Log In · Signup for Free

EN DE FR ES IT Pусский 한국어 日本語简体中文 عربي

H2O Usage Statistics

Top 10k

Top 100k

Top 1m

All Internet

HTTP/2 server written in C.

https://github.com/h2o/h2o

H2O Customers

Get access to data on 2,662 websites that are H2O Customers. We know of 1,598 live websites using H2O and an additional 1,064 sites that used H2O historically and 803 websites in the United States.

Download Lead List

Download Lead List

Get a list of 2,662 websites using H2O which includes location information, hosting data, contact details, 1,598 currently live websites and an additional 1,247 domains that redirect to sites in this list. 1,064 sites that used this technology previouslyand 803 websites in the United States currently using H2O.

Site Totals

Total Live: 1,598
1,247 additional website redirects^?.
USA Live Sites: 803
Live and Historical: 2,662

Top 1m: 0.01%
73
Top 100k: 0.02%
19
Top 10k: 0.04%
4

Countries

United States: 803
New Zealand: 353
Japan: 51
Germany: 32
Canada: 20
United Kingdom: 16
Czech Republic: 11
Netherlands: 10
France: 8
Australia: 8
Russia: 7
Hungary: 6
Sweden: 6
China: 6
Switzerland: 6
India: 5
Turkey: 5
Austria: 5
Poland: 5
.me: 5
.io: 5

Financial

AMER: 829
ANZ: 361
ANZUK: 377
APAC: 437
ASEAN+3: 64
ASEAN+5: 424
ASEAN+6: 430
ASIAN TIGERS: 8
AUKUS: 827
BASIC: 13
BRIC: 19
BRICS: 20
CANZUK: 397
CIVETS: 9
EMEA: 146
FRIT: 10
FRITES: 14
IMEA: 21
LATAM: 6
LATCAR: 9
MART: 23
MEA: 16
MENA: 10
MEP: 10
MIKTA: 14
MINT: 6
PIGS: 7
SEA: 6
Tiger Cub Economies: 5
VISTA: 11

Group

African Union: 5
Asia-Pacific Economic Cooperation: 1,256
Assembly of European Regions: 83
Association of Southeast Asian Nations: 6
Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation: 10
Club de Paris: 986
Commonwealth of Independent States Members: 8
Commonwealth of Nations: 411
Council of Europe: 136
Development Assistance Committee: 1,355
Eastern Partnership: 101
EC Inner Six: 55
EC Outer Seven: 35
Economic Cooperation Organization: 7
Eurasian Economic Union: 7
Euronest Parliamentary Assembly: 100
European Economic Area: 101
European Free Trade Association: 7
European Union: 100
European Union, European Economic Area and Switzerland: 107
Federation of Euro-Asian Stock Exchanges: 7
G2 Nations: 809
G20 Nations: 969
G7 Nations: 932
Global Governance Group: 367
Group of 77: 35
IBSA Dialogue Forum: 7
International Solar Alliance: 923
Interparliamentary Assembly on Orthodoxy: 28
Majority German-speaking states of Central Europe: 43
North Atlantic Treaty Organization: 932
Organisation for Economic Co-operation and Development: 1,361
Organisation of Islamic Cooperation: 13
Organization of American States: 829
Organization of Ibero-American States: 10
Organization of the Black Sea Economic Cooperation: 15
Organization of Turkic States: 6
Shanghai Cooperation Organisation: 18
South Asian Association for Regional Cooperation: 8
Sovereign states and dependent territories of North America: 828
Visegrad Group: 22

Region

Africa: 7
Balkan States: 8
Benelux Union: 13
Central Europe: 65
CHAPS: 27
East Asia: 59
Europe: 136
Levant Narrow: 7
Middle East: 10
Nordics: 10
North America: 823
Northern Europe: 11
Scandinavia: 8
South Asia: 8
Southern Europe: 8
Sub-Saharan Africa: 6
Western Asia: 11
Western Europe: 80

Browse Technology Groups