Hello,
Please follow this article – https://xstore.helpscoutdocs.com/article/100-how-to-speed-up-my-website
Edit Home page > Products element > Products Data > change Limit from 50 to 11, you can activate Slider loop – https://gyazo.com/329c1781d1612802701956e4aa7cc304
About this – https://gyazo.com/135ba6ac973bf476fdec5735e59b59a7 ( https://tools.pingdom.com/ )contact your hosting provider. https://www.8theme.com/topic/speed-issue-with-theme/
I’ve optimized 2 images of your slider – https://gyazo.com/5ed9fc1e23ed92b8a26a3d43143eedab – https://tinypng.com/
Regards