Slow response musescore online account

I have been experiencing extremely slow or unresponsive applications on my Musescore online- pro account (https://musescore.com/user/69096) for a whole week now.
Not only when logging in, but also when publishing scores newly created with Musescore Studio 4.5.2. And this both from the local app and via the online upload function.
Is there an explanation for this? And how to solve this?
Greetings, Johan