Website Blocker

Website Blocker

Block websites with ease!

  • Website Blocker
  • Website Blocker
  • Website Blocker
  • Website Blocker
  • Website Blocker
What is Website Blocker?
Website Blocker is a utility Firefox browser extension made to allow users the convenience of blocking access to specific websites. This can be useful in situations such as preventing unwanted pop-ups, blocking inappropriate websites, or simply aiding in productivity by avoiding distractions. The add-on requires certain permissions for functional purposes.
Users: 1,228 ▲ 3
Rating: 4.35 (17)
Version: 2.3 (Last updated: 2022-07-30)
Creation date: 2019-06-27
Weekly download count: 108
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • storage
  • webRequest
  • webRequestBlocking
  • <all_urls>
Size: 324.97K
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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The Website Blocker browser extension for Firefox is a utility that allows you to easily block access to specific websites. It's useful for blocking annoying popups, inappropriate websites and websites that you just want to avoid.

Click here to see why this extension requires certain permissions.

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
  • Easy to use
  • Option to block specific websites
  • Ability to block websites with subdomains
  • Some websites not blocked successfully
  • Lack of instructions included
  • Doesn't actually block URLs, acts as an internal redirect
Most mentioned
  • Easy to use
  • Block specific websites
  • Doesn't actually block URLs
Recent reviews
Doesn't work for some reason, tried blocking, and Edit: I figured it out, when using the default rule (Block domain) it only applies to the second-level domain ( but since many websites redirect to www ( it stops working. Using the rule "Block domain & all subdomains" fixes this problem.

Doesn't work for some reason, tried blocking, and

by eddieee95, 2024-02-11
View all user reviews
Risk impact

Website Blocker is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Website Blocker if you trust the publisher.

Risk likelihood

Website Blocker has earned a fairly good reputation and likely can be trusted.

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