What Actually Happens When You Click on a Link

You see a link, you click on it, and it takes you somewhere. Simple, right? But actually, that remarkably straightforward user experience has a fairly complex series of computational processes going on in the background.


In this video, Dr Richard Mortier essentially explains the basics of how links work. He does a pretty great job of explaining the technicalities of the process in a fairly straightforward manner. If you don't really know your DNS from your TCP, you soon will. [Computerphile]

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That paper he's writing on is old 11x16 pin-feed fan-fold stock; I haven't seen that stuff since the '60s. I shoved about a million miles of it through IBM line printers back in the day.