The following cacheable resources have a short freshness lifetime. Specify an expiration at least one week in the future for the following resources:
Add the following to your .htaccess file (host/server support required):
<IfModule mod_expires.c>
ExpiresActive on
ExpiresByType text/css "access plus 60 days"
ExpiresByType text/javascript "access plus 60 days"
ExpiresByType image/ico "access plus 60 days"
ExpiresByType image/jpg "access plus 60 days"
ExpiresByType image/jpeg "access plus 60 days"
ExpiresByType image/gif "access plus 60 days"
ExpiresByType image/png "access plus 60 days"
ExpiresByType text/css "access plus 60 days"
ExpiresByType text/html "access plus 60 days"
</IfModule>
The 60 days can be changed to a lower #
Ref: https://httpd.apache.org/docs/2.2/mod/mod_expires.html
I use WP Super Cache and set garbage collection to a high # also.
My Score = A (92)@ same
https://gtmetrix.com/reports/seacoastwebservice.com/FqNGJMmt
You may also consider a simple, basic, & static home page with less images and no players.
The following images are resized in HTML or CSS. Serving scaled images could save 185.4KiB (50% reduction).
Use a tool such as GIMP to optimize your uploaded images and make sure they are the exact size that will be presented in the browser so they do not have to be re-sized in the browser. A Web inspection tool, available in Chrome, Firefox and IE9, can help.