120 x 240 pixel: Vertical Banner: Banner size commonly used to put it in the right margin. Side or edge of the site due to the use of the space vertically. Not disturbed areas to display the contents of the website too.
120 x 240 pixel: Vertical Banner: banner size used to put in the right edges. Edge or side of a website due to use of vertical space Bother the central area that is used to display the contents of the website very much.