Have a consistent post style
Similar to having a consistent personality and post frequency, keep a consistent style.
Style of your pictures contains factors like:
- Filters you use
- Order of pictures
- Length of text you put in images
Consistency of style is less about any one individual post and more due to users looking at your whole profile. The default profile view is tile pictures. If the style is too inconsistent, the visual is weird and it may turn potential followers off. This is especially true for brands with a very visual identity, as many of your followers may engage because they like your style. Drastic changes could lead to a drop in follower numbers.