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Test different colors, CTAs, and images to see which version produces the best CTR.

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. Test different colors, CTAs, and images to see

Use a clear, concise message. The audience has only a few seconds to understand the offer. Use a clear, concise message

If using GIF, keep animation simple to avoid distracting the user from the message. Provide a list of best ad networks for this format? Discuss ad copy strategies to improve CTR? Google Display Ad Size Guide & Free Templates - Figma Provide a list of best ad networks for this format

While 728x90 is desktop-focused, ensure your overall campaign includes mobile-responsive alternatives (like 320x50 or 300x250) for a full, effective campaign.

Typically 150KB, though some platforms may vary.