Problem #1, you need to have that first page filled with items. People want to know that they are purchasing from a real shop which leads me to the other issues.
Problem #2, art is personal. If you went to a museum or gallery showing, the artist would be there or in the case of a museum, there is detailed information about the artist. The buyer wants to know you, they want to know what inspired you to create your art, who or what is your muse? I buy art from artists I relate to in some way. I can't do this with your art--you are absent.
Problem #3, What makes you different from everyone else? It is you. I can talk to you about business models, but first you need to fill out your about page, your policy page, your shop announcements. Tell us your story, we want to hear about you. Otherwise, we can just buy anonymous garbage from overseas.
The GOOD: Your photos are great. There is consistency to your page. This is all important. Hope this helps.