PM me whatever your IP is, and the exact times you see problems. Best if you do this from a desktop, as phones may not give the same results. Go to www.whatismyip.com to find it if you don't know. It could very well be the DDoS rate limiting kicking in, I had to crank it up to 11 a while back due to attacks on the site. I see literally none of these issues from my end, but it's possible that some of you are coming through some kind of shared proxy IP or otherwise just triggering a bunch of simultaneous sessions which are causing the system to give you the finger.