People who decide they want to place a banner in Google AdWords are often hesitant about which of the possible banner sizes would bring them the most success.
The main options are the following:
banner: 468 x 60;
scoreboard: 728 x 90;
square: 250 x 250;
small square: 200 x 200;
large rectangle: 336 x 280;
built-in rectangle: 300 x 250;
skyscraper: 120 x 600;
wide skyscraper: 160 x 600;
half page: 300 x 600;
all options.
After various studies worldwide, the following options have been singled out as the most easily gaining and attracting attention:
scoreboard: 728 x 90;
wide skyscraper: 160 x 600;
built-in rectangle: 300 x 250.
Statistics are always useful, so they can also help you choose the best banner ad options on the Google Display Network. However, it's best to use all possible banner ad options to reach your maximum reach.