Hello, i’m not official support, but i have interest on web optimisation… i see that your site preload images and there are 3 images alone that can sum up to 6mb alone (one of the image load twice because the second call is using parameter, they are:
Optimize this 3 images alone can significantly impact your speed performance.
If you need to consult more, add my skype: veematics
i have tools that can make your site at least 150% faster..
it won’t be free, but you don’t have to spend money if you’re in budget..