As someone using Evernote for ~10 years, it has been terrible for me recently too. I have been getting a "Sorry, we’re having some trouble loading Evernote Web." error about 80% of the time I open their web app for the past 1-2 weeks.

This thread is the first time I even heard about notion, but since they are getting so much praise here and since they made it so easy to import my notes, I just switched over.