Very high | Very low | |
| code.claude.com | Very high | Very low | |
| flaticon.com | Very high | Very high | |
| higgsfield.ai | Very high | Very low | 🇺🇸 |
| eporner.com | High | Very low | |
| missav.ai | High | Medium | 🇺🇸 |
| crunchyroll.com | High | Medium | |
| chatgpt.com | Medium | 🇺🇸 | |
| claude.ai | Medium | 🇺🇸 | |
| discord.com | Medium | ||
| mercadolivre.com.br | Very low | 🇧🇷 | |
| platform.claude.com | Medium | ||
| deepl.com | Very low | 🇺🇸 | |
| claude.com | Very high | 🇺🇸 | |
| figma.com | Low | 🇺🇸 | |
| app.ahrefs.com | Very low | ||
| mercadolibre.com.ar | Low | 🇦🇷 | |
| dropbox.com | Very low | 🇺🇸 | |
| lista.mercadolivre.com.br | Very low | 🇧🇷 | |
| developers.cloudflare.com | Very low | 🇺🇸 | |
| anthropic.com | Medium | 🇺🇸 | |
| support.claude.com | Medium | ||
| bbc.com | Low | 🇸🇪 |
Where is HTTP/3 used?
A breakdown of countries and languages across the websites where Wappalyzer detects HTTP/3.
Countries
Languages
Top alternatives to HTTP/3
The largest alternative technologies in the same category, ranked by detected websites.
| Technology | Websites |
|---|---|
| 5,000,000 | |
| 5,000,000 | |
| 4,000,000 | |
| 1,600,000 | |
| 1,500,000 | |
| 1,400,000 | |
| 600,000 | |
| 390,000 | |
| 350,000 | |
| 300,000 |
Find companies using HTTP/3
Get company and contact details for 5,000,000 HTTP/3 websites, so you can turn research into outreach faster.
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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
Focus on lower-traffic HTTP/3 websites for long-tail prospecting.