Display Ad Guidelines, Specifications and Instructions
All frontpage advertisements in Yahoo! Singapore, Malaysia, Philippines, Thailand, Indonesia, Vietnam and Asia must be served by Yahoo!. 1x1 pixel is not permitted on all Yahoo! frontpages. However, 3rd party click tracking is allowed.
With effect from 19-July-07, 3rd party ad serving and 3rd party rich media ads are not permitted in Yahoo! Philippines and Yahoo! Vietnam until further notice.
