The coin allow website owners to monetize their sites, if you are a visitor on a website where the token is installed, you will receive a popup asking your permission to use part of your computing power to mining it. The benefit derived from mining it goes to website owner as long as your browser is on the website, when you exit, mining will stop.

In this case, you are donating money to the website owner. You can run the script to monetise your sites too.