Hi there, first of all your Etsy Shop is stunning. I love your art! I had all A and B grades and struggled with sales. In June, July and August I started looking at my listings that had low viability ratings. I notices that even though they had an A rating the visibility was 9%. What I noticed is I had a majority of keywords that were in the very high competition category. So using the keyword ranking tool I put in the keyword I was using that had the very high competition rating. Then I sorted the competition column with the high competition rating at the top. I looked at the high competition, medium competition and low competition key words to see if they fit my listing. I eliminated any words that had low demand or low engagement. I replaced very high competition keywords with these new keywords.
Once I had the key words changed I renewed the listing. In July I had my best month ever on Etsy and I started my shop in 2008. So far August has been a very good month too. Typically summers are not my best sales months. I sell in Spring and Fall. I think that is because I sell fine art photography and that is when people are looking to decorate their homes. So to have an amazing July sales were up 482% over last year at this time.
I looked at your descriptions and ran them through the bulk key word took and they didn't rate well. Of course I couldn't be sure that your descriptions were tags you used.
I hope this helps.