Google Lighthouse > "Use efficient cache lifetimes"

If Google PageSpeed / Lighthouse mentions "use efficient cache lifetimes" then you can put the following in your .htaccess

<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresDefault "access plus 1 month"
    ExpiresByType text/css "access plus 1 month"
    ExpiresByType application/javascript "access plus 1 month"
    ExpiresByType image/gif "access plus 1 month"
    ExpiresByType image/jpg "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/x-icon "access plus 1 month"
    ExpiresByType application/pdf "access plus 1 month"
    ExpiresByType application/x-shockwave-flash "access plus 1 month"
</IfModule>