Why is the ASP.NET/Visual Studio Web Development Server so slow?

Question

(xkcd)

I know that compiling nowadays is much faster than it was before. Yet, for me, it se

Answer 1

This is due to the IPv6 DNS problem within Firefox and can be fixed by setting the network.dns.disableIPv6 setting to true within the about:config

Slow DNS response - Firefox on localhost and Visual Studio or Cassini