In the virtual world of the web & electronic telecommunication it not very takes any time for the elderly expertise to get replaced by the latest expertise. Earlier the sites were designed to be compatible with the desktop personal computers & lap tops.
Few of the major reasons for the improper presentation of the web-site on the screen of the iPhone tool are as follows.

Formatting:
Compared to the screen of the laptops & desktop personal computers the screen of the iPhone tool is much smaller. It is but natural that the web-site displayed on the screen of those laptops & desktop PCs is not going to be displayed the same way on the screen of the iPhone. The presentation of the web-site on the screen of any tool chiefly depends on the way it's been formatted. So when the web-site is designed to be compatible with the iPhone tool it ought to be formatted for the way it ought to be seen on the iPhone tool.

Light weight:
The web-site ought to be as light as feasible. If the downloading of the web-site takes an extended time, it not only plays with the patience of the user but also adds to the bill. It is feasible that because of this the user may skip on to another web-site. So the web-site that is prepared for the iPhones ought to be as light as feasible & be downloaded on the screen of the tool as quickly as feasible.

Graphics:
The graphics used in the web-site ought to not be so heavy that the downloading speed is slowed & it takes an extended time to download the web-site. The graphics ought to be selected carefully & ought to weigh as tiny as feasible.

Navigation:
The keypad of the iPhone tool is different from the keyboard of the desktop PC or laptop computer. In most of the models of iPhone the touch screen has taken the place of the keyboard. It is apparent that the mode of navigation in the web-site accessed through the iPhone is going to be different.