[xwiki-users] Linking to Google (Analytics and search)

All, Where and how would you suggest to link a xWiki to google analytics? Besides that, How can I control what content is indexed by external search engines (like Google, Yahoo) I have specific content that I would like to exclude from indexes, although it is on public accessible pages. In our system it is accessible by clcking a disclosure (because it contains medical advise) Gerritjan