H2O

the optimized HTTP/1.x, HTTP/2, HTTP/3 server

Web server · by Kazuho Oku, DeNA · h2o.examp1e.net

Open H2O in AirStack

What H2O’s own pages say

What it says it doesthe optimized HTTP/1.x, HTTP/2, HTTP/3 server h2o.examp1e.net

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.