Directory submission is defined as the practice of submitting your website URL and its details on the web in a directory under a particular category. This is a way which helps you to improve your link building. Directory Submission is an off page factor which helps to optimize your webpage.
Why do we do directory submission in SEO?
The purpose of doing directory submission is to increase the website indexing by gaining quality backlinks from the top web directories. Quality backlinks help to maximize the chances of our keyword ranking in search engines, and increase the website traffic, build the domain authority and page rank.
Dofollow Directory Submission sites – Updated List