Search engine optimisation (SEO) is all about the quality of your backlinks, right?

Wrong. Not any more. At least, not wholly, as an updated study from those good people at Searchmetrics has revealed just how important social media signals are to a strong SEO ranking, with well-positioned URLs almost always having a high number of Likes, shares, tweets and +1s.

Indeed, seven of the ten most important factors in SEO ranking now come from social media, as below.

Searchmetrics have also documented their findings in this infographic, which takes a closer look at what well-positioned web pages on Google have in common, and what distinguishes them from pages that are lower-ranked.

(Source: Searchmetrics. SEO button image via Shutterstock.)