When Blogs still didn’t existed, directories where already out there making money online.
Directory websites appeared online to try and organize the internet itself, before search engines came to be.
They evolved from collections of links like the DMOZ, to today’s business listings directories, with users reviews and specialized forums like Trip Advisor and Yelp, just to name the most popular two.
One of the biggest initial hurdle for Directory publishers, is finding a way to monetize their directory websites.
https://wpgeodirectory.com/the-6-rules-to-monetize-a-directory-website/