admin | August 4th, 2011 - 14 h 51 min
As said, Rand Fishkin is certainly my favourite author. His added-value analysis are always worth to look at, especially when tackling rankings factors. In this insights-full presentation, he analyzed briefly the evolution Google’s Rankings Factors in a time-span of 10 years. Basically, the history of Google’s Rankings Factors is also the history of Google’s fight against spam, insidious SEO techniques.
1999-2002
- On-page optimization was the most important factor
- PageRank had a real ranking influence at that time
2003-2005
- Anchor text became of utmost importance to implement link-building campaign
- Keyword match domain was still of importance as well as its history along time
2006-2009
- Logically, the notion of “domain authority” appeared
- The diversity of external link sources became more and more important
2009-20011
- In an ultimate attempt to reduce spam, social media (Tweeter + Facebook) are growing in importance. “RTs”, “Shares” and “Likes” are getting more and more attention to Google.
- It seems now that link-based factors represents not anymore 60% of the equation of Google’s rankings