John Heilemann, who has been writing about companies in Silicon Valley for the last ten years, has one of the most comprehensive, critical & engaging pieces on the corporat...
An article from the Scientific American, The Semantic Web, describes several examples of how semantic understanding by computers will help to revolutionize the utility of technology in...
One of the best ways I have found to think about the optimization process and to answer questions like, "Why does this site rank above mine?", are to to think like a search engineer. Imagine that your goal is to provide the most relevant results possible to the end users ...
Even a great technological innovation like PageRank will eventually be supplanted. For a web information retreival model, PR has already had a remarkable long life, yet its downfall has been predicted across the web by some of the very best in the industry. Here'...
Many times when reading through complex threads, research papers or even blogs by some of the more advanced SEOs in the industry, I get lost in the meaning of terms and an entire paragraph or document can be lost to my ignorance. Luckily, great resources like the...
An incredibly revealing post on some theories about Google's changes over the past 12 months was first noted by TW. However, the quantity and quality of information p...
A terrific paper by Christopher Yang & Fu Lee Wang of the Chinese University in Hong Kong that was mentioned by Orion in a threa...
In a paper titled, Lexical and Semantic Clustering by Web Links, Filippo Menczer of the Dept. of Computer Science at Indiana University, sets out...
For search engines, keyword density has long been held to be a reliable measure of the concentration of a particular keyword or phrase on a specific page. However, this method of mesurement has long been known in the scientific community to be a poor repres...
Google has been keeping new websites out of its top rankings positions for nearly 1 year. Sadly, this has made the results far less relevant for ordinary users. Google probably assumes (hopefully incorrectly) that their brand loyalty will never die and that the prevention of SEO t...
Despite the possible duplicate content penalty, I'm going to reproduce (yes, word for word) a post I made earlier today on SEW to try to clear up some confusion about the relationship and mea...
Every request that comes into Google's search is sent to a specific datacenter where the results are returned. As of today, there are more than 50 unique IP addresses known to the SEO world that are returning slight variations of search results. A...
SEOmoz has put together a small chart analyzing the top 20 results for two searches at Google, one a normal 2-word phrase, and the other with much discussed -asdf filter (done by appending 15 -asdf onto the back of the query). The two unique results sets have been a...
A recent thread at SEW takes a poll asking whether anyone still cares about PageRank. The important thing for SEOs to remember, whether they are experienced or new to the optimization process is that P...