gzip Compression for WordPress

01/30/2024
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<?php
/**
 * Enable GZIP compression for HTML, CSS, JavaScript, Text, XML, and fonts.
 *
 * This code snippet configures the server to enable GZIP compression for various file types,
 * including HTML, CSS, JavaScript, Text, XML, and font files. It also includes rules to handle
 * browser compatibility issues.
 *
 * Gist Keywords: wordpress, gzip, server optimization, speed, compression
 *
 * @category   Server Optimization
 * @author     Your Name
 * @version    1.0
 */

<IfModule mod_deflate.c>
  # Compress HTML, CSS, JavaScript, Text, XML, and fonts
  AddOutputFilterByType DEFLATE application/javascript
  AddOutputFilterByType DEFLATE application/rss+xml
  AddOutputFilterByType DEFLATE application/vnd.ms-fontobject
  AddOutputFilterByType DEFLATE application/x-font
  AddOutputFilterByType DEFLATE application/x-font-opentype
  AddOutputFilterByType DEFLATE application/x-font-otf
  AddOutputFilterByType DEFLATE application/x-font-truetype
  AddOutputFilterByType DEFLATE application/x-font-ttf
  AddOutputFilterByType DEFLATE application/x-javascript
  AddOutputFilterByType DEFLATE application/xhtml+xml
  AddOutputFilterByType DEFLATE application/xml
  AddOutputFilterByType DEFLATE font/opentype
  AddOutputFilterByType DEFLATE font/otf
  AddOutputFilterByType DEFLATE font/ttf
  AddOutputFilterByType DEFLATE image/svg+xml
  AddOutputFilterByType DEFLATE image/x-icon
  AddOutputFilterByType DEFLATE text/css
  AddOutputFilterByType DEFLATE text/html
  AddOutputFilterByType DEFLATE text/javascript
  AddOutputFilterByType DEFLATE text/plain
  AddOutputFilterByType DEFLATE text/xml  

  # Remove browser bugs (only needed for ancient browsers)
  BrowserMatch ^Mozilla/4 gzip-only-text/html
  BrowserMatch ^Mozilla/4.0[678] no-gzip
  BrowserMatch bMSIE !no-gzip !gzip-only-text/html
  Header append Vary User-Agent
</IfModule>
?>