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Compare resource loading between HTTP/2 (H2O) and HTTP/1.1 (Nginx)

HTTP/1.1 (Nginx) HTTP/2 (H2O)

On top there are two iframes with images split into slices. Each individual image starts loading with a 5 millisecond delay. They share the exact same code, the difference is the web server (H2O at 443, Nginx at a non-standard SSL port 8080). Observe the difference in loading. Reload the page if you missed it.

So... Start serving PHP with H2O today!

Original concept stolen from

Written by Jani Tarvainen on Thursday June 25, 2015
Permalink - Tags: http2, performance, h2o, nginx

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