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Websites using HTTP/3

925,751 websites detected · Updated Nov 15, 2026

What is HTTP/3?

HTTP/3 is a technology in the Web Servers category. 925,751 websites use HTTP/3, detected by Hunter on Nov 15, 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
- 22 email addresses
2
cloudflare.com
Computer and Network Security 436 email addresses
3
cdnjs.com
IT Services and IT Consulting 1 email address
4
adobe.com
Software Development 86,082 email addresses
5
amazon.com
Software Development 362,311 email addresses
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You have 925,751 sites. Now reach the people.

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

  • Amanda S. · Director Solutions Cloudflare

    84%

  • Ryan K. · Co-Founder Cdnjs

    99%

  • John W. · Co-Founder Adobe

    85%

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 89,374
Technology, Information and Media 67,320
Manufacturing 42,933
Retail 31,435
Consumer Services 29,978
Entertainment Providers 26,885
Hospitals and Health Care 21,768
Accommodation Services 18,928
Education 17,169
Administrative and Support Services 16,297
Financial Services 15,973
Construction 11,468

By country

Country Websites
United States 252,167
United Kingdom 53,625
Canada 32,599
France 21,394
Australia 19,902
Germany 17,756
Netherlands 16,541
India 15,053
Poland 13,615
Brazil 11,995
Spain 10,487
Denmark 8,512

HTTP/3 by country

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

Hunter detects HTTP/3 on 925,751 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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