Enable GZIP Compression in WordPress via .htaccess
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Explanation
To make your WordPress site load faster, you can enable GZIP compression using the .htaccess file. This helps compress files like HTML, CSS, and JavaScript, making them smaller and quicker to download.
Here's a simple breakdown of what the code does:
- Compress Files: The code compresses various types of files such as HTML, CSS, JavaScript, fonts, and XML. This is done using the
AddOutputFilterByType DEFLATEdirective, which tells the server to compress these file types before sending them to the browser. - Browser Compatibility: It includes some rules to handle older browsers that might have issues with GZIP. This ensures that the compression doesn't break the site for users on older browsers.
- Vary Header: The
Header append Vary User-Agentline helps with caching by informing proxies and CDNs that different versions of the page might be sent to different browsers.
By adding this snippet to your .htaccess file, you're instructing the server to compress these files, which can significantly improve your site's loading speed and overall performance.
Code
# BEGIN GZIP Compression
<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
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>
# END GZIP CompressionInstructions
To enable GZIP compression on your WordPress site, follow these steps to modify your .htaccess file. This will help compress files like HTML, CSS, and JavaScript, making them smaller and quicker to download.
Prerequisites:
- Access to your WordPress site's root directory.
- Basic understanding of FTP or file manager in your hosting control panel.
Implementation Steps:
- Locate the .htaccess File:
- Use an FTP client or your hosting provider's file manager to access your WordPress site's root directory.
- Look for the .htaccess file. If you can't see it, ensure that your file manager is set to display hidden files.
- Backup the .htaccess File:
- Before making any changes, download a copy of the existing .htaccess file to your computer as a backup.
- Edit the .htaccess File:
- Open the .htaccess file in a text editor.
- Copy the provided GZIP compression code snippet.
- Paste the code at the end of your .htaccess file.
- Save and Upload:
- Save the changes in your text editor.
- Upload the modified .htaccess file back to your WordPress site's root directory, overwriting the existing file.
- Test Your Site:
- Visit your website to ensure it loads correctly.
- Use online tools like GiftOfSpeed GZIP Test to verify that GZIP compression is enabled.
If you encounter any issues or need further assistance, consider reaching out to the experts at wp-dude.com for professional help with implementation or more advanced functionality.