subject: How To Fix The Web's Biggest Pests [print this page] How To Fix The Web's Biggest Pests How To Fix The Web's Biggest Pests
- Block sites. If you want to block websites from showing up at certain times of the day or on your computer at all, you can use Firefox's add-on Leechblock. LeechBlock is a simple tool designed to block time-wasting or annoying sites that can suck the life out of your day. Just specify the sites you want to block and when you want to block them.