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Path: ...!weretis.net!feeder9.news.weretis.net!panix!.POSTED.spitfire.i.gajendra.net!not-for-mail From: cross@spitfire.i.gajendra.net (Dan Cross) Newsgroups: comp.os.vms Subject: Re: Apache + mod_php performance Date: Mon, 30 Sep 2024 12:50:48 -0000 (UTC) Organization: PANIX Public Access Internet and UNIX, NYC Message-ID: <vde6r8$fa3$2@reader1.panix.com> References: <vcv0bl$39mnj$1@dont-email.me> <vd7hbi$tgu3$2@dont-email.me> <vd7j5q$t5d$1@reader1.panix.com> <vdbq08$1pg2p$2@dont-email.me> Injection-Date: Mon, 30 Sep 2024 12:50:48 -0000 (UTC) Injection-Info: reader1.panix.com; posting-host="spitfire.i.gajendra.net:166.84.136.80"; logging-data="15683"; mail-complaints-to="abuse@panix.com" X-Newsreader: trn 4.0-test77 (Sep 1, 2010) Originator: cross@spitfire.i.gajendra.net (Dan Cross) Bytes: 2076 Lines: 28 In article <vdbq08$1pg2p$2@dont-email.me>, Arne Vajhøj <arne@vajhoej.dk> wrote: >On 9/27/2024 8:38 PM, Dan Cross wrote: >> In article <vd7hbi$tgu3$2@dont-email.me>, >> Arne Vajhøj <arne@vajhoej.dk> wrote: >>> And note that keep alive was not needed for me, but it is needed in many >>> other scenarios: >>> - web pages with lots of graphics >>> - high volume server to server web services >> >> Actually, it's useful for any scenario in which you may send >> several requests to the same server at roughly the same time, >> such as an HTML document and separate CSS stylesheet, not just >> graphics or "server to server web services". > >There is no difference in how graphics and CSS are handled, >so the benefits of reusing a connection is the same. > >But there is a difference in number of requests. CSS will typical >be cached by the browser. So number of CSS requests will be a fraction >of number of HTML requests, while pages with lots of graphics >will have many graphics requests per HTML request. Why do you assume CSS will be cached and graphics will not? Your understanding of where re-using HTTP connections does not seem to be drawn from real-world experience. - Dan C.