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Websites using HTTP/3

890,951 websites detected · Updated Oct 5, 2026

What is HTTP/3?

HTTP/3 is a technology in the Web Servers category. Hunter detects it on 890,951 websites.

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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 173 email addresses
3
cloudflare.com
Computer and Network Security 389 email addresses
4
cdnjs.com
IT Services and IT Consulting 2 email addresses
5
adobe.com
Software Development 79,037 email addresses
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You have 890,951 sites. Now reach the people.

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

  • Matthew M. · Entrepreneur WordPress

    99%

  • Amanda S. · Director Solutions Cloudflare

    84%

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 83,062
Technology, Information and Media 62,421
Manufacturing 39,284
Retail 27,814
Consumer Services 27,113
Entertainment Providers 24,743
Hospitals and Health Care 19,945
Accommodation Services 17,373
Education 15,346
Administrative and Support Services 15,064
Financial Services 14,800
Construction 10,323

By country

Country Websites
United States of America 241,713
United Kingdom of Great Britain and Northern Ireland 51,475
Canada 31,618
France 20,468
Australia 17,602
Germany 16,433
Netherlands 15,788
India 13,891
Poland 12,876
Brazil 11,197
Spain 9,793
Denmark 8,179

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 890,951 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 MySQL.

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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