YouTube

A recommendation grid where the up-next sidebar is the real navigation.

Content & Discovery

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YouTube's interface is two surfaces fighting for the same attention: a thumbnail grid on the home page and a vertical rail of suggested videos beside the player. The watch page is where the product's logic shows; the up-next list and autoplay quietly steer most viewing, so the sidebar functions as the real navigation, not the search bar. Thumbnails and titles carry enormous weight, which is why creators over-optimize them. The player itself is dense with affordances: chapters, scrubbing previews, playback speed, captions, and a comment section that loads underneath. The recurring complaint is that the home feed collapses your subscriptions and the algorithm's guesses into one undifferentiated wall, making it hard to simply see the channels you chose to follow.