I've tried numerous times to auto route a board, both with the cloud and local auto routers. It says it's at 75%, but it leaves many traces un-routed, even though they would be easy to route. It does fine with the left half of the board, but almost completely skips the right half. 
Chrome
78.0.3904.87
OS X
10_14_6
EasyEDA
6.2.46