Tag Archives: Gzip Compression in magento

Magento site speed up through htaccess

There are few step to speed up the site through htaccess.

Step 1: Gzip Compression For Magento

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## enable resulting html compression
    php_flag zlib.output_compression on

Step2: (optional) Compressing CSS and JavaScript files

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############################################
 
## compress text, html, javascript, css, xml:
 
AddOutputFilterByType DEFLATE text/plain
 
AddOutputFilterByType DEFLATE text/html
 
AddOutputFilterByType DEFLATE text/xml
 
AddOutputFilterByType DEFLATE text/css
 
AddOutputFilterByType DEFLATE application/xml
 
AddOutputFilterByType DEFLATE application/xhtml+xml
 
AddOutputFilterByType DEFLATE application/rss+xml
 
AddOutputFilterByType DEFLATE application/javascript
 
AddOutputFilterByType DEFLATE application/x-javascript
 
# Or, compress certain file types by extension:
 
<files *.html>
 
SetOutputFilter DEFLATE
 
</files>
############################################

Step3: Leverage Browser Caching and Expires Headers

Leverage Browser Caching and Expires Headers. This code will reduce the number of HTTP request.

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##
 
<IfModule mod_expires.c>
 
# Enable expirations
 
ExpiresActive On
 
# Default directive
 
ExpiresDefault "access plus 1 month"
 
# My favicon
 
ExpiresByType image/x-icon "access plus 1 year?
 
# Images
 
ExpiresByType image/gif "access plus 1 month"
 
ExpiresByType image/png "access plus 1 month"
 
ExpiresByType image/jpg "access plus 1 month"
 
ExpiresByType image/jpeg "access plus 1 month"
 
# CSS
 
ExpiresByType text/css "access 1 month?
 
# Javascript
 
ExpiresByType application/javascript "access plus 1 year"
 
</IfModule>
 
############################################

Step4: Disable ETags

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############################################
## If running in cluster environment, uncomment this
## http://developer.yahoo.com/performance/rules.html#etags
  
    FileETag none

Step5: Enable Output Compression

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############################################
## enable apache served files compression
## http://developer.yahoo.com/performance/rules.html#gzip
  
    # Insert filter on all content
    SetOutputFilter DEFLATE
    # Insert filter on selected content types only
    AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript
  
    # Netscape 4.x has some problems...
    BrowserMatch ^Mozilla/4 gzip-only-text/html
  
    # Netscape 4.06-4.08 have some more problems
    BrowserMatch ^Mozilla/4\.0[678] no-gzip
  
    # MSIE masquerades as Netscape, but it is fine
    BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
  
    # Don't compress images
    SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary
  
    # Make sure proxies don't deliver the wrong content
    Header append Vary User-Agent env=!dont-vary
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