Why We post ads in Classified sites?
If we are working on product and service site, it's very important you do post ads in top classified sites because many users comes on this sites if members will visit on your site your site will grow on Google.
The users comes directly on classified sites, if you post any add on the sites, members will visit on your site, the traffic generates automatically and after that the business will grow.
Classified ads submission is an off page seo technique that helps to submit your website and build backlinks from them. They help to promote your products and services to generate more traffic to your website.
To get targeted traffic from the users but most them are paid.