WordPress – Optimisation

#public_html/.htaccess
<FilesMatch "\.(js|css|jpg|gif|png|pdf|swf|svg|svgz|ico|ttf|ttc|otf|eot|woff|woff2|webp)$">
 <IfModule mod_headers.c>
    ExpiresActive On
    ExpiresDefault  "access plus 1 year"
    Header set Cache-Control "public, immutable, max-age=31536000, s-maxage=31536000"
    Header set Access-Control-Allow-Origin "*"
 </IfModule>
</FilesMatch>

#public_html/wp-content/cache/autoptimize/.htaccess

## Comment out:
#<IfModule mod_expires.c>
#        ExpiresActive On
#        ExpiresByType text/css A30672000
#        ExpiresByType text/javascript A30672000
#        ExpiresByType application/javascript A30672000
#</IfModule>
#<IfModule mod_headers.c>
#    Header append Cache-Control "public, immutable"
#</IfModule>

## Add
<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresByType text/css "access 1 year"
    ExpiresByType text/javascript "access 1 year"
    ExpiresByType application/javascript "access 1 year"
    Header set Cache-Control "public, immutable, max-age=31536000, s-maxage=31536000"
    Header set Access-Control-Allow-Origin "*"
</IfModule>