Duplicate Content issues and related penalties have been issues and topics on all search conferences, blogs, tutorials and even Google’s blog and webmaster guidelines.

However, what none of them talk about is their double standard for especially strong and trusted sites when it comes to NOT tripping the duplicate content filters and still get a good junk of (extra) traffic from duplication.

Years after the NOFOLLOW tag was introduced as a publicly visible tag for links to be ignored
there’s a post about an internal NOFOLLOW class that only Google is able to interpret – per site …

No matter what Google says, other evil competitors can “bowl” your site out of the Google search results by utilizing proxy sites…. Dan Thies has a great post up – and to illustrate that I thought I can add to this great post with a concrete examples, screen shots, sites and urls – no need to keep silent on this anymore…

a pretty simple flaw let’s you remove your competitor from MSN

One of the papers I listed in The Top 15 SEO research papers is about SpamRank with the goal of Fully Automatic Link Spam Detection

Preparing for the SES tomorrow, I want to share my observations and interpretations of that WWW2005 paper…

Google introduced a new, early-stage experiment for finding sites that are easy to read… finally it’s official that they incorporate the web-design into the search algos…