File types
.JPG, .GIF, .PNG, 3. parts tags or HTML*

Formats
930×180
300×250
320×320
160×600
300×600
930×600
(All measurements are in pixels (width x height))

Weight
Max 120 KB per banner
If HTML or tags are used, 1 MB can be polite-loaded and 3 MB can be downloaded if the user clicks on the banner

*Clicktag
When using HTML or tags, a Google clicktag must be coded in the banner.