‘Search Engine Results’ Category Archive

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Excerpt: Introduction If you are serious about SEO, then it is important to know how different search engine algorithms work. In this post we look at the Hypertext-Induced Topic Selection (HITS) invented by Jon Kleinburg, 1998 [1]. It also goes under the name of the CLEVER (Clientside EigenVector Enhanced Retrieval) algorithm as implemented in a prototype IBM search engine. It is thought that search engine Teoma,  latter acquired by Ask, used a method based on the HITs algorithm. HITS is query dependent and calculated at the time of the search. Pages are given two scores, a hub-score which refers to the number of…

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Excerpt: You wake one morning to check the ranking of your site in Google for its top key phrases and find that you have moved down the rankings. This is the nightmare scenario for many SEOs. Your immediate thoughts are what is the cause of this? Is it an algorithmic change and the rankings will return or it something more serious? Before explaining about the penalties it is important to understand that rankings move around all the time.  There are four reasons why your site can move in the SERPs. Algorithmic change – an update in the algorithm can cause chaos in the…

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Excerpt: Belief and Evidence One would hope that we believe something because there is evidence for it but we can also believe things for many other reasons including personal experience, logical reasoning or because someone else has told us and we regard them as an authority source. With SEO, we do not know all the details of how the search engine ranks websites. Sometimes, information is available from Google itself in terms of its guideline for writing web sites. Search engines need to keep their algorithms secret otherwise they wouldn’t have a business. It is surprising that inside information does not become available…

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Excerpt: Topic Sensitive Search It used to be so simple. Make good titles, meta information, optimise your content, check the document outline build as many good quality links as you can. As more people become aware of the importance of Search Engine Optimisation (SEO),  it is becoming more difficult and it could be about to get even worse with the idea of topic sensitive searches and personalised search results. Does this mean the end of traditional SEO? Can a strategy be developed to ensure your site still stays at the top of the TS-SERPs. (Topic Sensitive-SERPs) pages. How does it Work? One published algorithm…

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Excerpt: PDF and Search Engine Optimisation In a previous post, we looked at SEO for Flash but there are other formats which are indexed by search engines. PDF documents are a popular format used by industry and a favourite way of sending information such as product brochures. Many companies have lots of information in the form of PDF, so how well can these be read and what can be done to optimise them so that they can be found more easily? Search Engines and PDF Readability The major search engines have algorithms for reading the content in PDF documents. The data below was found by…