LightSpeed Server Cache https://technumero.com/increase-page-speed-using-htaccess-wordpress/

.htaccess

#
# Paste the following code into your .Htaccess file
# Don’t forget to change sample.com with your own domain name. 
# If you don’t want to enable caching on multiple domains delete the hyphen (|) and other domains.
#


# TN – ENABLE LITESPEED CACHE START
    <IfModule LiteSpeed>
        CacheEnable public
        RewriteEngine On
        RewriteCond %{REQUEST_METHOD} ^GET|HEAD$
        RewriteCond %{HTTP_HOST} ^sample.com|sample.net|sample.org [NC]
        RewriteCond %{REQUEST_URI} !login|admin|register|post|cron
        RewriteCond %{QUERY_STRING} !nocache
        RewriteRule .* - [E=Cache-Control:max-age=300]
    </IfModule>
# TN – ENABLE LITESPEED CACHE END