Apache Server Configuration

Go to cPanel → Optimize Website → Compress the specified MIME type

application/atom+xml
application/javascript
application/json
application/ld+json
application/manifest+json
application/rss+xml
application/x-web-app-manifest+json
application/xhtml+xml
application/xml
image/svg+xml
text/html
text/cache-manifest
text/css
text/plain
text/vcard
text/x-cross-domain-policy

Use the following in the .htaccess file. Code courtesy of the HTML5 Boilerplate Project. See Apache Docs for more details.

It's strongly recommended you use cache-busting or set the maximum time to access plus 2 weeks.

<IfModule mod_expires.c>

	ExpiresActive on

	ExpiresDefault  "access plus 1 month"
	ExpiresByType text/css  "access plus 1 year"
	ExpiresByType application/atom+xml  "access plus 1 hour"
	ExpiresByType application/rdf+xml   "access plus 1 hour"
	ExpiresByType application/rss+xml   "access plus 1 hour"
	ExpiresByType application/json  "access plus 0 seconds"
	ExpiresByType application/ld+json   "access plus 0 seconds"
	ExpiresByType application/schema+json   "access plus 0 seconds"
	ExpiresByType application/vnd.geo+json  "access plus 0 seconds"
	ExpiresByType application/xml   "access plus 0 seconds"
	ExpiresByType text/xml  "access plus 0 seconds"
	ExpiresByType image/vnd.microsoft.icon  "access plus 1 week"
	ExpiresByType image/x-icon  "access plus 1 week"
	ExpiresByType text/html "access plus 0 seconds"
	ExpiresByType application/javascript"access plus 1 year"
	ExpiresByType application/x-javascript  "access plus 1 year"
	ExpiresByType text/javascript   "access plus 1 year"
	ExpiresByType application/manifest+json "access plus 1 week"
	ExpiresByType application/x-web-app-manifest+json   "access plus 0 seconds"
	ExpiresByType text/cache-manifest   "access plus 0 seconds"
	ExpiresByType audio/ogg "access plus 1 month"
	ExpiresByType image/bmp "access plus 1 month"
	ExpiresByType image/gif "access plus 1 month"
	ExpiresByType image/jpeg"access plus 1 month"
	ExpiresByType image/png "access plus 1 month"
	ExpiresByType image/svg+xml "access plus 1 month"
	ExpiresByType image/webp"access plus 1 month"
	ExpiresByType video/mp4 "access plus 1 month"
	ExpiresByType video/ogg "access plus 1 month"
	ExpiresByType video/webm"access plus 1 month"
	ExpiresByType application/vnd.ms-fontobject "access plus 1 month"
	ExpiresByType font/eot  "access plus 1 month"
	ExpiresByType font/opentype "access plus 1 month"
	ExpiresByType application/x-font-ttf"access plus 1 month"
	ExpiresByType application/font-woff "access plus 1 month"
	ExpiresByType application/x-font-woff   "access plus 1 month"
	ExpiresByType font/woff "access plus 1 month"
	ExpiresByType application/font-woff2"access plus 1 month"
	ExpiresByType text/x-cross-domain-policy"access plus 1 week"

</IfModule>

<IfModule mod_expires.c>

	ExpiresActive on

	ExpiresDefault  "access plus 1 week"
	ExpiresByType text/css  "access plus 1 week"
	ExpiresByType application/atom+xml  "access plus 1 hour"
	ExpiresByType application/rdf+xml   "access plus 1 hour"
	ExpiresByType application/rss+xml   "access plus 1 hour"
	ExpiresByType application/json  "access plus 0 seconds"
	ExpiresByType application/ld+json   "access plus 0 seconds"
	ExpiresByType application/schema+json   "access plus 0 seconds"
	ExpiresByType application/vnd.geo+json  "access plus 0 seconds"
	ExpiresByType application/xml   "access plus 0 seconds"
	ExpiresByType text/xml  "access plus 0 seconds"
	ExpiresByType image/vnd.microsoft.icon  "access plus 1 week"
	ExpiresByType image/x-icon  "access plus 1 week"
	ExpiresByType text/html "access plus 0 seconds"
	ExpiresByType application/javascript"access plus 1 week"
	ExpiresByType application/x-javascript  "access plus 1 week"
	ExpiresByType text/javascript   "access plus 1 week"
	ExpiresByType application/manifest+json "access plus 1 week"
	ExpiresByType application/x-web-app-manifest+json   "access plus 0 seconds"
	ExpiresByType text/cache-manifest   "access plus 0 seconds"
	ExpiresByType audio/ogg "access plus 1 week"
	ExpiresByType image/bmp "access plus 1 week"
	ExpiresByType image/gif "access plus 1 week"
	ExpiresByType image/jpeg"access plus 1 week"
	ExpiresByType image/png "access plus 1 week"
	ExpiresByType image/svg+xml "access plus 1 week"
	ExpiresByType image/webp"access plus 1 week"
	ExpiresByType video/mp4 "access plus 1 week"
	ExpiresByType video/ogg "access plus 1 week"
	ExpiresByType video/webm"access plus 1 week"
	ExpiresByType application/vnd.ms-fontobject "access plus 1 week"
	ExpiresByType font/eot  "access plus 1 week"
	ExpiresByType font/opentype "access plus 1 week"
	ExpiresByType application/x-font-ttf"access plus 1 week"
	ExpiresByType application/font-woff "access plus 1 week"
	ExpiresByType application/x-font-woff   "access plus 1 week"
	ExpiresByType font/woff "access plus 1 week"
	ExpiresByType application/font-woff2"access plus 1 week"
	ExpiresByType text/x-cross-domain-policy"access plus 1 week"

</IfModule>