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I am going to give you two definitions of Latent Semantic Indexing. Reason being, LSI is derived from a mathematical formula used to retrieve data and was originally used at Universities to make searching large information databases more accurate. The first definition will give you an explanation of LSI and LSA (latent semantic analysis) from the educational perspective. The second will be in accordance to how the Search Engines (mainly Google) are using LSI in their search engine algorithm to produce their search results.
It is no secret that Search Engine Optimization (SEO) is the most powerful, cost-effective, and results-yielding website promotion tool, but if your optimization service provider or the webmaster is cutting off the online campaign at SEO set-up only, then it is not meeting the campaign objective fully. SEO has to be followed with well planned on-going maintenance and off-page optimization strategies to continue to improve and/ or retain the top rankings. You could agree with the fact that competition webpages for your every target keyword/ key-phrase has increased multiple folds now. A well planned on-going SEO maintenance and off-page strategies will guarantee that you continue to reap the benefits of top rankings and thus get guaranteed qualified traffic and leads for a long time.
Latent Semantic Indexing (LSI) is the new search engine algorithm currently being used by Google. LSI attempts to take a more holistic approach to website searches by employing advanced artificial intelligence to the search engine algorithm in order to mimic the way a human would search. What this means is that search engine results are based upon relevancy not upon the site having the right keywords or the most links. Sites with quality content, which is most relevant to the search terms, will end up on top of the rankings while sites with poor, nonsensical, or irrelevant content will not do so well.
When processing queries, search engines like Google don’t just look for documents containing the specific query typed in. They look for pages that are relevant. Once, that might have meant pulling up websites that contained a large number of the exact phrase used in the search. But now, with all the commercial websites vying to be top of the list for certain search terms, Google has to sort through these sites to determine who really deserves to be on top-and who doesn’t.
The following definitions are for the most common terms found in articles written about Latent Semantic Indexing. If your goal is to rank higher in today’s search engine environment, it is important to understand the new concepts being discussed.
Keeping Up With Complexity: Matching Google At Its Algorithm Game
by Ellen Siminoff, Friday, August 24, 2007
People with concerns about SEO and any changes in SEO processes have to focus primarily on the Google Algorithm. When you understand Google does at least 90% of the searches, in one way or another, it is apparent that that is where the beef is.
The Google 950 penalty is a scenario when a website suddenly slips down the Google rankings to bottom ranking, a shift of around 950 places. For example if a site was previously ranking number 1 for a particular keyword but is now the last result on page 10 off Google search results, this would mean that the site has now shown a drop of 950 places hence the term 950 penalty.
Anybody who monitors their rankings with the same vigor that we in the SEO community do will have noticed some fairly dramatic shifts in the algorithm starting last Thursday (July 5th) and continuing through the weekend. Many sites are rocketing into the top 10 which, of course, means that many sites are being dropped at the same time. We were fortunate not to have any clients on the losing end of that equation however we have called and emailed the clients who saw sudden jumps into the top positions to warn them that further adjustments are coming. After a weekend of analysis there are some curiosities in the results that simply require further tweaks in the ranking system.
