Websites Powered by H2O
242 websites tracked using H2O (Web servers) · github.com
H2O is a web server that delivers the site's pages. Its official site is github.com. PoweredBy tracks the websites that use H2O across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the web servers ecosystem.
Usage trend
50
100
150
200
Nov 2022
Oct 2023
Oct 2024
Sep 2025
Aug 2026
Domains observed using H2O in each month's HTTP Archive crawl,
Nov 2022 to Aug 2026 · peak 168 in Nov 2022. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.5 s
INP 50 ms
CLS 0
TTFB 550 ms
Median site among 88 H2O sites with Chrome UX data, p75 values, Aug 2026.
Top countries
New Zealand
43
Japan
27
Germany
9
India
6
United Kingdom
5
United States
5
Austria
4
Türkiye
4
Sites using H2O by audience country, Chrome UX Report.
Websites using H2O
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | solarserver.de | 6.84/10 | 42 | 126 | Nov 2022 |
| 2 | rgbstock.com | 6.37/10 | 7 | 89 | Nov 2022 |
| 3 | mourjan.com | 2.00/10 | - | - | Apr 2023 |
| 4 | greenjobs.de | 5.32/10 | 21 | 50 | Nov 2022 |
| 5 | peco-japan.com | 4.11/10 | - | - | Nov 2022 |
| 6 | abbeysigns.co.nz | 0.28/10 | - | 2 | Nov 2022 |
| 7 | animin.jp | 0.45/10 | - | - | Apr 2026 |
| 8 | avalondental.co.nz | 0.27/10 | - | - | Nov 2022 |
| 9 | bakuhouse.jp | 1.63/10 | - | - | Nov 2022 |
| 10 | bkshamiltonmotel.co.nz | 0.71/10 | - | - | Nov 2022 |
| 11 | cartagena-hotels-colombia.com | 0.28/10 | - | - | Nov 2025 |
| 12 | cartagena-hotels.org | 0.23/10 | - | - | Mar 2026 |
| 13 | cccycles.co.nz | 0.27/10 | - | - | Nov 2022 |
| 14 | centrum-medicus.sk | 0.39/10 | - | - | Jul 2026 |
| 15 | chaosplant.tech | 0.70/10 | - | - | Jul 2023 |
| 16 | coolmoves.co.nz | 0.59/10 | - | - | Nov 2022 |
| 17 | courtenayhearing.co.nz | 0.75/10 | - | - | Nov 2022 |
| 18 | delaneymitsubishi.co.nz | 0.60/10 | - | - | Jul 2024 |
| 19 | dh-study.jp | 2.66/10 | - | - | Mar 2023 |
| 20 | dunedinurgentdoctors.co.nz | 0.44/10 | - | - | Nov 2022 |
| 21 | eastcoastpackaging.co.nz | 0.29/10 | - | - | Nov 2022 |
| 22 | eejobs.de | 4.00/10 | - | - | Nov 2022 |
| 23 | examp1e.net | 4.70/10 | - | - | Apr 2023 |
| 24 | greenjobs.at | 1.12/10 | - | - | Jan 2025 |
| 25 | growth-and.com | 1.53/10 | - | - | Nov 2022 |
| 26 | h2olabs.co.uk | 0.42/10 | - | - | Apr 2026 |
| 27 | h2olabs.com | 1.36/10 | - | - | Oct 2025 |
| 28 | hari-study.com | 1.40/10 | - | - | Dec 2023 |
| 29 | henry-jr.de | 0.48/10 | - | - | Nov 2022 |
| 30 | hikerswool.co.nz | 1.36/10 | - | - | Nov 2022 |
| 31 | hsbt.org | 3.53/10 | - | - | Nov 2022 |
| 32 | incurvy.de | 1.29/10 | - | - | Nov 2022 |
| 33 | informphysio.co.nz | 1.10/10 | - | - | Nov 2022 |
| 34 | jaderentals.co.nz | 0.25/10 | - | - | Nov 2022 |
| 35 | jennybecklaw.co.nz | 0.81/10 | - | - | Nov 2022 |
| 36 | juusta.jp | 2.69/10 | - | - | Nov 2022 |
| 37 | kapitilaw.co.nz | 0.26/10 | - | - | Jan 2023 |
| 38 | kents.info | 0.33/10 | - | - | Nov 2022 |
| 39 | keytronics.co.nz | 0.43/10 | - | - | Nov 2022 |
| 40 | koaki.info | 0.78/10 | - | - | Nov 2022 |
| 41 | krats.se | 2.96/10 | - | - | Nov 2022 |
| 42 | le-premier.jp | 1.39/10 | - | - | Apr 2023 |
| 43 | loddance.co.nz | 0.43/10 | - | - | Nov 2022 |
| 44 | lowreal.net | 3.69/10 | - | - | Nov 2022 |
| 45 | melashops.com | 0.10/10 | - | - | May 2023 |
| 46 | msfibreglass.co.nz | 0.46/10 | - | - | Nov 2022 |
| 47 | nanking.co.nz | 0.42/10 | - | - | Nov 2022 |
| 48 | ngnl.org | 1.30/10 | - | - | Nov 2022 |
| 49 | nishida-museum.com | 1.72/10 | - | - | Nov 2022 |
| 50 | northcityskipbins.co.nz | 0.45/10 | - | - | Nov 2022 |
| 51 | npl.nz | 0.25/10 | - | - | Nov 2022 |
| 52 | nursta.jp | 3.05/10 | - | - | Dec 2022 |
| 53 | onlinecommunications.co.nz | 0.94/10 | - | - | Nov 2022 |
| 54 | ot-study.com | 0.10/10 | - | - | Nov 2024 |
| 55 | otagopackaging.co.nz | 0.64/10 | - | - | Nov 2022 |
| 56 | paperquip.co.nz | 1.02/10 | - | - | Feb 2023 |
| 57 | peterjacksonplumbing.co.nz | 1.13/10 | - | - | Nov 2022 |
| 58 | pianocenter.jp | 2.54/10 | - | - | Nov 2022 |
| 59 | pinewoods.co.nz | 0.65/10 | - | - | Nov 2025 |
| 60 | raumatisands.co.nz | 0.88/10 | - | - | Nov 2022 |
| 61 | retirekapiti.co.nz | 0.95/10 | - | - | Nov 2022 |
| 62 | rgbstock.com.br | 2.80/10 | - | - | Nov 2022 |
| 63 | safa.co.nz | 0.25/10 | - | - | Nov 2022 |
| 64 | simplysecurity.co.nz | 0.45/10 | - | - | Nov 2022 |
| 65 | suma.ac.jp | 3.64/10 | - | - | Nov 2022 |
| 66 | sumashuku.jp | 2.60/10 | - | - | Nov 2022 |
| 67 | supoharazero.org | 0.66/10 | - | - | Apr 2024 |
| 68 | theofficersmess.co.nz | 0.46/10 | - | - | Nov 2022 |
| 69 | tknz.co.nz | 0.41/10 | - | - | Nov 2022 |
| 70 | velocompany.de | 1.52/10 | - | - | Nov 2022 |
| 71 | wellingtonautomotive.co.nz | 0.63/10 | - | - | Nov 2022 |
| 72 | wellingtonscrapmetals.co.nz | 0.72/10 | - | - | Nov 2022 |
| 73 | westmerebutchery.co.nz | 1.40/10 | - | - | Nov 2022 |
| 74 | yetigame.jp | 3.89/10 | - | - | Nov 2022 |
| 75 | zekisbread.co.nz | 0.77/10 | - | - | Nov 2022 |
| 76 | alarmtek.co.nz | 0.24/10 | - | - | Jul 2023 |
| 77 | berhamporelocks.co.nz | 0.90/10 | 14 | 10 | Dec 2022 |
| 78 | caremad.io | 4.76/10 | - | - | Dec 2022 |
| 79 | coastsecurity.co.nz | 0.64/10 | - | - | Apr 2024 |
| 80 | curtaineasy.co.nz | 0.43/10 | - | - | Nov 2022 |
| 81 | essentialair.co.nz | 0.44/10 | - | - | Jun 2025 |
| 82 | fleettech.co.nz | 0.25/10 | - | - | Mar 2026 |
| 83 | greedy-ai.com | 0.10/10 | - | - | Jun 2026 |
| 84 | mysplash.co.nz | 0.29/10 | - | - | Nov 2022 |
| 85 | ntecs.de | 4.04/10 | - | - | Jul 2026 |
| 86 | nzspringworks.co.nz | 0.66/10 | - | - | Nov 2022 |
| 87 | shoreautomotive.co.nz | 0.45/10 | - | - | Dec 2022 |
| 88 | taradalefamilydental.co.nz | 0.45/10 | - | - | Mar 2023 |
| 89 | tedxhimi.com | 0.52/10 | - | - | Nov 2022 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →