Why SEO is a part of Digital Marketing?

Search Engine Optimization (SEO)

Users generally have a habit to visit web pages that come on the top of the search engine's ranking list as they consider those pages to be more significant to their entered keyword. So, through SEO you can push your website to the top of organic search rankings.

For example: You are looking for a hotel in Kerala. You will type the keywords like hotels in Kerala, best places to stay in Kerala. After typing the keyword, you will come across several links on the first page, thus show the importance of being on first page.