How to Enable Gzip Compression In WordPress via .htaccess file?

When Gzip compression isn't enabled on WordPress website, Google PageSpeed Insight gives you a warning to Enable Compression. There are a couple ways you can fix this warning. The first, and one of the easiest is by using a caching plugin that supports enabling Gzip.

You can enable Enable HTTP (gzip) compression through caching plugin like W3 Total Cache or specific compression plugin like GZip Ninja Speed Compression. As an alternate way, you can enable Gzip compression is by editing your .htaccess file.

  1. Log into your cPanel.

  2. Under Files section, select File Manager menu.

  3. cPanel will popup a message asking you where you would like land within your website directories. In the same window, you will see the checkbox asking if you would like to show hidden files. Check the checkbox Show Hidden Files and click Go.

  4. Under public_html folder of your website, find and edit the file called .htaccess.

  5. Paste the following code into .htaccess file at the end of your existing content.

    <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
    
    # Removing browser bugs for older 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>

    Add Code in .htaccess File to Enable GZIP Compression

  6.  Save the changes.


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