The web is changing, growing with the times. How someone finds your website, or the individual pages of your website, depends mainly on their “search” methods. Most often, this involves going to a search engine, such as Google, Yahoo, MSN or similar website, and placing a keyword of phrase in the “search” field. These search engines will return results within an indexed database derived from several methods.
The most common method for a search engine to index a website or web page by using software based algorithms to locate those keywords or phrases contained within the content and meta tags of the web pages. However, a more recent method known as LSI, or Latent Semantic Indexing, is quickly becoming the main factor in returning results for the search.
In a basic comparison, LSI uses a mathematical process to find similar content over a range of pages, whereas the more common “spiders” look for exact keywords or phrases that match the search keywords or phrases
LSI looks not only at keywords, but the synonyms
for those keywords on each page and as the website as a
whole. LSI also analyizes the "theme" of the website and
then compares the data to other sites with the same
theme of relevancy.
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