Online directories aren’t as popular as they used to be, but they can still be profitable.
They work in a similar fashion to the job board above. But, instead of people paying to post jobs, or get access to the job board, they’ll pay you a monthly fee for a directory listing.
If you have an authoritative site or get a lot of traffic, then these listings are pretty valuable.
Let’s say you run a site that’s dedicated to web development and design. You produce high-quality content and have a solid amount of authority. You could create a directory portion of your site where web developers and agencies can purchase a listing.
This will not only provide them with a solid authoritative backlink, but it could be a nice source of traffic for their business.
Usually, directories work by charging a monthly subscription fee to be listed. You could even charge a premium fee to let businesses list themselves at the top of the directory, getting even more eyes on their listing.
