Back in April, our site published an article titled "SEO 2011: Which Ranking Factors Have Changed," which mentioned that SEOmoz had already preliminarily created the 2011 Google ranking factors chart based on opinions and surveys from various sources. Yesterday, the survey report was officially released. Those who are interested can visit the official website to check it out (the address is attached below). Here, for those who are not very proficient in English, I will give a brief introduction: