Try page does not work

Currently the try page is broken due to a chain of redirects and content security policy. The following occurs, when I try to visit the page:

http://trypython.org -> 301 Moved permanently -> http://campus.codeschool.com/courses/try-python
http://campus.codeschool.com/courses/try-python -> 302 Found -> http://campus.codeschool.com/auth/codeschool
http://campus.codeschool.com/auth/codeschool -> 302 Found -> https://www.codeschool.com/oauth/authorize?[...]
https://www.codeschool.com/oauth/authorize?[...] -> 302 Found -> https://www.codeschool.com/users/sign_in
https://www.codeschool.com/users/sign_in -> 200

But the final sign in page has, not unproper for a sign-in page, the following restrictive security policy header set and just doesn't display in Chrome while leaving a Blocked by Content Security Policy in Firefox:

content-security-policy:frame-ancestors https://pluralsight.marketing.adobe.com

Extra remark: The support link in the bottom of that specific page does not link to support but rather to itself:
https://github.com/IronLanguages/ironpython.net/blob/bd602e053afefdc85b49ced0c6364ebdb75e8824/try/index.html#L46

Start by reproducing the redirect chain from the try page and inspect try/index.html around line 46, where the support link is mentioned. Confirm whether the failure is caused by the external redirects or the Content Security Policy, then verify that the try page loads and the support link reaches support.