There are a lot of directories on the internet and there is probably room for a lot more although building a directory that is beneficial to the users, webmasters who add their site and yourself takes a little bit of forethought and a lot of work.
There are many types of directories including general directories and niche (often reffered to as vertical) directories. There are also many ways these can be structured.
The first step in planning to build a directory is deciding what it will be a directory of. You could choose to be general and have a vast array of categories and sub categories where a website on any topic can be submitted or you can choose to have a niche directory which are often reffered to as vertical directories. Vertical directories are becoming popular with users and webmasters due to the entire site and it’s listings being related to one topic.
Your next choice is whether to have static pages and create each page manually or use a script that creates pages, manages your listings, site submissions and more. Using a script is the popular and sensible choice and if you have programming skills you may choose to build your own....