Semantics is the study of meaning and relationships, which plays a huge role in SEO. Google makes its money from being successful at crawling, indexing, and ranking data. One important aspect of this procedure is being able to understand content in a manner that is more complex than keyword density. One way of doing this is Latent Semantics Analysis or LSA. Google may not use this exact approach, but Google is sure to use some similar system of semantic analysis to look at textual content.

Importance of Semantics in SEO

By using semantics, search engines can have a basic understanding of the English language. There is an understanding of synoyms and antonyms. In addition, Google can relate niches and keywords. They’re able to develop complex relationships with keywords through their huge database of information and linking relationships.


For example, Google can understand the following relationships for a Make Money Online site.

  • Make Money Online
  • Make Money
  • Make Money Online
  • Make Money Blogging
  • Make Money on eBay

Internet Marketing

  • Internet Marketing Services
  • Online Marketing

Google knows that the usage of any of the above keywords is related to the primary keyword of make money online. It can relate long tail keywords as well as related keywords and the long tails of those related keywords.

Role of Semantics when Writing for Search Engines

Knowing that Google uses semantics is important when writing your site’s content and building links. You should use this knowledge to solidify your page’s focus on a keyword by focusing on long tail and related keywords


Understanding that Google uses semantics to evaluate content can help you improve your on site SEO. So when developing content, consider developing a list of long tails and related keywords that you can sprinkle through your content to help support your targeted keyword.