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Websites using HTTP/3

890,958 websites detected · Updated Oct 4, 2026

What is HTTP/3?

HTTP/3 is a technology in the Web Servers category. Hunter detects it on 890,958 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 78,832 email addresses
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You have 890,958 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 83,054
Technology, Information and Media 62,420
Manufacturing 39,286
Retail 27,816
Consumer Services 27,115
Entertainment Providers 24,741
Hospitals and Health Care 19,946
Accommodation Services 17,371
Education 15,348
Administrative and Support Services 15,065
Financial Services 14,800
Construction 10,323

By country

Country Websites
United States of America 241,696
United Kingdom of Great Britain and Northern Ireland 51,469
Canada 31,613
France 20,472
Australia 17,604
Germany 16,431
Netherlands 15,787
India 13,898
Poland 12,880
Brazil 11,194
Spain 9,794
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 890,958 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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