Responsive Google Ads\n\n Horizontal rectangle visual: required aspect ratio is 1.91: 1, the minimum size is 600 x 314 (recommended size: 1200 x 628).

We recommend banner

for responsive websites to be 1024 pixels x 768 pixels for the best quality image. While computer screens continue to get larger, and mobile device dimensions continue to evolve, a header width of 1024px is still one of the most recommended sizes.