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On March 19th, 2007, the Stanford Security Workshop released a An Overview of Search Engine Spam by Zoltán Gyöngyi in pdf format. Zoltan’s report is nicely written including definitions of search engine, (SE), spam, why it is done, who does it, and a categorized break down of spamming techniques; including examples of hiding text with CSS, weaving, and dumping.

If you are new to SE spamming and looking for “how to”, Zoltan’s report is a great place to start. You can download his report and read it over and over at your convenience. He covers the different methods used in order to increase a page’s relevance with keyword repetition, explaining how and where to place the keywords; thanks pal.

He explains methods used to increase PageRank, (Google’s term for the importance of a page). He spends extra time giving nice clear diagrams of link farms to show how they work. I especially enjoyed the diagrams of the basic link farm, the optimal link farm, and link farm alliances; thanks bud.

He explains and diagrams how TrustRank detects and successfully filters out spam. His diagrams depict “good” pages and “spam” pages with pie charts, colored lines and arrows pointing this way and that showing that good pages rarely link to spam pages, a nice reminder, thanks Zolly.