You say > Why do you care what the rendering engine is? then later you say > I currently have a tab open that will just keep loading forever every time I loa

You say > Why do you care what the rendering engine is? then later you say > I currently have a tab open that will just keep loading forever every time I load the browser, taking 100% CPU, until I go and press escape to stop loading. It's slow as hell and frequently freezes. Do you not see that those two things may be related?