What type of content typically uses the 1:1 aspect ratio?

The 1:1 aspect ratio is commonly used for Instagram feed images. This square format allows for a visually balanced presentation, which is ideal for displaying images within the grid layout of Instagram's feed. This layout is designed to enhance the user experience by making it easy to view multiple images at once, maintaining a uniform appearance across the platform.

While other formats do exist for varying content types, the square ratio is particularly prominent in the context of Instagram because it aligns perfectly with the design and aesthetic preferences of users on that platform. When images are uploaded in this aspect ratio, they fit seamlessly into the users' feeds, making them more likely to capture attention and engagement.

The other formats mentioned, such as full-screen video ads and Facebook story ads, employ different aspect ratios suited for their specific display requirements, especially since fullscreen formats typically favor vertical orientations. Vertical images for Messenger also have a different aspect ratio, focused on optimizing the messaging interface rather than adhering to the square format. Therefore, the unique attributes of Instagram's layout make the 1:1 aspect ratio the standard choice for feed images.