How to disable SPDY in Google Chrome

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I'd like to know how to disable automatically using SPDY protocol in Google Chrome. I need to make some IDS related tests and for that purpose I'd like to temporarily access Twitter or Google using HTTP SSL and not SPDY.

Is there even an option to disable it in Chrome? I couldn't find anything on Google.

Regards!

Toddtoddie answered 4/9, 2012 at 13:30 Comment(0)

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Well, you just need to run chrome with SPDY support disabled, that's all! Like this:

"...\chrome.exe" --use-spdy=off

Recluse answered 4/9, 2012 at 13:31 Comment(3)

does nothing on my v40 build. this will become the same moving target we had for disabling referrer all over again... – Hartshorn 6/10, 2014 at 20:3

You need do close all chrome instances before this will work. You can check this by opening this page: chrome://net-internals/#http2 – Contrail 14/8, 2015 at 9:48

Can I put it somehow in permanent settings on OSX so that not to add this key every time? – Baillie 3/2, 2017 at 6:26

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you can check all the setting by going to chrome://flags/

and disable spdy there and relaunch chrome.

Hypogeal answered 20/1, 2015 at 23:27 Comment(3)

There isn't a spdy option in the flags panel. My Chrome version is 44.0.2403.107. – Dejadeject 28/7, 2015 at 5:49

As above, option does not exist in chrome://flags/ – Perrine 11/8, 2015 at 15:29

I don't know why people are down-voting you. When you posted it in Jan 2015 it was there and it was removed (along with Async DNS) by Google in mid March 2015. – Comose 8/3, 2016 at 18:44

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[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome]
"DisableSpdy"=dword:00000001

Mccarty answered 21/6, 2016 at 16:58 Comment(3)

You should probably provide something more than a registry key incase people don't know what they're looking at there. Also, as it's a registry key, it'll only work on Windows. – Solvolysis 21/6, 2016 at 17:35

Please edit with more information. Code-only and "try this" answers are discouraged, because they contain no searchable content, and don't explain why someone should "try this". We make an effort here to be a resource for knowledge. – Jollity 22/6, 2016 at 11:58

This registry key may have existed in an earlier version, but does not exist for me. Chrome Version 70.0.3538.110 (Official Build) (64-bit) – Bucephalus 14/12, 2018 at 15:42

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disable Experimental QUIC protocol.

chrome ver 45.0.2454.93

Fajardo answered 18/9, 2015 at 17:55 Comment(3)

Maybe you can write something more for him? – Jahdai 18/9, 2015 at 18:0

This is a useless answer – Engelhart 7/10, 2015 at 19:55

He means the Experimental QUIC Protocol option in chrome://flags. No idea if this actually disables SPDY though. Really wouldn't have hurt to mention where you find the option. – Assets 10/1, 2016 at 7:19

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