To block websites in Mozilla Firefox you can use a third-party add-on called BlockSite. It aso have features like “password protection” that helps us to prevent unwanted changes. Below are the steps how to block site using third party software “BlockSite”.
Step 1. Open Firefox, click “Tools” and then open “Add-ons”. Type “blocksite” in the search bar after the Mozilla Firefox add-ons website opens and hit “Enter.”
Step 2. Click the “Add to Firefox” button next to the entry for BlockSite which allows . Allow the add-on to load (usually less than 5 seconds), then click the “Install Now” button. Restart Firefox when prompted.
Step 3. Go to “Tools,” then “Add-ons,” then click the BlockSite “Preferences” button after Firefox restarts. Make sure the “Blacklist” radio button is ticked, as well as “Enable BlockSite,” “Enable warning messages,” and “Enable link removal.”
Step 4. Check “Enable authentication,” then enter a password if you would like to keep other users from deleting blocked websites or changing the settings in BlockSite without your permission.
Step 5. lick the “Add” button, enter the URL of the website you would like to block, then click “OK.” Repeat to add more sites, or click the “Clear” button to delete the list. Once the list of blocked sites is complete, click “OK” and restart Firefox.
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