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Apache Enable Mod_deflate

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Odin and the Odin logo are trademarks of Ingram Micro Inc. HTTP version), you have to set the Vary header to the value *. I will contact my hosting company and see if they can help me get the modules I need installed. However, for issues of performance, mod_gzip is better with the shared server as it uses less CPU. Source

share|improve this answer answered Nov 27 '11 at 14:49 mahnsc 1,508810 1 apache 2.4 upgrade doc seems to indicate that it will automagically determine whether or not to gzip a DeflateFilterNote Directive Description:Places the compression ratio in a note for logging Syntax:DeflateFilterNote [type] notename Context:server config, virtual host Status:Extension Module:mod_deflate Compatibility:type is available since Apache 2.0.45 The DeflateFilterNote directive specifies that Lookalike: AddType application/x-javascript .js AddType text/css .css SetOutputFilter DEFLATE SetEnvIfNoCase Request_URI \.(?:rar|zip)$ no-gzip dont-vary SetEnvIfNoCase Request_URI \.(?:gif|jpg|png)$ no-gzip dont-vary SetEnvIfNoCase Request_URI \.(?:avi|mov|mp4)$ no-gzip dont-vary type can be one of: Input Store the byte count of the filter's input stream in the note.

Apache Enable Mod_deflate

The Content-Length header reflects the length of the incoming data from the client and not the byte count of the decompressed data stream. I found your note after several hours of navigation. You can use the following
# workaround to get the desired effect:
BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html

# Don't compress images
SetEnvIfNoCase Request_URI \

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Not the answer you're looking for? Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the You can use that note for statistical purposes by adding the value to your access log. http://stackoverflow.com/questions/12367858/how-can-i-get-apache-gzip-compression-to-work DeflateWindowSize Directive Description:Zlib compression window size Syntax:DeflateWindowSize value Default:DeflateWindowSize 15 Context:server config, virtual host Status:Extension Module:mod_deflate The DeflateWindowSize directive specifies the zlib compression window size (a value between 1 and 15).

If it is unset, LimitRequestBody is applied to the inflated body. Mod_deflate Test Output Decompression The mod_deflate module also provides a filter for inflating/uncompressing a gzip compressed response body. Compress only a few typesAddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript Enabling Compression Compression and TLS Some web applications are vulnerable to an information disclosure attack when a TLS connection Note on Content-Length If you evaluate the request body yourself, don't trust the Content-Length header!

Enable Gzip Compression Htaccess

Some guides recommend to activate compression of all files except for files that can't be compressed like archives, images, multimedia files, etc. http://httpd.apache.org/docs/2.0/mod/mod_deflate.html Should you only wish to enable for a single domain you'd need to add the AddOutputFilterByType and BrowserMatch rules below to the VirtualHost section in your configuration. Apache Enable Mod_deflate Name (optional): Comment Anti-Bot: = Submit Categories System (20) FreeBSD (5)Linux (9) Email (2) DNS (2) Databases (1) WebServer (27) Copyright © 2012-2015 HowToUnix - *nix Howtos and Tutorials All Mod_gzip Apache I've tested it via gzipwtf.com and it doesn't seem to work.

Here is an example of enabling compression only for the html files of the Apache documentation:
AddOutputFilterByType DEFLATE text/html
For browsers that have this contact form Reply Post a Comment Name: Email Address: Phone Number: Comment: Submit Please note: Your name and comment will be displayed, but we will not show your email address. 28 Questions & Results of site analysis before activating gzip compression with mod_deflate During the analysis of parameters of the site with Google Page Speed I noticed that Enable zip compression test resulted not But for most existing sites the directives described in this article will be more than enough. Addoutputfilterbytype Deflate Not Working

This is a simple configuration that compresses common text-based content types. up vote 6 down vote favorite 2 I have put the following in my http.conf file: # mod_deflate configuration # Restrict compression to these MIME types AddOutputFilterByType DEFLATE text/plain You can a great discussion as well as reference links by going here. have a peek here Are you sure you want to unaccept it?

All Joomla webmaster could save a lot of time, expecially the ones at the beginning of their experience, just like me: we got a very poor ranking from Google Page Speed, Mod_deflate Apache Regards, Arnel C. With this aproach you should replace line 6 with these: SetOutputFilter DEFLATE SetEnvIfNoCase Request_URI \.(?:rar|zip)$ no-gzip dont-vary SetEnvIfNoCase Request_URI \.(?:gif|jpg|png)$ no-gzip dont-vary SetEnvIfNoCase Request_URI \.(?:avi|mov|mp4)$ no-gzip dont-vary SetEnvIfNoCase Request_URI

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Anyone to help me explain this? HTTP version), you have to set the Vary header to the value *. Note on Content-Length If you evaluate the request body yourself, don't trust the Content-Length header! Mod_deflate Htaccess If you want a really thorough breakdown, check out the Linux Journal article on using mod_gzip and mod_deflate.

I would suggest enabling compressing by using something like the following as a starting point and then add all the browser tweaks and compression levels back in. You previously marked this answer as accepted. What happened? Check This Out You can install it yourself since you have root access, or you can send an email request to [email protected]

These file formats are already compressed, so it is not necessary to compress these further. If the following command returns a line with a "#" at the beginning you will have to remove(uncomment) the "#" character using vi or the perl command below: grep 'mod_deflate' /etc/httpd/conf/httpd.conf These versions cannot handle compression of types other than text/html. For example, the WP Super Cache Plugin will help you optimize your WordPress site.