"Sorteer op Hip" sounds weird to me. (I think it's sort by trending in English).
Alternative, maybe Sorteer op populariteit
Also don't like the word "winkelgalerij" in the description of what a treasury is.
(Een steeds veranderende, door leden samengestelde winkelgalerij)
I would prefer something along the lines of: Door leden samengestelde collecties.
On the page of making a treasury, the text about curating for the European homepage makes it sound that if you follow those guidelines, your treasury will be on the homepage for sure. When really, it's just as chance to be featured.
(Als je wil dat jouw lijst op de Etsyhomepage komt te staan, volg dan deze tips:)
It should say something like: Wil je kans maken om met jouw treasury op de voorpagina te verschijnen, volg dan deze tips:
The third tip doesn't make any sense. basically it says "Decorate it." (versier het). In English this was "Make it beautiful!"
For the European FP check, it didn't show me (by red colour) which is the item that cannot be sent to Europe. I had to click of all of them to find the one item that wouldn't ship here. But for the other requirement (8 items from Europe) it did show in red (very useful)