Reversing YouTube's "Most Replayed" Graph
An engineer cracked open YouTubeâs âmost replayedâ heatmap. Turns out it runs onsampled view frequency arrays, client-sidenormalization, andSVG renderingstitched together withCubic BĂŠzier splinesfor that smooth, snappy curve. Behind the scenes, playback gets logged with adifference array + prefix su.. read more Â













