Upload an image to determine how much text is in your ad image. If the proportion of text to image is too high, your ad may not reach its full audience.
What does it mean when I have too much image text?
Text in your advert image includes text laid over a photo or illustration, text-based logos or watermarks used in an advert image. It also includes text in thumbnail images that are used for videos, as well as images used as cover photos or Profile photos of promoted Pages.
How much text should my advert image have?
Facebook prefers advert images with little or no text, because images with a lot of text may create a lower-quality experience for people on Facebook.