How do parental filters work? Is there a list of all adult content sites? Does someone manually add them, or is it automated?

Question

How do parental filters work? Is there a list of all adult content sites? Does someone manually add them, or is it automated?

In: Technology

Answer 1

For the web there is a standard for tagging content, which search engines can read.

Filtering adult content is relatively easy because publishers mostly want to be filtered honestly.

Edit: https://www.rtalabel.org/