I had look into your website.
-> Reduce header section due to half of the page contains your header part.
-> Add social media page links of your website.
-> Use all images are in equal dimensions(https://www.crelution4u.com/collections/all).
-> You can add the description of items, An elegantly composed item description clarifies the advantages of the item and persuades the customer that they need the item as well as need it. Your item description is the one you need to catch their eye to in light of the fact that it can without much of a stretch pull in them and influence them to put in a request.
-> Add zooming Feature on images.
-> You can use open new tab on the links on the footer section and items on grid page, then customers are spent more time on your store.
-> Use all Gallery images dimensions are in equal.
-> Add item reviews.
-> And you can create your store blog, Your blog gives you the chance to make applicable substance for your clients. Utilize this as an advertising strategy to drive activity back to your site.
I hope these points are helpful for you.