I'm using microsoft's CDN for pulling down the Ajax libraries. And I'm using SSL on some pages.
This URL resolves fine in Firefox and IE:
https://ajax.microsoft.com/ajax/4.0/MicrosoftAjax.js
However in google chrome (on my PC, today...) it seems to time out with a very odd response:
On other PCs it seems to work fine, however I know I'm not the only one experiencing the problem as we've had occasional complaints from some of our clients about certain pages timing out and failing, that seems to point to the same problem.