Given the error messages, I'd guess that concentrated snark brought the servers down.

Why did the internet stop working

Have you tried turning it off and on again?

I tried to pull up this internet and it wouldn't load. Does anyone know what happened?

Pr(P|¬Q)≈0.9

P=The tubes are clogged.

¬Q=The internet wouldn't load.

If the internet doesn't load, then the tubes are clogged 90% of the time...every time!

Does anyone know what happened?

Mystery solved!

Try resetting your router

It's been doing the same thing to me.