This tool helps you check all javascript resources on your website are cached or not. By caching the javascript resources, the page load time can be reduced. Page load time is one of the factors in a search engine rankings to the your website.
You can set of the expires tag headers for your javascript resources. You can add the following lines into your .web.conf file:
location ~* \.(js)$ { add_header Cache-Control public; add_header Cache-Control must-revalidate; expires 7d; }
If you using .htaccess file:
ExpiresActive On ExpiresByType application/x-javascript "access plus 216000 seconds" ExpiresByType application/javascript "access plus 216000 seconds"
This script will only work if you have mod_expires and mod_headers enabled in Apache
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