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DS: Does Google have different ranking factors for different industries?
MC: We have looked at topic-specific ranking. The problem is it’s not scalable. There’s a limited amount of that stuff going on — you might have a very spammy area, where you say, do some different scoring.
What we’re doing better is figuring out who the authorities are in a given category, like health. If we can figure that out, those sites can rank higher.
DS: How many different categories?
What are you seeing in your vertical and can you compete with Google's interpretation of what's "better"? Thoughts?
MC: We’re rolling out a test of a “structured data dashboard.” There’s a beta for people interested in being in the beta. The URL to volunteer is bit.ly/sdtesters.
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DS: That’s why you don’t use Google +1s.
MC: Yes, for the same reasons. It can be sparse. It can be unreliable. That’s why I push back when you ask me about this.
I can also see where important niches, e.g. health
If Google categorizes things first and then they apply the algo factors, then it could possibly be a way that that they would rank industries differently. They're different topics (different industries), so the factors like linking would only be applied amongst an industry or topic.
[edited by: Robert_Charlton at 11:37 pm (utc) on Jul 9, 2013]
[edit reason] fixed typo [/edit]
Just how important can a niche be?