How the 404 error created the World Wide Web

Popular Mechanics:

It’s the bane of every web surfer, the internet’s version of fingernails on the chalkboard. Click almost any link that dates back to pre-2005 and brace for the inevitable: “HTTP 404 Not Found.”

Anyone who’s spent time near an internet connection is familiar with the 404 error, a webserver’s way of saying you’ve reached a dead end. What’s less well known is that this very error is what allowed the World Wide Web to exist in the first place.

I didn’t realize the number 404 actually stood for something.



3 thoughts on “How the 404 error created the World Wide Web”

  1. Surely this piece is satire? Yes, it is useful to know a link is broken. But to call it brilliant innovation is a reach for Jesse Dunietz.

  2. This one’s in the Top Five for sure:

    https://meh.com/404

    At AT&T park in San Francisco, it’s 404 feet from home plate to center field (probably not a coincidence). I don’t know if it’s still there but there is/was a Yahoo sign on the center field wall next to the 404.

  3. It is brilliant in the same way that packet routed networks (the internet) and the TCP protocol were brilliant: letting go of guaranteed availability and 100% accuracy. It seems obvious now, but back then people were mostly focused on trying to get computers to actually work reliably; embracing unreliability is what allowed the systems to scale.

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