What do you do when you want to find a page on the Web? Most probably, you go to Google and think of a search query, then use it to find some high quality pages which are closely related to your search query. That’s what most World Wide Web users do.
Search engine is a complex software that maintains an index of the World Wide Web and serves high quality web pages to it’s users, which are most relevant to the user’s search queries and are served in the order of their importance.
Search Engine Optimization (SEO) is the method to optimize a website or a webpage for certain search queries. As a result the specific webpage or webpages, rank higher in Search Engine results for the target specific search queries. The art and science of SEO is rather simple, but the dynamic nature of search engines (to combat spam) makes it a little complicated. Essentially Search Engine Optimization involves:
Besides relevance, search engines also consider authority and user experience as important ranking factors.