So, in the Storque they have the results of the latest Etsy survey. Here are some snippets, but you should definitely check out the full article here.
Keep blogging: Lots of buyers find out about Etsy through blogs. To be exact, 26% find out about Etsy on blogs and 17% find out about the handmade products they buy on blogs. The good news is 51% of the sellers who responded to the survey participate in blogging.
Use Etsy Mini: Almost all people who use Etsy mini (40% of total sellers) find it a valuable tool for promoting their shops. So if you haven’t already, add an Etsy mini to your blog.
Consider using category showcases: Buyers found Category Showcases an important feature and frequently use category pages, the second most likely way to search for items on Etsy.
Showcase the uniqueness of your items: Buyers shop on Etsy primarily to find unique items, because they value handmade goods and they want to support independent artists. Buyers, and 80% of all respondents, are also willing to pay more for high quality, well crafted items.