A study commissioned by webhoster RackSpace found slow websites lead to "Mouse Rage Syndrome" (MRS).
Consumers who are shopping for gifts don't like waiting for slow websites and they start to get stressed. These slow and badly designed lead to things like people bashing their mouse and cursing the screen.
The study used 2,500 test persons which were asked to search for information on several websites. While they were surfing the researchers measured their physic and physical reactions.
Slow loading websites, bad site layouts, popups, annoying advertisements and other things can lead to the following symptoms: