What is semantic indexing?
With several advances in search engine algorithms, there is a growing demand to create a website that has been optimized for many different but related search terms. Here enters the concept of Semantic indexing which means that search engines starts associate certain terms with concepts when indexing web pages.
To cite an example, Black and Christmas are associated with a movie instead of a color and a holiday.
Search engines algorithms now try to find the relation between words. If a number of web pages contain both Black and Christmas, the system will recognize that these keywords are related. This would then lead to a logical process wherein these combine words would be recognized as movie. Google, for one, has a lot of algorithms that allow them to calculate the relation between different words.
With this knowledge on semantic indexing, one is able to recognize that it is important to establishing links to your website which come from topically related pages. This way, search engines would put your website in the right context.
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