# Facebook URL Blocker

> Blocks Facebook and related domains (facebook.com, fb.com, facebook.net, and optionally messenger.com). A typing challenge prevents impulsive unblocking, with timed disable windows of 5 minutes or a custom duration.

Canonical page: [https://chrome-stats.com/d/facebook-url-blocker](https://chrome-stats.com/d/facebook-url-blocker)

## Overview

- **ID:** `facebook-url-blocker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** jashyotes
- **Category:** feeds-news-blogging,privacy-security,social-communication
- **Daily users:** 3
- **Version:** 1.0.0
- **Last updated:** 2026-04-19
- **First published:** 2026-04-16
- **Size:** 41 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/facebook-url-blocker/)

## Description

Facebook Blocker prevents access to Facebook by blocking all network requests
  to <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/3b0aa1a488ff9809554e48743a9b592944d358a0ffa3f88e394cd3ddfc36894b/http%3A//facebook.com" rel="nofollow">facebook.com</a>, <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/82e2a5a7f8af3cf9652ebcc8ba9016769f7c35e39e2ab457a8c0b66151b112a7/http%3A//fb.com" rel="nofollow">fb.com</a>, and <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/b52b14723bcb9b57d1525192aff019a5c6d90ffc17b120d1740f9c315c789fac/http%3A//facebook.net" rel="nofollow">facebook.net</a>. <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/61cdcf9811d7eb59b38ce03c8d605cbc303737cf5a649104f80fbeba7cb86d3b/http%3A//Messenger.com" rel="nofollow">Messenger.com</a> is also blocked by 
  default, with a one-click toggle in the popup for users who rely on Messenger
  for communication.

## Rankings

- #56,451 — Overall
- #114 — facebook
- #134 — messenger

## Permissions and access

### Permissions

- `storage`
- `declarativeNetRequest`
- `alarms`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/facebook-url-blocker)