Weird, today, I crashed on a page (while trying to return to another page), but then could get back here (over the e-mail link) without further error message, and I have to refresh the page from time to time; additionally, I am slowed down at certain hours. Certain sites are faster, others much slower.
As to PM's, I noticed that, sometimes, it takes two or three clicks to get to the corresponding box.
But I did not have to log in every time.