Online Advertising

Bookmark spam

Bookmark spam is a type of spam affecting social bookmarking, social software websites such as del.icio.us.

Mainly affecting the website in a Spamdexing attack, impacting on which links are popular or recent. They also trying to attack Google pagerank similar to spam blog attacks.

To stop the pagerank influencing problem, del.icio.us was forced to block the google search bot from indexing its links [1]

"One user tried to abuse [2] to push the google ranking of some business sites. So, the homepage doesn't show links of ********* anymore" -the editor of one website

Link spam is currently a problem in del.icio.us/popular as there is no way to trust users and fake users can easily be created thus putting spam links in the most popular URLs.

External links

• del.icio.us
• openBM
• “Social software is stuff that gets spammed”

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