SEO stands as search engine optimization. SEO has two types i.e. on-page SEO & off-page SEO. Some steps in On page SEO i.e. website analysis, competitor checker, keyword research, update title, meta description, use H1 to H6 tags, update unique and quality content, use favicon, design user-friendly website and so on.
Some steps in Off-page SEO i.e. social bookmarking, directory submission, content marketing, social media, profile creation, press release, business listing, classified ads, document sharing, blogging, guest blogging, blog commenting and etc