Does that Page rank affect the google rankings? Can any one tell me regarding that.
I'm not able to understand if the pagerank update is started by Google. Have anyone noticed any change or have any info on this?
All I know for your question is this Search Engine Ranking Factors | SEOmoz
what do we understand by backlink......well backlinks are the incoming links to a website or a webpage. i search engine optimization backlink tells us about the popularity of the page or the website....so it is very important....