Comments on: Performance Research, Part 2: Browser Cache Usage – Exposed! http://www.yuiblog.com/blog/2007/01/04/performance-research-part-2/ The official blog of the YUI Project. Thu, 09 Feb 2012 01:46:52 +0000 hourly 1 http://wordpress.org/?v=3.0.4 By: Ajaxian » Steve’s call to improve browser caching http://www.yuiblog.com/blog/2007/01/04/performance-research-part-2/comment-page-2/#comment-590967 Ajaxian » Steve’s call to improve browser caching Tue, 27 Apr 2010 16:43:22 +0000 http://yuiblog.com/blog/2007/01/04/performance-research-part-2/#comment-590967 [...] and I ran an experiment to measure browser cache stats from the server side. Tenni’s write up, Browser Cache Usage – Exposed, is the stuff of legend. There she reveals that while 80% of page views were done with a primed [...] [...] and I ran an experiment to measure browser cache stats from the server side. Tenni’s write up, Browser Cache Usage – Exposed, is the stuff of legend. There she reveals that while 80% of page views were done with a primed [...]

]]> By: High Performance Web Sites :: Call to improve browser caching http://www.yuiblog.com/blog/2007/01/04/performance-research-part-2/comment-page-2/#comment-590948 High Performance Web Sites :: Call to improve browser caching Tue, 27 Apr 2010 08:14:16 +0000 http://yuiblog.com/blog/2007/01/04/performance-research-part-2/#comment-590948 [...] I ran an experiment to measure browser cache stats from the server side. Tenni’s write up, Browser Cache Usage – Exposed, is the stuff of legend. There she reveals that while 80% of page views were done with a primed [...] [...] I ran an experiment to measure browser cache stats from the server side. Tenni’s write up, Browser Cache Usage – Exposed, is the stuff of legend. There she reveals that while 80% of page views were done with a primed [...]

]]> By: Best Practices for Speeding Up Your Web Site http://www.yuiblog.com/blog/2007/01/04/performance-research-part-2/comment-page-2/#comment-589897 Best Practices for Speeding Up Your Web Site Sun, 28 Mar 2010 08:13:33 +0000 http://yuiblog.com/blog/2007/01/04/performance-research-part-2/#comment-589897 [...] for improving performance for first time visitors. As described in Tenni Theurer’s blog post Browser Cache Usage – Exposed!, 40-60% of daily visitors to your site come in with an empty cache. Making your page fast for these [...] [...] for improving performance for first time visitors. As described in Tenni Theurer’s blog post Browser Cache Usage – Exposed!, 40-60% of daily visitors to your site come in with an empty cache. Making your page fast for these [...]

]]> By: Dick Davies http://www.yuiblog.com/blog/2007/01/04/performance-research-part-2/comment-page-2/#comment-584833 Dick Davies Sat, 26 Sep 2009 18:14:59 +0000 http://yuiblog.com/blog/2007/01/04/performance-research-part-2/#comment-584833 Surprised at the number of 'use a unique filename for every rev. of the file' and 'make the filename an MD5 hash of its contents' type comments. Have you never heard of ETags? Or do most IE flavours not support it? Surprised at the number of ‘use a unique filename for every rev. of the file’ and ‘make the filename an MD5 hash of its contents’ type comments.

Have you never heard of ETags? Or do most IE flavours not support it?

]]> By: Tips for Choosing the Right Performance-tracking Tool http://www.yuiblog.com/blog/2007/01/04/performance-research-part-2/comment-page-2/#comment-583221 Tips for Choosing the Right Performance-tracking Tool Mon, 03 Aug 2009 01:43:16 +0000 http://yuiblog.com/blog/2007/01/04/performance-research-part-2/#comment-583221 [...] When you measure your pages, you must test them using both an empty and a primed cache. The general assumption is that 20 percent to 50 percent of your incoming requests are being done with an empty cache. This supposition was proven to be true in a test that Yahoo conducted. [...] [...] When you measure your pages, you must test them using both an empty and a primed cache. The general assumption is that 20 percent to 50 percent of your incoming requests are being done with an empty cache. This supposition was proven to be true in a test that Yahoo conducted. [...]

]]> By: Page load speed and website optimization. Google and Yahoo optimization tips http://www.yuiblog.com/blog/2007/01/04/performance-research-part-2/comment-page-2/#comment-581807 Page load speed and website optimization. Google and Yahoo optimization tips Sun, 14 Jun 2009 15:21:27 +0000 http://yuiblog.com/blog/2007/01/04/performance-research-part-2/#comment-581807 [...] Performance Research, Part 2: Browser Cache Usage – Exposed! [...] [...] Performance Research, Part 2: Browser Cache Usage – Exposed! [...]

]]> By: callrid http://www.yuiblog.com/blog/2007/01/04/performance-research-part-2/comment-page-2/#comment-581442 callrid Thu, 16 Apr 2009 15:01:46 +0000 http://yuiblog.com/blog/2007/01/04/performance-research-part-2/#comment-581442 for HTTP STATUS 304, we still need time to check if the media modified or not, right? how to remove the checking time? for HTTP STATUS 304, we still need time to check if the media modified or not, right? how to remove the checking time?

]]> By: File Rename Guy http://www.yuiblog.com/blog/2007/01/04/performance-research-part-2/comment-page-2/#comment-581361 File Rename Guy Wed, 15 Apr 2009 13:37:09 +0000 http://yuiblog.com/blog/2007/01/04/performance-research-part-2/#comment-581361 Is it possible to specifying conditional caching within for page loads? i.e. cache the html but do not cache the javascript that it links to, for example? Is it possible to specifying conditional caching within for page loads? i.e. cache the html but do not cache the javascript that it links to, for example?

]]> By: auser http://www.yuiblog.com/blog/2007/01/04/performance-research-part-2/comment-page-2/#comment-579972 auser Sun, 29 Mar 2009 14:12:34 +0000 http://yuiblog.com/blog/2007/01/04/performance-research-part-2/#comment-579972 IE's cache has been broken since the start, it will not check for new copies of a page at appropriate times, IE does not work with dynamic websites unless you effectively disable the cache. That is part of the reason you will always see 20% or more no cache page views. IE’s cache has been broken since the start, it will not check for new copies of a page at appropriate times, IE does not work with dynamic websites unless you effectively disable the cache. That is part of the reason you will always see 20% or more no cache page views.

]]> By: Anton Ongsono http://www.yuiblog.com/blog/2007/01/04/performance-research-part-2/comment-page-2/#comment-534949 Anton Ongsono Fri, 26 Dec 2008 02:32:36 +0000 http://yuiblog.com/blog/2007/01/04/performance-research-part-2/#comment-534949 for the best result, how long must we set expires header? for the best result, how long must we set expires header?

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