The USABILITY OF THE SITE Serious Affects The LEVEL of Income that it Brings. Thus, Studies of Analysts Havy Shown that ABOUT HALF of POTENTIAL BUYERS OF GOODS and SERVICES OFFERED BY THE SITE DISAPPEARSH Esigning the Forms of Order Overloaded with Questions. But Still, it is not Worth Itsause of the Problems with USABILITY TO PANIC and Stop Working. AFTER ALL, TODAY THERA MANY SPECIALISALISTS WHO OPTIMIZE THE SITE in SUCH A WAY that it Becomes An Effective Tool For Using All Interests.