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Version History

Technologies > Web Servers > H2O > Version 2

Usage statistics and market share of H2O version 2 for websites

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This report shows the usage statistics and market share data of H2O version 2 on the web. See technologies overview for explanations on the methodologies used in the surveys. Our reports are updated daily.

H2O version 2 is used by less than 0.1% of all the websites whose web server we know.

The diagram shows the percentage of websites using H2O version 2 as web server.

How to read the diagram:
H2O is used by less than 0.1% of all the websites.
Version 2 is used by less than 0.1% of all the websites.

less than 0.1%
Version 2
less than 0.1%
W3Techs.com, 21 March 2019
Percentage of websites using H2O

Subversions of H2O 2

This diagram shows the percentages of websites using various subversions of H2O 2.

How to read the diagram:
Version 2.2 is used by 79.2% of all the websites who use H2O version 2.

Version 2.2
Version 2.3
Version 2.0
Version 2.1
W3Techs.com, 21 March 2019
Percentages of websites using various subversions of H2O 2

Popular sites using H2O version 2

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Technology Brief
Category: Web Servers
H2O is an open source web server written in C by Kazuho Oku.
Website: calomel.org/...

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