Sadly, About.com Is No More.

At one time this page you are now reading contained instructions on how to get your website listed in About.com, which contained zillions of articles covering a very wide range of subjects.

In 2017, About.com was bought up by DotDash.com, whose CEO broke it up and turned it into several different online properties focused on more specific subjects; i.e., health care, finances, etc.

Here's a 2017 article from Wired Magazine about the demise of About.com.