Sooner or later, all Shopify stores are facing the same problem, slow page load. With all recent Google changes, is hard for a merchant to keep up with all loading page speed.
There are few ways on how a merchant can optimize his store, such as compressing product images, theme assets and so on. But, most of the changes are very technical and pretty difficult to make.
I will do my best to explain to you what are the steps to take if you want to optimize your Shopify store.