The social profile element
The fact that we are seeing them in the SERPS has another meaning. It doesn’t just have an impact on the visibility we can create, it also has an impact on Google’s Social Profiles. Google gets another set of data which can help them define what we do and like, which will help them improve our social profile so they can give us even more personally based content.
So can we conclude that Google is now indexing Facebook Comments? Yes, they are. But it is not clear which ones they are indexing. We know that it is not just TechCrunch, because we see them on other blogs also. We also know that at least the profile has to be open, but how ‘powerful’ the account is might just also play a role. We are not sure yet.
I would say don’t go running to sites with Facebook comments and spam them to bits. It might be a slower roll out, it also might be related to something else.
Matt Cutts yesterday confirmed that Google now indeed has the ability to execute AJAX/JS to index some dynamic comments: