by Michael Skyba
(Initially written on 2021-04-20)
Simply add 0.0.0.0 mysite to your /etc/hosts file.
For example, 0.0.0.0 example.com. Here, example.com will basically be an
alias for “0.0.0.0”, which acts as a dummy address.
Note that this isn’t completely reliable. If it’s not working, try adding a second entry with “www.” and also try restarting your browser (in case, for example, you’re seeing a cached page).
Here is a list of sites that you may want to block.