In this video below, James Popsys talks about how he aims to create good photographs consistently. Though he isn’t explicitly talking about how memorable a photograph is, that is also what he’s pointing towards. His key takeaway is looking to create tension in your images. Tension can be achieved in a number of ways, as he sorts through, but for me, the value in tension is that it increases the likelihood that I will remember the image. As part of my job and as part of my passion, I look at hundreds and hundreds of images per week, often more, but very few stick with me. Occasionally it will be because the shot is somewhere special, or the light was incredible, but some sort of dissonance in the frame has the highest success rate.
Source : Fstoppers