09 October 2012

Benefits Of Latent Semantic Index Keywords

Latent Semantic Index
In the world of SEO, LSI stands for Latent Semantic Index. Admittedly, the expansion of this acronym does little to explain the meaning. What it means is that for every concept, there are a set of words that are frequently used to explain it. If we talk about mobile phones, words like network, price plan, smartphones, data costs, iPhones, apps, Android and speed are terms that are likely to crop up. These words make up the latent semantic index of the concept mobile phones. Search engines check for the presence of these LSI keywords while indexing a website with a particular header. They use the presence of these keywords as a measure of the quality of an article or page being scanned. Incidence of the LSI keywords per 100 words is another metric used to rate the quality of an article. With this explanation, the importance of LSI keywords becomes apparent.

The first step to finding out the LSI keywords for a particular topic is called keyword research. Google analytics is one of the best and most widely used packages for this analysis. Specifically, the keyword analysis too is used to identify LSI keywords. The second step involves synthesizing these keywords into a coherent narrative that is both informative and interesting. Once this is done, all the additional steps before the article is uploaded like back linking, addition of meta-tags, including relevant videos and indicating the author of the article need to be done.

Search engines have been using LSI algorithm from 2002 onwards. The recent Penguin and Panda updates have only increased their impact on SEO efforts. From a search engine’s perspective, the LSI algorithm’s widespread application lets a search engine move to a semantic search paradigm from a keyword search paradigm. It allows the search engine to deliver results based on the concept that it thinks that the user is searching for rather than just the keyword. Theoretically, this will lead to higher quality results and prevent spam from taking over. In any case, a high quality article written by someone with actual knowledge of the subject will contain the words pertaining to the topic. So LSI keywords should be taken in to consideration when spinning articles from original source material. This mathematical method is ideal when a search engine has to analyze a large volume of data and check for relevancy and quality.

If you blog using WordPress, WP Easy SEO is a must have plugin. This, and other plugins of its ilk keep track of parameters like keyword density and your overall SEO score as you write the article. It even gives a number of suggestions to improve your rankings and checks whether your article has implemented these suggestions. This plugin keeps track of both your primary keyword and secondary keyword and generated a separate optimization score for each. Currently, this plugin is the only one that has this capability. This feature makes it a must have for all blog writers.
Some blog writers have reported experiences of showing up as the first rank in Google searches just by using LSI keywords appropriately. They state that they did not do any link building, directory submissions, social bookmarking or other collateral activities to improve the blog’s SEO. If this is indeed the case, then applying LSI keywords is definitely the way ahead.

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