Why this site is so little visited? Because it is not interesting! Or because it is too little known.
Frequently new contents are a good means that the website remains interesting. You should offer the visitor even easier ways for feedback. I think of rating buttons in the stages "oh yes", "oh", "well", "oh no", "oh dear".
The visitor should perhaps add tags to pictures and sections. This naturally requires a search for keywords.
Finally, the visitor bookmarks and images should be able to compose himself. The compilation should but (initially) remain stored on the local device. Otherwise I have to do a lot of thinking on the protection of personal data.
I also think of a connection of my dresses database to the Web. But until then flows much water through the Rhine.