H2O is a new generation HTTP server that provides quicker response to users with less CPU utilization when compared to older generation of web servers. Designed from ground-up, the server takes full advantage of HTTP/2 features including prioritized content serving and server push, promising outstanding experience to the visitors of your web site.
- HTTP/1.0, HTTP/1.1
- full support for dependency and weight-based prioritization with server-side tweaks
- cache-aware server push
- TCP Fast Open
- session resumption (standalone & memcached)
- session tickets with automatic key rollover
- automatic OCSP stapling
- forward secrecy & fast AEAD ciphers1
- private key protection using privilege separation
- static file serving
- reverse proxy
- scriptable using mruby (Rack-based)
- graceful restart and self-upgrade
released on 13 August 2019
git clone https://github.com/h2o/h2o
2 June 2020
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