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Speed Tips:Turn Off ETags - AskApache

Dec 12, 2006 GET /i/yahoo.gif HTTP/1.1 Host:us.yimg.com If-Modified-Since:Tue, 12 Dec 2006 03:03:59 GMT If-None-Match:"10c24bc-4ab-457e1c1f"HTTP/1.1

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If you remove the Last-Modified and ETag header, you will totally eliminate If-Modified-Since and If-None-Match requests and their 304 Not Modified

AskApache Crazy Advanced Web Development

If youve read any other articles on AskApache you can see a certain obsession . and resource robbing IfModifiedSince requests You only need Apache with

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Redirects Redirect page1.html page2.html If someone were to visit Since then he gets regular questions and requests for help on proxying with Apache.

Speed Up Sites with php Caching - AskApache

If not we return a 'HTTP/1.0 304 Not Modified'status and exit the script. $last

Htaccess SetEnvIf and SetEnvIfNoCase Examples - AskApache

SetEnvIfNoCase ^If-Modified-Since$ "(.+)"HTTP_IF_MODIFIED_SINCE=$1 SetEnvIfNoCase ^If-None-Match$ "(.+)"HTTP_IF_NONE_MATCH=$1 SetEnvIfNoCase

Speed Up Google Analytics, use local ga.js - www.askapache.com

Therefore, every time a browser loads a page that includes the ga.js file from google, it has to make a 304 If-Modified-Since request to see if the file has

Speed Up Google Analytics with urchin.js - www.askapache.com

Mar 20, 2007 Take a look at the source for this page if you want to see what is to an If-Modified-Since header correctly with a 304 Not Modified

View Detailed HTTP Headers

Jan 5, 2008 If-Modified-Since, Allows a 304 Not Modified to be returned, If-Modified-Since:Sat, 05 Jan 2007 09:26:12 GMT

mod_rewrite Fix for Caching Updated Files - AskApache

Oct 20, 2008 control system to force visitors to use updated files eliminates millions of bandwidth and resource robbing If-Modified-Since requests.

HTTP Status Codes andhtaccess ErrorDocuments

Indicates the resource has not been modified since last requested Typically the HTTP client provides a header like the IfModifiedSince header to provide a

Advanced WordPress wp-config.php Tweaks - AskApache

304 If-Modified-Since was designed to reduce bandwidth for the server and for the client by not having to send the file if it has not been modified.

Speed Up Sites with htaccess Caching - AskApache

cache, caching, modified, if-modified-since, date, header, headers, mod_expires, mod_headers, http, cached, apache, speed, optimized, optimize, proxy, revalidate, private

AskApache Web Development

If youve read any other articles on AskApache you can see a certain . millions of bandwidth and resource robbing IfModifiedSince requests You only need

Caching Tutorial for Webmasters - AskApache

If you can't do that, you'll need to make the script generate a validator, and then respond to If-Modified-Since and/or If-None-Match requests.

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millions of bandwidth and resource robbing IfModifiedSince requests . Rigging the DreamHost Site of the Month Contest Since AskApachecom was

The Ultimate Htaccess

SetEnvIfNoCase ^IfModifiedSince+ HTTP_IF_MODIFIED_SINCE$1 SetEnvIfNoCase ^IfNoneMatch+ HTTP_IF_NONE_MATCH$1 SetEnvIfNoCase ^CacheControl+

Crazy Cache WordPress Plugin Released - AskApache

If I was only allowed to have one plugin for my WordPress blogs, hands-down I'd caching trick to eliminate millions of 304 If Modified Since requests

mod_proxy_http.c - Colorized Apache mod_proxy_http.c at AskApache

If this brigade contains EOS, either stop or remove it. .. "If-Match") || !strcasecmp(headers_in[counter].key, "If-Modified-Since")

Sending POST form data with php CURL - AskApache

Use CURL_TIMECOND_IFMODSINCE to return the page only if it has been modified since the time specified in CURLOPT_TIMEVALUE. If it hasn't been modified,

301 Redirect Cheatsheet - AskApache

Use this to designate that a page hasn't been modified since the user's last request (status code If you'd like to add the code for Django/Python it is:www.askapache.com/;list-of-methods-to-redirect-users-to-different-page.html

Request Method Security Scanner

If the RequestURI is an asterisk* the OPTIONS request is intended to apply to the server in general rather than to a specific resource Since a server's

Redirecting RSS to Feedburner - AskApache

You need an .htaccess that is created/modified by wordpress via the If you've had a feed for any length of time, your readers are using your current feed's [NC] # Any specification of a post ID we skip since it's post specific

27 Request Methods for Apache rewritecond htaccess - AskApache

If the resource could not be created or modified with the Request-URI, 14.45) is of particular interest, since it acts as a trace of the request chain. www.askapache.com/;27-request-methods-for-use-with-apache-and-rewritecond-and-htaccess.html

mod_userdir.c - Colorized Apache mod_userdir.c at AskApache

Modified by Alexei Kosut to support the following constructs * (server . Since I * know of no protocols that are a single letter, ignore * a :as the If we are at the * last entry, then use the filename generated (if there is

mod_file_cache.c - Colorized Apache mod_file_cache.c at AskApache

Second, since caching open handles does not consume significant resources, To reiterate that point:if the files are modified *in place* without

Advanced HTTP Redirection

Since the redirection might be altered on occasion, the client SHOULD 304 Not Modified. If the client has performed a conditional GET request and access

mod_alias.c - Colorized Apache mod_alias.c at AskApache - AskApache

If so, we can dir merge later, trusing new->real * and just . char *ret;int status; if ((ret of '%s'for ""URI '%s'modified to '%s'", orig_target, r->uri, ret);} if

Setting charset in htaccess - AskApache

This will still work if you have file names such as example.en.html or . The problem is that I can't get to php.ini since I'm on a shared host (dreamhost) Speed Tips:Remove Last-Modified Header ·Speed Tips:Add Future Expires

Securing php.ini and php.cgi with .htaccess - AskApache

But what if you directly request site.com/cgi-bin/php.ini or Since we now know that we only want requests that have the REDIRECT_STATUS environment .. Tips:Remove Last-Modified Header ·Rewrite underscores to hyphens for SEO URL

Advanced Htaccess – SSI, ErrorDocuments, DirectoryIndexing SEO

echomsg:(since 2.1) The value is a message that is sent back to the client if the echo set var="modified"value="$LAST_MODIFIED"--><! The test condition is evaluated and if the result is true, then the text until the next

mod_cache.c - Colorized Apache mod_cache.c at AskApache - AskApache

If yes:* deliver the content by installing the CACHE_OUT filter. . exposes a bug in mem_cache, since it does not * restore the status into it's handle. . reason = "HTTP Status 304 Not Modified";} else if (r->status == HTTP_OK

Apache Authentication in htaccess - AskApache

Everyone else will be stopped at the Apache login screen, and if they Thanks for the snippets, I pasted them into my blog since I tend to forget them very htaccess Tricks for Webmasters ·Speed Tips:Remove Last-Modified Header

Mod_Security .htaccess tricks - www.askapache.com

Since these are unique to you specifically and hard to spoof, use them to turn The ARG_url line says that if those words appear in the form field with the . I go to restart the server after .htaccess file has been modified and it

.htaccess trick to show Alternate CSS file based on IP

So my browser makes a request for the apache-0031.css file, and IF the request originates from Furthermore, since WP theme files usually reside in the Speed Tips:Remove Last-Modified Header ·Elite Log File Scrolling with Color www.askapache.com/;htaccess-trick-to-show-alternate-css-file-based-on-ip.html

AskApache Password Protection, For WordPress - AskApache

If you are worried about your WordPress blog getting hacked, this can help immensely. AskApache Password Protect since based on self-tests that this plugin .. both at the site and root levels — but they aren't modified at all.

Using FilesMatch and Files in htaccess - AskApache

Since this can have important effects on how configuration directives are If multiple sections apply to the same directory they are processed in the Speed Tips:Remove Last-Modified Header ·Speed Tips:Add Future Expires

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CSS and xhtml I've learned in great detail since 03. . these devices and provide them with modified files, effectively taking over the device. I don't care if you are physically and mentally handicapped or even completely just a

Notes from Apache HTTPD Source Code

Else if a valid If-Unmodified-Since request-header field was given. * AND the requested resource has been modified since the time * specified in this field,

Blocking Bad Bots and Scrapers with .htaccess - AskApache

ErrorDocument 403 /403.html RewriteEngine On RewriteBase / # IF THE UA .. all of it despite the mentioning of “alternate” since I spotted that they differ. . PHP htaccess tips and tricks ·Speed Tips:Remove Last-Modified Header

An AskApache Plugin Upgrade to Rule them All - AskApache

about what I was doing with fsockopen, and I've been improving on that example ever since. . 22 Jul 2009 06:29:58 GMT Server:Apache Last-Modified:Wed, . Its worth a look, even if you need a couple of days to get you started.

Apache SSL in htaccess examples - AskApache

What if a user types in https://secureurl.com:80 There are a lot of these .. with Internet Explorer, since the site tries to serve up the page via HTTPS. . htaccess Tricks for Webmasters ·Speed Tips:Remove Last-Modified Header

Prevent WP-Cache from Caching index - AskApache

Modified wp_cache_is_rejected function Since if using pretty urls are being used everything goes to index.php, will it really disable just a home page?

Hacking WP Super Cache for Speed - AskApache

Hi, don't know if is old news or not, for me W3 Total Cache is an alternative, personally i Any chance of an update/review since this post? . Speed Tips:Remove Last-Modified Header ·Vetted – Top 3 WordPress Speed Plugins

Speed Tips:Use Multiple SubDomains - AskApache

If you are an incredibly savvy and experienced web developer, . using this technique ever since I used to get more then 10000 hits a day. dreamhost Speed Tips:Remove Last-Modified Header ·Speed Tips:Add Future Expires Headers

Wget Trick to Download from Restrictive Sites - AskApache

global file, since ## they are potentially dangerous to "normal"users. This can also be used to see if competitors web sites are feeding google spider food. Speed Tips:Remove Last-Modified Header ·Multiply your DreamHost

Mirroring an Entire Site using Rsync over SSH - www.askapache.com

Apr 8, 2009 This cronjob runs every 30 minutes, copying all modified files from my If you like candy that is.. It's called each time anything logs into . ssh, which is what I'm doing, since the algorithms used by rsync are

Speed up your site with Caching and cache-control - www.askapache.com

Since i am not into these things it looks like if i use both of them my website Speed Tips:Remove Last-Modified Header ·PHP htaccess tips and tricks www.askapache.com/;speed-up-your-site-with-caching-and-cache-control.html

Apache Web Server Speed Configuration Hacks - AskApache

This doesn't have much effect on performance if the server isn't restarted frequently. on the client side since all major browsers support these methods. . Speed Tips:Turn On Compression ·Speed Tips:Remove Last-Modified Header

Questions I Ask Web Hosting Companies, Before Buying - AskApache

If you've read any other articles on AskApache, you can see a certain obsession towards optimization, . And are they modified/customized by you guys in any way? it would be very helpful since shared hosting is still popular

HTTP Status Codes and .htaccess ErrorDocuments

There are a total of 57 HTTP Status Codes recognized by the Apache Web Server. Wouldn’t you like to see what all those headers and their output, ErrorDocuments look like?

mod_rewrite Fix for Caching Updated Files

Web Developers sometimes use file.ext?v=004 as a version control system to force visitors to use updated files. This is terrible. Instead link to apache-003.css and set it to be cached forever. When you change the file you just change the links to apache-004.css. That eliminates millions of bandwidth and resource robbing If-Modified-Since requests. You only need Apache with mod_rewrite, and 1-10 minutes!

Htaccess SetEnvIf and SetEnvIfNoCase Examples

SetEnv, SetEnvIf, and SetEnvIfNoCase directives conditionally set environment variables accessible by scripts and apache based on HTTP Headers, Variables, and Request information.

View Detailed HTTP Headers

HTTP Headers HTTP Header Name Header Description Example HTTP Header Accept Content-Types that are acceptable Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 Accept-Charset Character sets that are acceptable Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Accept-Encoding Acceptable encodings Accept-Encoding: gzip,deflate Accept-Language Acceptable languages for response Accept-Language: en-us,en Accept-Ranges What partial content range types this server supports Accept-Ranges: bytes Age The age the object has been in a proxy cache in seconds Age: 7200 Allow Valid actions for a specified resource. To be used for a 405 Method not allowed Allow: GET,HEAD,POST,OPTIONS,TRACE Authorization Authentication credentials for HTTP authentication Authorization: Basic UXNrYXBhggRfoopc5NteWFzcw== Cache-Control Controls how proxies may cache this object Cache-Control: max-age=7200,…

Speed Up Google Analytics with urchin.js

Update: This article is a bit dated, to get the newest and latest Google Analytics Speed Tips, check out the 3 part update about Hosting, Cookie Domains, and JavaScript Loading and Failproofs Ever notice that sometimes your sites take a while to load all the way because google’s urchin.js file is taking forever? You may recognize this problem when you see something similar to this in your browsers status bar “Transferring data from google-analytics.com…” Time To Setup? 4 minutes I got tired of seeing that all the time and so I set up an automated cronjob that runs every 12…

Speed Tips: Remove Last-Modified Header

If you remove the Last-Modified and ETag header, you will totally eliminate If-Modified-Since and If-None-Match requests and their 304 Not Modified Responses.

Speed Tips: Turn Off ETags

ETags OffBy removing the ETag header, you disable caches and browsers from being able to validate files, so they are forced to rely on your Cache-Control and Expires header.

Speed Up Sites with php Caching

This explains the basic methods to get started caching with php headers

Speed Up Sites with htaccess Caching

2 awesome ways to implement caching on your website using Apache .htaccess or httpd.conf. Both methods are extremely simple to set up and will dramatically speed up your site!


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