I had this problem, bad, only with the battles in GE, and Battlegrounds. The city actions worked fine. As it happened , in the beginning of the problem, sometime last year, I was using Chrome. I switched to Firefox and it seemed to improve the situation. Now, for the last month , at least, horrible lag, horrible freezing. I switched back to Chrome again yesterday, and it's better. I was told Chrome is now loaded with the HTML 5 so maybe that is what made it improve. I feel for anyone experiencing bad lag or freezing, it is frustrating to no end!