Google page rank... meanings?

[Stephane76]

Originally Posted by Evil Chris

Does anyone know or know of a good site that explains the whole Google page rank structure, and what it means to be PR3, PR4, PR5, etc...?

I have noticed this morning a couple of my sites that were PR3 are now PR4 and I'm wondering what I should do about it (if anything at all).

http://www.iprcom.com/papers/pagerank/

Originally Posted by Stephane76

http://www.iprcom.com/papers/pagerank/

helpful link mate.. thanks

http://www.seroundtable.com/