SEO stands for Search Engine Optimization. It is the technique used to increase the website traffic with the help of search engines. Google has developed a Page Rank system that helps in calculating the relevance of a web page. Relevance is measured as how relevant the content of a Web page is so that it matches with the search text entered by users.
So, as a freelancer when you are writing any article, you should keep in mind the keywords, user is going to type in the search text box. You should use those keywords in your article as much as possible, so that your article has a higher page rank and is displayed with best search results.

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