SEO is the abbreviated form of Search Engine Optimization. It involves the practice to increase both the quality and quantity of online traffic to the website with the help of organic search engine, especially Google results. Based on broad classification, SEO has two different categories I.e. on-page and off-stage SEO. If you want to get answer of what is seo and how it works, you must dedicate your time to know both on-page and off-page SEO strategies.