Not greasing the pan properly can lead to the cake sticking to the sides.
Using a pan that is too small or too large can affect the cake’s rise and evenness.
Using cold dairy and eggs can hamper proper mixing resulting in an uneven batter.
Even slight deviation in measuring of ingredients can alter the final cake and wear off it’s flavour and texture
Using excessive sugar can wear off batter’s consistency making it extremely thick and dense.
Using expired baking soda/ powder can lead to flat, dense cake and no desired volume.
Repeatedly opening the oven door during baking can lead to uneven cooking as it causes change in the temperature.