I am interested in another related use case. I want to find circular navigation on the site. So I want to know when the next page is the same as the previous page. This would be similar to reloads where the next page is the same as the current page, but one step back. For example, the user navigates...

If you have previous page name in your implementation, finding the next page from any page is pretty straightforward. The drawback is that you have to do this for one page at a time that you are interested in next page. Create a segment where the previous page equals the page you want to get a list ...