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Banner ad specs

Banner ads are static display units for mobile. For GAM setup, see GAM banner format.

Creative guidelines

  • Static only: No animation, video, or moving GIF elements.
  • Legibility: Use clear visuals and simple copy readable at 320×50. Avoid dense text, fine print, or cluttered layouts.
  • Contrast: Strong contrast between background, text, and logo.
  • Single focus: One brand mark and one short message work best at this size.
  • File size: Optimize the image so it stays within the maximum file size in the specifications table while remaining sharp.

Specifications

SpecRequirement
File typesJPEG, PNG, or non-animated GIF
DimensionsExactly 320×50 pixels (mobile banner only)
Maximum file size150 KB
AnimationNot allowed; static images only
Image qualityClear and legible; not blurry; avoid excessive or unreadable text
CompressionExport at 72 DPI; optimize file size while keeping quality

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