Improve performance scores (Pagespeed insights guides you), get rid of those Animations as they don't add value, add search suggestions (take a look at Instants

Improve performance scores (Pagespeed insights guides you), get rid of those Animations as they don't add value, add search suggestions (take a look at Instantsearch), add guest checkout, add some "trusted shop" certificate, and, most important add way more product information! It's content commerce these days.