We have a fun question from Paul Anthony in Belfast, Northern Ireland. Paul asks: “Are different sites treated differently? – and I think he means different types of sites. For example, are blogs treated differently that e-commerce sites? Does Google attempt to figure out the context of a site or are all websites equal?”
Well, if you go back to the original sort of formulation for PageRank, we would tend to treat websites all completely equally. But Google has gotten more sophisticated over time and so we do reserve the right to, sort of, treat different types of sites differently.
So you can even see that we are able to tell the context of some sites by doing a search and then click on Google where you see a “show options”-link just above the searchresults. And if you do that, you can see that we have, for example, forums and reviews.
So we do attempt to decide what type of a site a particular page is on and what sort of value that represents for users. My best advice is usually just to make a fantastic site and not worry about that very much at all. You can have a site that has a forum on it and has a blog and has reviews. And we'll try to find the pages that best match users queries and return those pages.