Websites Using H2O

H2O is a fast and secure HTTP/2 server written in C by Kazuho Oku.

Categories: Web server

Official website: https://github.com/h2o/h2o

3 websites using H2O

• greenjobs.de
• wikimedia-dns.org
• mourjan.com

H2O is ranked #35 of 94 in Web server by website adoption.

Web server alternatives ranked by popularity

1. Nginx — 73,188 websites
2. Apache HTTP Server — 43,010 websites
3. Apache — 41,888 websites
4. LiteSpeed — 11,970 websites
5. IIS — 7,588 websites
6. OpenResty — 4,300 websites
7. Caddy — 782 websites
8. Tengine — 698 websites
9. Google Web Server — 645 websites
10. Kestrel — 516 websites

Technologies commonly used with H2O

• C — 100% co-occurrence
• HSTS — 100% co-occurrence

H2O is an open source project with 11,412 stars and 879 forks on GitHub. Written in C. Licensed under MIT. Latest release: tag-no-more-releases.

How WhatStack detects H2O

WhatStack detects H2O by analyzing HTTP headers, HTML source code, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries using signature-based pattern matching across 10 different analyzers.

Frequently Asked Questions

What is H2O?

H2O is a fast and secure HTTP/2 server written in C by Kazuho Oku.

How many websites use H2O?

WhatStack has detected H2O on 3 websites in our database.

How do you detect H2O?

We analyze HTTP headers, HTML source, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries to identify H2O with high accuracy using signature-based pattern matching.