I tried and it barely made things better. There are a ton of processes and css that slow things down.
I turned off all the fancy stuff.
I tested your demo sites on various testing sites and they are also very slow. You get 49/100 on Google Pagespeed which is pretty bad, as you know.
My site gets a score of 19, which is beyond bad for a pretty simple home page.
What can be done to speed things up? Some people say certain processes can be joined together which helps with the page load. If that is true, how would I go about doing it?