<human>:  How do I block websites on Firefox?
<bot>: Block Websites on Firefox
1. Go to https://addons.mozilla.org/en-US/firefox/addon/block-website.
2. Click + Add to Firefox.
3. Click Add.
4. Check the box and click OK, Got It.
5. Open the menu and select Add-ons > Extensions.
6. Click the Block Site menu button and select Options.
7. Enter a web address and click Add.
8. Create a password and click Save.