How do the millions of online 'pagerank checker' tools work?
Don't get me wrong, pagerank means very little to me, I just wondered how they give you a pagerank number, given that many of them give you a different score to other tools...
closed as off topic by John Conde♦ Jun 16 '11 at 12:56
Questions on Webmasters Stack Exchange are expected to relate to webmastering within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.