Editing HTTP pipelining (section)

===Implementation in web browsers===
Of all the major browsers, only [[Opera (web browser)|Opera]] had a fully working implementation that was enabled by default. In other browsers HTTP pipelining was disabled or not implemented.<ref name="lwnspdy" />
*[[Internet Explorer 8]] does not support pipeline requests, due to concerns regarding buggy proxies and [[head-of-line blocking]].<ref name="MSIE-8-chat-2008">{{cite web|url=http://www.microsoft.com/windowsxp/expertzone/chats/transcripts/08_0814_ez_ie8.mspx|title=Wayback link of 'Windows Internet Explorer 8 Expert Zone Chat (August 14, 2008)'|date=August 14, 2008|publisher=[[Microsoft]]|accessdate=May 10, 2012|archive-url=https://web.archive.org/web/20101204053757/http://www.microsoft.com/windowsxp/expertzone/chats/transcripts/08_0814_ez_ie8.mspx|archive-date=December 4, 2010|url-status=dead}}</ref>
*[[Internet Explorer 11]] does not support pipelining.<ref>{{Cite news|url=https://blogs.msdn.microsoft.com/ie/2005/04/11/internet-explorer-and-connection-limits/|title=Internet Explorer and Connection Limits|newspaper=IEBlog|access-date=2016-11-14}}</ref>
*Mozilla browsers (such as [[Mozilla Firefox]], [[SeaMonkey]] and [[Camino (web browser)|Camino]]) used to support pipelining; however, it was removed in Firefox 54.<ref>[https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/54 Firefox 54 Release Notes]</ref> When it was supported, pipelining was disabled by default to avoid issues with misbehaving servers.<ref>{{cite web|url= https://bugzilla.mozilla.org/show_bug.cgi?id=264354|title=Bug 264354: Enable HTTP pipelining by default|publisher=[[Mozilla]]|accessdate=September 16, 2011}}</ref> If pipelining was enabled by the user, Mozilla browsers used some heuristics, mostly to turn pipelining off for older [[Internet Information Services|Microsoft IIS]] servers.<ref>{{cite web|url=https://hg.mozilla.org/releases/mozilla-2.0/file/09565753ce5f/netwerk/protocol/http/src/nsHttpConnection.cpp#l251|title=Source code – nsHttpConnection.cpp|publisher=Mozilla|work=Firefox source code|date=May 7, 2010|accessdate=December 5, 2010}}</ref> The removal was eventually backported to SeaMonkey.
*[[Konqueror]] 2.0 supports pipelining, but it is disabled by default.<ref>{{Cite book|url=https://books.google.com/books?id=J1gb2eb-NuEC&dq=pipelining+%22konqueror%22&pg=PA31|title=Internet Communication: Protocols and related subjects|author=Emir Arian|date=|access-date=2021-10-16|language=en|isbn=}}</ref>
*[[Google Chrome]] previously supported pipelining, but it has been disabled due to bugs and problems with poorly behaving servers.<ref>[https://www.chromium.org/developers/design-documents/network-stack/http-pipelining HTTP Pipelining - The Chromium Projects]</ref>
*[[Pale Moon (web browser)]] supports pipelining, and is enabled by default.<ref>{{Cite web|url=https://forum.palemoon.org/viewtopic.php?f=5&t=16869&p=123455|title=HTTP/1 Pipelining support has been removed in Firefox 54 - Pale Moon forum|website=forum.palemoon.org|language=en-us|access-date=2018-06-07}}</ref>