They are literally designed to make you buy products. The milk in the back corner is the most famous example so that you have to pass by as much product as possible to get it and have less chance of not impulse buying. End caps…all the candy right next to the checkout lane, etc.
I guess I worded it incorrectly. My point was that it's two completely different ways of selling you things. Supermarkets use all these techniques to subconsciously make you buy more things, but they rarely try to sell you a singular product.
Product websites actively try to distinguish themselves, to make you feel that the product is unique and convince you it'll make your life better. Having the same style of website for every product ever feels like something that'd actively go against the goal of the website. After all, if two things look the same, why would I pick one over the other?
As a previous bagger boy gone stocker gone high-as-a-kite meat dept clerk, the milk is in the back because it is stocked from a walk-in fridge. People don't even buy much milk.
