subject: Google Lsi And Your Website Seo Rankings [print this page] The ranking algorithms for Google and other search engines are constantly changing. Rumor in search engine forums has it that Google is giving more weight to latent semantic indexing (LSI) in its latest ranking algorithm update. Many people have been noticing a wide shuffle in search relevancy scores recently. Some of those well in the know attribute this to latent semantic indexing. Even if they are not using LSI, Google has likely been using other word relationship technologies for a while, but recently increased its weighting.
What Is Latent Semantic Indexing?
LSI means that a search engine tries to associate certain terms with concepts when indexing web pages. Initially, search engines would look solely for the presence and frequency of keywords on a webpage to determine relevancy. But such an approach can result in poor results. Latent Semantic Indexing (LSI) is an approach to understanding keywords in the context of the words on the entire webpage.
Google has been using this concept to determine suitable ads for its AdSense service for some time now. It seems that Google is now also using this concept to improve the quality of its search results. For example, Paris and Hilton are associated with a woman instead of a city and a hotel, Tiger and Woods are associated with golf.
Why Is This Important To Your SEO Activities?
If Google uses this concept in its ranking algorithm (which is very likely) then its advisable that you don't focus on a single keyword, but on a set of related keywords with your search engine optimization activities. You should optimize some of the pages on your web site for keywords that are synonymous with the keyword you're targeting.
When you exchange links with other web sites, make sure that you vary the link text to your web site so that it contains different variations and synonyms of your keyword.
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