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Preloading in this case is "rendering a cell before you scroll to it".



Yes but presumably that cell has content fetched from a server right (title, actor names, title image which itself is dynamic based on Netflix A/B testing scheme, etc.)? Wouldn't it be faster to just get the content from the server ad hoc? I'm thinking you'd also potentially have a lot more network overhead if you preload the cells because then if a user doesn't scroll to one of these cells you've created them and they aren't used, and you've fetched server content too.

How many cells would you create? I guess maybe Netflix has a default limit per category of titles they would display?




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