Magictool Box Issue

Dear ones,

magic tool box is a great addon for Cs Cart.

I've just notice that make the site slower in uploading.

Google speed insight give results:

Delete JavaScript and CSS that block the view in above-the-fold content
Optimize CSS publication

inside i've all magiczoom and magicscroll files

Remove the JavaScript code that blocks the view :
Optimize CSS publication of the following:

Some idea someone?