Search engine optimization is a methodology of strategies, techniques and tactics used to increase the amount of visitors to a website by obtaining a high-ranking placement in the search results page of a search engine including Google, Bing, Yahoo and other search engines.
Go to Settings > General settings > SEO settings.
SEO Friendly url : SEO-friendly URLs are purely structural URLs that do not contain a query string. In the root directory .htaccess must be required
Page Title Format : Provides a title for the page, displays a title for the page in search-engine
Site Description : Description provides the user a summary of what your website is about, It is not visible on your webpage but appears below your Site Title in search engine results
Site Keywords : Enter key word which is help to search your site in google