Excelente não dá pra ficar sem ;D

This works like a charm. Thanks for a great app to prevent me from distractions during my studies. :)

This is a particularly useful add-on if you are using the feature in Firefox 'DNS over HTTPS' (DoH), as DoH
bypasses your hosts file which is normally edited/used to block unwanted domains.

It is very easy to use

Perfect, this is exactly what I need to work. Liked the wildcard method for keyword.