Example: A user is browsing this thread. This would result in:
<head> (...) <tag="Forums"><tag="Development Help"><tag="XenForo Development Discussions"> (...) </head>
I also need to normalize all the node titles so that I strip all non-a-Z0-9 characters. Café will be normalized into Caf.
What I found: nodeBreadCrumbs is an array of these forums.