# FBlock

> Simply block sites based on a blacklist. Enter domains to be blocked, include only domains. Ex: news.ycombinator.com INFO: This addon does not stop requests to blocked domains, only stops the user from viewing the content.

Canonical page: [https://chrome-stats.com/d/fblock-rupertdev](https://chrome-stats.com/d/fblock-rupertdev)

## Overview

- **ID:** `fblock-rupertdev`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** RupertDev
- **Category:** web-development,privacy-security,appearance
- **Version:** 1.1resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-09-27
- **Size:** 10 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/fblock-rupertdev/)

## Description

FBlock is a Firefox add-on that enables you to easily block specific websites using a blacklist. It prevents users from accessing the content on these blocked domains without stopping the requests to them.

## Rankings

- #143,075 — Overall

## Permissions and access

### Permissions

- `storage`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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/fblock-rupertdev)