A Google Webmaster Help thread has a new topic that I never covered before in my (almost) 6 years of covering SEO forum threads. A Webmaster was using a server response code of 300, which is a response of “Multiple Choices.” What does that mean? The W3.org explains:

I believe that this status code tries to communicate to the browser or useragent that there can be multiple redirects for the page you landed on (i.e. multiple choices). So how does Google or other search engines handle it?

Well, it seems like Google doesn’t like it and may consider some of those pages as duplicates. The Google Webmaster Help thread has JohnMu from Google who explains the issue:

Forum discussion at Google Webmaster Help.