Websites using H2O
123 websites in Sockt's data use H2O. H2O is a fast and secure HTTP/2 server written in C by Kazuho Oku.
- Websites
- 123
- Share of sites analysed
- <1%
- Most common TLD
- .nz
- Data from
- Common Crawl CC-MAIN-2026-39
Captured 7 Aug 2026 to 17 Sep 2026
Top H2O websites
The highest-ranked sites using H2O, by site rank. The full list of 123 can be exported in Raq.com once Sockt opens.
By TLD
| TLD | Websites | Share | Bar |
|---|---|---|---|
| .nz | 41 | 33% | |
| .com | 25 | 20% | |
| .jp | 11 | 9% | |
| .net | 10 | 8% | |
| .de | 8 | 7% | |
| .org | 5 | 4% | |
| .at | 2 | 2% | |
| .cz | 2 | 2% | |
| .info | 2 | 2% | |
| .se | 2 | 2% | |
| .accountants | 1 | <1% | |
| .biz | 1 | <1% |
Versions found
| Version | Websites | Share | Bar |
|---|---|---|---|
| 2.3.0 | 88 | 72% | |
| 2.2.5 | 7 | 6% | |
| 2.2.6 | 6 | 5% | |
| 2.2.3 | 1 | <1% | |
| 2.2.4 | 1 | <1% |
Often used with H2O
The share of H2O sites that also use each technology.
Sockt is part of Raq.com
Sockt opens to everyone soon, with sign-up and billing through Raq.com. Lists you build in Sockt will go into Raq.com CRM, and Raq.com agents will use Sockt through MCP. Join the waitlist and we will email you when it opens.