Place the most important information (logo or offer) prominently.
Usually placed at the top of a webpage, below the header, or at the bottom, offering high visibility. Place the most important information (logo or offer)
Here is an informative guide on developing high-performing 728x90 leaderboard banners based on industry best practices: 1. Understanding 728x90 Leaderboard Ads 728 pixels wide by 90 pixels tall. below the header