Mozilla Firefox is a free and open source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation, Firefox can perfectly run on Windows, OS X, Linux and Android. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. There are a lot of computer users who installed Firefox in their computer in the world. Now, Firefox has become the third most popular web browser, and Firefox counts over 450 million users around the world.
Are you using Firefox as your web browser? And you want to block certain websites on firefox? If so, you can read this guide throughly to learn how to block certain websites on firefox. There are two simple ways allow you to block certain websites on firefox, the first way is using hosts file to block certain websites on firefox, the second way is using a websites black list to block certain websites on firefox. Ok, let us start to learn these ways.
1. Editing Hosts File To Block Certain Websites On Firefox
1) Double click the 'Computer' icon to open computer, and then go to the C:\WINDOWS\system32\drivers\etc folder to look for the host file, the name of the host file is hosts, and it has not any extend name.
2) Copy the hosts file and paste it on the desktop, and then open the file with notepad.
3) Add a host record at the end of the file, set the ip of the website, which you want to block, as 127.0.0.1. For example, if you want to block facebook, you can add '127.0.0.1 www.facebook.com' at the end of the host file.
4) Copy the new hosts file to the C:\WINDOWS\system32\drivers\etc folder, to replace the old hosts file.
It is very easy to block certain websites on Firefox by changing hosts file, but if you want to block many websites, especially, if you want to block certain websites on Firefox by keywords, you should learn the second way.
2. Use A Website Black List To Block Certain Websites On FireFox
2) Install the software into your computer. This is an easy operation, what you need to do is following it's installation wizard to click 'Next' button.
3) Run the software and click the 'Control' tag button to open Control page in the main Window.
4) Click 'Website Black List' button to open website black list, and then you can add any website into the black list to block certain websites.
Now, you should try it by yourself, you can download it for free by clicking the follow button.
