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LarsenBagley505

: Which browsers handle `Content-Encoding: gzip` and which of them has any special requirements on encoding quality? I am creating a "hand made" HTTP 1.0, 1.1 server. I recently integrated zip lib

@LarsenBagley505

Posted in: #Gzip

I am creating a "hand made" HTTP 1.0, 1.1 server. I recently integrated zip lib so now I can stream encoded gziped data in and out. I wonder which major browsers (alive ones - IE6-IE10, Chrome, FF, etc.) send Accept-Encoding: deflate, gzip, ... and so can handle Content-Encoding: gzip today? Which of them send any quality expectations? Which of them can send encoded gziped post request and multypart/form data to my server?

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@Candy875

Basically every browser nowadays supports deflate/gzip. This page lists many browsers and version numbers. Here's a summary plus some newer browsers:


Netscape 6+ (Netscape 4-5 does, but with some bugs).
Internet Explorer 5.5+ (July 2000) and IE 4 if set to HTTP/1.1.
Opera 5+ (June 2000)
Lynx 2.6+ (some time before 1999)
Firefox 0.9.5+ (October 2001)
Chrome since forever
Safari since forever (as far as I can tell)


As you can see: for almost 15 years, there's full support, and nobody uses a more than 15 year old browser.

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