2007
![](http://blogmarks.net/screenshots/2012/01/19/5d96765fdeef5d3f669a7a2a677528c9.jpg)
Chronologie annoncée d'une PR-te de PageRank
![](http://blogmarks.net/img/default-gravatar.gif)
Un historique de la mise en place de la pénalité du PageRank de Google des sites pratiquant la vente de liens.
2006
![](http://blogmarks.net/screenshots/2006/10/02/8eed352e3b277f627e1e380140cbab8d.png)
WebPronews Search Marketing Articles by Lee Odden
![](http://blogmarks.net/img/default-gravatar.gif)
Collection of search engine marketing, blog optimization and online public relations articles by Lee Odden, CEO of TopRank Online Marketing.
1
(2 marks)