How to become a good directory editor?

How to determine if a website is worth listing in a directory? There are quite a few things to consider while approving/rejecting websites. To begin with, the entire website details such as the description, title, category and the content submitted by the website owner has to be checked. A poor design along with bad internal linking would be rejected, unless it has something informative for the users. Approve only those sites which are submitted to the most ideal category in the site. The loading time of the site is also to be taken into consideration.