On my store front :https://www.zazzle.com/store/ibelieveimages/products
Go to refine by: department or category, making a selection, nothing happens. It shows a subcategory next to the word products above, but it doesn’t go there. And yes, they are all organized in my store management backend.
The team is aware of navigational issues on store pages. This is also being discussed here: https://community.zazzle.com/t5/technical-issues/product-category-navigation/m-p/66565
I’m going to lock this discussion since it’s roughly a duplicate of the discussion above. Feel free to add your feedback in the other conversation.