How SEO Works
Search engines such as Google use an algorithm or set of rules to determine what pages to show for any given query. These algorithms have evolved to be extremely complex, and take into account hundreds or even thousands of different ranking factors to determine the rankings of their SERPs:
Page Structure ->
The third core component of SEO is page structure. Because webpages are written in HTML, how the HTML code is structured can impact a search engine’s ability to evaluate a page.
Links from other websites play a key role in determining the ranking of a site in Google and other search engines.
A large part of SEO is in creating content that is targeted towards the keywords that search engines' users are searching for.