The easiest way to block a website on Chrome is by downloading a website blocker extension. These extensions let you block specific websites on your device. It's also possible to block a site using a Google Admin Account, by adding parental controls to a child's Microsoft account, or via your Wi-Fi router.
1
Open the browser and go to Tools (alt+x) > Internet Options. Now click the security tab and then click the red Restricted sites icon. ...
2
Now in the pop-up, manually type the websites you want to block one-by-one. Click Add after typing the name of each site.