The news is official, Google has started to penalize websites for their paid links practices since last week.

Crawler Yahoo slurp has been upgraded to support wildcards in robots.txt files.

Yahoo search team has made significant changes in the way their robot Slurp crawls websites. This could be the beginning of significant changes in Yahoo search strategy.

The MSN Strider team uncovered a new tool which intend to get rid of search engine spammers, for good…