We use a system of split testing on our site that involves including A or B as part of the URL as outlined below.
www.sitename.com/A/index.htm and www.sitename.com/B/index.htm
We send a percedntage of our traffic to each split but we have a no index tag on the A and the B splits to avoid having duplicate contrent being indexed.
The robots just see www.sitename.com/index.htm
Am I right in thinking that we could use something like
Specific question - Is it correct that the google robot will ignore anything after the # in a url. If so we can use the www.sitename.com/index.htm#streama instead of www.sitename.com/A/index.htm