Every two years, Moz surveys over 100 top industry professionals to compile our biennial Search Engine Ranking Factors. For 2013, we’ve supplemented the survey with real-world correlation data from a scientific examination of over 17,000 keyword search results by Dr. Matt Peters and his data science team.

We’ve released some of the 2013 data previously, but not the full set until now. So with great pleasure, I present the complete results of this year’s survey and correlation data:

2013 Search Engine Ranking Factors

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Riaan Aggenbag

Owner / Online Marketer / SEO at More Clicks
My passion is guiding companies to online success. My expertise are search engine optimisation, pay per click advertising & social media marketing. How can I help you? Let's talk.