JCH optimize don't allow to show the chat button.

If you are using "JCH optimize Pro" Joomla Plugin and you can't see the chat button after been deployed on your page is very possible that the javascript code is been removed from your site loading.

Solution 1:

The obvious solution is exclude the component from aggregation but this option sometimes not work well.

Solution 2:

The best solution is to set OFF the option "Combine CSS and javascript files".