What aspect ratio is recommended for ads containing images and videos on Reddit?
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Correct answer: 4:5.
Why this is the answer
The recommended aspect ratio for image and video ads on Reddit is 4:5. This ratio optimizes the ad's appearance within the Reddit feed on both desktop and mobile devices, ensuring it takes up sufficient screen real estate without being excessively cropped or requiring users to click to expand. While 9:16 is common for vertical video (like Stories), it can appear too tall and get cropped in a standard feed. 16:9 is a standard widescreen ratio, but it often appears too wide and short on mobile feeds, reducing visibility. 3:4 is also a vertical format but less commonly optimized for Reddit's specific feed layout compared to 4:5.
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