Sample Banner Ads 320x50
Sample multi-colored banners for testing and debugging advertising campaigns. 320x50 is the IAB standard, mostly used on mobile devices, also referred to as Mobile Leaderboard. Below are the test banners available for download
🧠 IAB Standards
Banner sizes are defined by IAB (Interactive Advertising Bureau) standards. Each size has its typical page placement and effectiveness. The most popular formats: 300×250 (Medium Rectangle, embedded in content), 728×90 (Leaderboard, page header), 160×600 (Wide Skyscraper, sidebar).






