A: 

Do you mean the libraries that you use on the actual live website?

Then: From your own site. What if the "third party codebase" suddenly changes? It's better to host everything yourself, and the cost is negligible.

sleske  2009-10-15 08:11:22
But seems SO is pulling the stuff from google codebase!
Mask  2009-10-15 08:19:49
Yes, interesting, wouldn't have thought that. No idea why, maybe someone else can explain.
sleske  2009-10-15 08:46:01

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