Thanks for contacting us and choosing our product!
We have just checked your site and see it have Page Speed is good (don’t use any optimize plugins now): http://prntscr.com/opteao
but it took 16s to load your site.
You can use these plugin to optimize:
If it still snow you should change your server because our demo site and lower score but it load more faster: http://prntscr.com/optf8r
(We don’t use any optimize. The score will increase when optimize it)
Hope this help!