A clear reason why you should advertise all sizes of banner

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There are many banner sizes, both still images and videos, that can be submitted as Facebook ads, but the available sizesvarydepending on the campaign purpose, placement, and ad format.

For information about the different banner sizes available, please refer to the official Facebook advertising page below.

Reference: Facebook Ads Guide (Facebook for Business)
Reference: Aspect Ratio Best Practices (Facebook for Business)



By the way, there are many other articles out there marketing directors email database that discuss which banner size you should prioritize, and we’re sure you’re also struggling with this question.

The conclusion to this question is that "you should advertise all sizes of both still images and videos."

There are two main reasons for this, which we will discuss in this chapter.


To make it easier for Facebook's AI to learn machine learning about placements that are more likely to produce results
The first reason is that it makes it easier for Facebook's AI to use machine learning to determine the most effective placements.

AI and automation technology have now developed considerably, and Facebook's AI can repeatedly perform highly accurate machine learning using data such as click-through rates for each publication location, making it possible to increase the proportion of distribution to locations that are more likely to produce results, such as those with high click-through rates.


Therefore, it is necessary to make effective use of Facebook's AI to find the optimal delivery location that is likely to produce results, and to do this, in order to display ads in all Facebook ad delivery locations, it is necessary to create banners that are the right size for each delivery location.

This information is fairly reliable, as Facebook also recommends delivering ads to all locations.


To prevent unexpected cropping from causing your creative to appear
The banner size does not have to be created exactly the same size as the actual ad will be displayed; it will be automatically trimmed to fit.

This is called dynamic creativity.


This is a very convenient feature because you can place ads in multiple places by creating a banner of only one size. However, on the other hand, when the banner is cropped, the part you wanted to display may be removed, causing it to be displayed in an unexpected way.

You can avoid this by checking the preview before actually submitting the ad and understanding how it will be delivered. If you check that there are no problems with it being trimmed and delivered, you can avoid this kind of situation. However, trimming can also throw off the balance of the overall creative, so it is better to create banners separately for each size.