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Websites using HTTP/3

918,400 websites detected · Updated Oct 24, 2026

What is HTTP/3?

HTTP/3 is a technology in the Web Servers category. 918,400 websites use HTTP/3, detected by Hunter on Oct 24, 2026.

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The websites using HTTP/3

A sample of the websites Hunter detects HTTP/3 on, ordered by web popularity.

Domain name Industry
1
messenger.com
- 20 email addresses
2
wordpress.org
Technology, Information and Internet 172 email addresses
3
cloudflare.com
Computer and Network Security 393 email addresses
4
cdnjs.com
IT Services and IT Consulting 2 email addresses
5
adobe.com
Software Development 82,629 email addresses
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You have 918,400 sites. Now reach the people.

Hunter already holds email addresses at all 50 websites listed above.

  • Matthew M. · Entrepreneur WordPress

    99%

  • Anish P. · Head Of Sales Cloudflare

    84%

  • Ryan K. · Co-Founder Cdnjs

    99%

Real people at the websites listed above. Only the part before the @ is hidden here — the company domain is the real one.

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Who uses HTTP/3

Websites running HTTP/3, counted by industry and by country. Only the largest groups are shown.

By industry

Industry Websites
Professional Services 88,066
Technology, Information and Media 66,086
Manufacturing 42,308
Retail 30,981
Consumer Services 29,572
Entertainment Providers 26,539
Hospitals and Health Care 21,524
Accommodation Services 18,697
Education 16,860
Administrative and Support Services 16,067
Financial Services 15,790
Construction 11,361

By country

Country Websites
United States 249,387
United Kingdom 53,072
Canada 32,366
France 20,946
Australia 19,723
Germany 17,229
Netherlands 16,279
India 14,827
Poland 13,319
Brazil 11,851
Spain 10,346
Denmark 8,459

HTTP/3 by country

The countries where we detected enough HTTP/3 websites to rank them.

HTTP/3 FAQs

Browse every technology

Hunter detects HTTP/3 on 918,400 websites. The figure comes from Hunter's own crawl of company websites and is rebuilt every night, so it moves as sites adopt and drop the technology.

The table on this page is a sample of the websites running HTTP/3, ordered by web popularity, with the industries they are in and how many email addresses Hunter holds for each. Create a free account to search any of them and see the addresses.

The websites Hunter detects HTTP/3 on most often also run PHP, jQuery and Cloudflare.

HTTP/3 is one of the Web Servers technologies Hunter tracks. Others it detects widely include Nginx, Apache HTTP Server and LiteSpeed.

Yes — that is what Hunter is for. The last column of the table shows how many email addresses Hunter already holds for a website, where it has found any. Sign up to see the addresses themselves, with the name and job title of the person behind each one.
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