The HTML links are not being rendered for some of the pages. The log in page as the following:
<a href="signup">Create an account</a> if you are not a member yet.
Looking at the HTML source code, I see the following:
Another page is one of the build pages. The Starter by user link is broken:
Started by user <a href="/hudson/user/jsmith">jsmith</a>
I am not sure about other pages...