haw to work SEO?
Question is way too generic. I try to summarize. learn on page SEO, OFF Page SEO, Keyword Research, Keyword Mapping, Keyword Optimization, Content Writing skill,
On Page: Technical SEO to determine how content on your website is to be publish along with your website Genre and Coding.
OFF Page: To create backlinks how you actually enhance engagement of your content on different forums, websites, Social Media Bookmarking, PPT Submission so on and so forth.
Keyword Research: To find most relevant Keywords that can increase your visibility on Search engine. Also it helps you to budget your campaign on bases of Keyword CPC also gives you insight on Keyword Difficulty.
Keyword Mapping: you can find tons of relevant keywords but how as per your requirement you filter those keywords? Mapping will help you.
Content Writing Skill: It will help you to understand what how you rank and index your site via content. "Most recommended way to index your site on search engines". In Short 80% Content and 20% SEO. Now you can understand for SEO Content Writing skill is how much important.