Switching to HTTP2 performance concerns

Alec Dean

• January 23, 2018 14:06

Hi... I'm considering switching to http2, but not all of my hosting customers are on https yet and I also still have a few that have not updated their PHP version to 7.x. I just want to be sure that their websites will negotiate http1 with requesting browsers and that enabling http2 won't impact their site's performance in any way. Thanks!

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  DennisMidjord

  • January 24, 2018 06:21

  We've been using HTTP/2 with LiteSpeed for a long time now, and it hasn't caused any problems. If a site doesn't use SSL, it will serve the website over HTTP/1.1. I don't know how it works with Apache, but I'd guess it's similar.

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  cPanelMichael

  • January 24, 2018 15:40

  Hello, The previous post is correct. HTTP2 is only utilized when accessing the site using SSL (

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