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Sometimes I'll have characters appearing slowly on screen, an unwelcome beach ball or pages like google images will freeze while scrolling.
When this happens often all seems calm in activity monitor, nothing is above 20% CPU, so what can I do to diagnose the cause of slowness or unresponsiveness?
1Check memory usage - you are possibly short of RAM – suspectus – 2014-08-20T21:21:28.547