Meta tags are those invisible pieces of data that provide more information about your webpage to search engines and visitors. Search engines find it easy to understand what a website is all about with the help of Meta tags. It is also one of the reasons why they are considered to be an essential part of SEO.
Website owners or developers add the Meta tags in the <head> section in the HTML document. These are to be coded as a part of the CMS. Adding Meta tags can be easy or hard, depending on the platform you are using for the website. CMS like WordPress have a section where users can easily add Meta tags.
It is also important that there are different kinds of Meta tags, and each type fulfils a specific role. So, only some of the Meta tags work the same way and are needed for Search Engine Optimization.