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dauction - 12:17 am on Jan 7, 2009 (gmt 0)
They are all variables..99% of everything discussed are variables.. It is that combination an interaction between all the variables that becomes the algorithm the algorithm is a moving target..you are best to concentrate on simply being relevant to your topic, product or service and quit trying to chase the moving algo..
Age , domain extension , domain , backlinks , quality of backlinks , age of backlinks, number of backlinks , on page content , content relevance , keyword density etc.....