Official Google answers to common SEO questions

Question:

Does Google try to return results based on signals other than popularity?

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Question	Views
What happens if I link to a good page that later becomes spammy?	1,771
Does Google see automatically generated content as a bad thing (i.e. spam)?	1,355
With the recent news about website speed being included in the Google metrics, how will Google allow for slow third party ad servers (including AdWords) dragging a site's load speed down?	1,156
A site for my client's competitor shows up on a SERP for keywords that never show up in the site anywhere (not even hidden in the source code). How is this even possible, and isn't this spam?	1,200
On what basis are you increasing the PageRank for each PageRank update?	963
How can Googlebot crawl and index pages that don't have any links to them on my website?	1,097