Websites using H2O
H2O is a fast and secure HTTP/2 server written in C by Kazuho Oku.
H2O is available as open-source software. Learn more at github.com.
Wappalyzer tracks 310 live websites using H2O. Find top H2O websites, and build a filtered list of companies using H2O.
Top websites using H2O
These are the most trafficked websites using H2O.
| Hostname | Traffic | Tech spend | Country |
|---|---|---|---|
| mourjan.com | Low | Very low | 🇺🇸 |
| lowreal.net | Low | Very low | |
| h2o.examp1e.net | Low | Very low | |
| zotum.net | Very low | Very low | 🇩🇪 |
| peco-japan.com | High | 🇯🇵 | |
| solarserver.de | Very low | 🇩🇪 | |
| greenjobs.de | Very low | 🇩🇪 | |
| hsbt.org | Very low | 🇯🇵 | |
| rgbstock.com | Very low | 🇩🇪 | |
| eejobs.de | Very low | 🇩🇪 | |
| chaosplant.tech | Very low | 🇯🇵 | |
| azure.itc.u-tokyo.ac.jp | |||
| umami.animin.jp | |||
| hikkoshizamurai.jp | Medium | 🇯🇵 | |
| andydavies.me | Medium | ||
| suma.ac.jp | Low | 🇯🇵 | |
| render.quanto.sk | Very low | 🇸🇰 | |
| animin.jp | Very low | 🇯🇵 | |
| teplica.tech | 🇷🇺 | ||
| incurvy.de | Low | 🇩🇪 | |
| pianocenter.jp | Medium | 🇯🇵 | |
| shoreautomotive.co.nz | Medium | 🇳🇿 | |
| informphysio.co.nz | Low | 🇳🇿 | |
| l4d2.ngnl.org | Very low | ||
| courtenayhearing.co.nz | Very low | 🇳🇿 |
Where is H2O used?
A breakdown of countries and languages across the websites where Wappalyzer detects H2O.
Countries
Languages
Top alternatives to H2O
The largest alternative technologies in the same category, ranked by detected websites.
Find companies using H2O
Get company and contact details for 310 H2O websites, so you can turn research into outreach faster.
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Companies in United States
Find H2O companies located in United States.
Companies in United Kingdom
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Companies with emails and phone numbers
Prioritize H2O websites with both contact types available.
Top 5,000 websites by traffic
Start with the highest-traffic H2O websites in the dataset.
Websites with a .com domain
Limit results to H2O websites on .com domains.
5,000 low-traffic websites
Focus on lower-traffic H2O websites for long-tail prospecting.