As I have already made it clear with a few of my previous posts like this one and this one, my interest in Google is tremendous. And hence, my interest in finding the shortcomings of Google and its algorithm is obvious. The Google algorithm can be found at this location: http://www-db.stanford.edu/~backrub/google.html .
One glaring let down of the algorithm was the number of opportunities given to the induvidual user to improve his own site's Page-Rank by "back-linking" to his own website at places that provide him with the opportunity to do so. Such places would include the comments section of blogs, website guestbooks, testimonial pages, user profile pages and such. These places generally ask for the user to enter his "website address" and they link back to it. Hence, the user "illegally" gets a part of the pagerank weight of the referring page attributed to his page. This reduces the accuracy with which the page rank would ultimately work... And, i was surprised that Google wasnt doing anything about it..... Until now.
Google has come up with a new tag attribute-value pair called "rel = nofollow" that can be included in the "anchor" tag . When the spider sees this "rel = nofollow" attribute-value pair, that particular page is not indexed and hence the obvious spam attempt is negated. For more information, refer the google blog http://www.google.com/googleblog/2005/01/preventing-comment-spam.html .
Adios. And Happy Googling!
Vikkki
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Wednesday, January 19, 2005 
