Visual Studio 2010: very slow web applications debugging!

Question

I recently installed Visual Studio 2010 (Ultimate edition, final version released in April), and found that debugging a web application bec

Answer 1

Try removing the localhost from the list of trusted sites in IE security settings.

For me it solved the problem of slow JavaScript debugging in VS 2010. It may work for you if you have added 'localhost' (or any other domain name you use for local development) to the trusted sites list, like I did.