Discuss Enable your Zend Framework App with Conditional GET! (Make it green) http://www.smartycode.com/performance/zend-framework-browser-caching/ Fri, 10 Sep 2010 08:36:52 +0300 FeedCreator 1.7.2 - RUS Patches by AndyR http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-54 You may want to note the caveat about eTags popularized by the Steve Souders book: http://developer.yahoo.com/performance/rules.html#etags If you use more than one server, turn off eTags altogether. Joe Devon Sat, 19 Jun 2010 21:07:25 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-53 Hi Danila, thanks for your feedback. I guess thought you should put the 2xx or 304 check in such a way that, in case of any code different from 2xx or 304, it actually exits and does not add any additional cache header. In fact I used it like this : if not (2xx or 304) then else Hope that was clear. Also please consider giving a feedback on how this trick is working, I'm just now experimenting with it and looks okay, but you never know :) ciao Giovanni Sat, 27 Feb 2010 09:10:06 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-52 Hi Giovanni, thanks for your contribution. I have included it onto article. I've taken the todo's text from W3C specs :) What is means here, is that "if we set response code somewhere in the application to i.e. 404 or 500, these should not be handled by conditional get". Example is when we set these codes in ErrorController. Danila V. Thu, 25 Feb 2010 19:23:03 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-51 Sorry, got the html chars stripped off. Here it is, to be placed at the beginning of the shudownloop function: $response_code = $this->getResponse()->getHttpResponseCode(); if (! (($response_code [GREATER THAN] 200 AND $response_code [LOWER THAN] 206) OR ($response_code == 304)) ) Giovanni Mon, 22 Feb 2010 20:19:37 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-50 Hi, would this be a correct implementation for your TODO block ? public function dispatchLoopShutdown() { $response_code = $this->getResponse()->getHttpResponseCode(); if (! (($response_code >= 200 && $response_code Giovanni Mon, 22 Feb 2010 20:17:44 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-48 Hi, thank you for your article! What do you mean by that "TODO" note ? How are you supposed to handle those responses? (eg. a 404) ? thankyou! Giovanni Mon, 08 Feb 2010 20:56:23 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-38 Hello Michael, you should set your max-age (pretty much the same thing as Expires) to 0 for such pages. Or other extremely small value. The max-age value defines the time browser does not request the page from network. The plugin does not have ability to define which page gets what max-age. This can be achieved by creating a custom action controller plugin... The current plugin should still work with the 0 value (conditional etag part would keep working). Danila V. Mon, 01 Jun 2009 20:45:53 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-32 Hello, I've tried the conditional GET plugin but had a problem with IE6 and IE7 => when redirecting to the same page (which has changed in the meanwhile) the old page still remains. What can I do? Michael Wed, 13 May 2009 18:21:23 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-29 You will not speed up your installation on a local server. This trick is for saving bandwidth. Maxence Fri, 24 Apr 2009 17:50:54 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-15 I was trnslate this article - http://lobach.info/develop/zf/enable-conditional-get-in-zend-framework-app/ Oleg Lobach Tue, 07 Apr 2009 10:59:14 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-14 Hi Danila Plz, contact me - i want publish russian translate of this article in my blog. I wrote letter about it to you, but not received a reply. Oleg Lobach Mon, 06 Apr 2009 03:49:53 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-12 If you have highly volatile content, such as random banner ads, you should include that in the md5 / etag generation Josh Ribakoff Sun, 29 Mar 2009 23:10:25 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-10 @Jon: what are using to check headers? I use Firefox's addon "Live HTTP Headers" @Malte, thanks, the code corrected. I also updated the code to get rid of no-cache directive (see update description in the article) Danila V. Sat, 28 Mar 2009 07:56:29 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-9 Cool plugin. anon Sat, 28 Mar 2009 03:33:30 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-8 I must be doing something wrong as i'm not getting an etag when i refresh the page. Do I have to set some other headers for this to work or turn something on in apache? Jon Whitcraft Fri, 27 Mar 2009 21:02:20 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-7 actually a third time Malte Fri, 27 Mar 2009 15:55:09 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-6 very interesting! but is the code after foreach needed when we send code 304? also Etag gets set a second time in the else part of if($send_body) Malte Fri, 27 Mar 2009 15:44:57 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-4 @James: thanks, I have made the correction @Jon: recent versions of apache add -gzip to ETag values due to an issue raised here: https://issues.apache.org/bugzilla/show_bug.cgi?id=39727 It wasn't implemented correctly and -gzip is added outside quotes. While this is already fixed in Apache's trunk, I figured there is no problem and that -gzip should be stripped in etag check. Updated the code, ETag handling now works also with recent apache versions on gzipped content. Danila V. Fri, 27 Mar 2009 02:20:19 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-3 Great post. I think I'm gonna try to speed up my local Magento installation with this. Sam Fri, 27 Mar 2009 01:16:06 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-2 Cool stuff. I think you mean: $frontController->registerPlugin(new Smartycode_Http_Conditional(), 101); James Coletti Thu, 26 Mar 2009 10:06:29 +0300 http://www.smartycode.com/performance/zend-framework-browser-caching/#comment-1 Where can I find more information on the gzip bug with apache so i can look at a fix for this? Thanks. Jon Whitcraft Thu, 26 Mar 2009 09:40:32 +0300