First, try to disable addons. No, really. I was lagging as well, and by lagging I mean FPS down to zero, stuttering and so on. I reduced particles, view distance etc. pp. Nothing helped. (16GB RAM, AM
that doesn't make sense though, I have friends who live in Germany, close to the EU servers and they have crashes and experience the same lag and issues as those of us living in other parts of Europe.