# BlockSite

> BlockSite is an extension, which automatically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.

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

## Overview

- **ID:** `blocksite`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Blocksite
- **Category:** privacy-security
- **Daily users:** 32,665
- **Weekly downloads:** 607
- **Rating:** 3.71 / 5 (1,269 ratings)
- **Version:** 4.0.8.3resigned1
- **Last updated:** 2024-04-25
- **First published:** 2006-08-09
- **Size:** 9.76 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/blocksite/)
- **Website:** [https://blocksite.co](https://blocksite.co/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/blocksite/privacy/](https://addons.mozilla.org/firefox/addon/blocksite/privacy/)

## Description

## BlockSite Chrome Extension

BlockSite is a powerful Chrome extension designed to help you stay focused, improve productivity, and control your internet usage by blocking distracting or harmful websites. Easily create custom block lists or use the bulk adult content blocker to protect yourself and your family from inappropriate sites. Use keyword-based blocking to filter out unwanted search results and websites. Set specific times for blocks to activate, ensuring that your focus remains during work or study hours. Switch between blacklists and whitelists for flexible control over your browsing experience. Easily access the quick block feature with a right-click, and redirect blocked sites to safer alternatives to build a more positive and effective online environment. 

Privacy is important; BlockSite collects some usage data anonymously and allows opting out of data collection. It’s an ideal tool for parents, students, or anyone looking to reduce procrastination and stay productive online.

## Rankings

- #409 — Overall
- #103 — Privacy & Security
- #7 — site
- #15 — writer's block
- #16 — procrastine
- #17 — block ads

## Permissions and access

### Permissions

- `tabs`
- `webNavigation`
- `<all_urls>`
- `cookies`
- `management`
- `notifications`
- `contextMenus`
- `webRequest`
- `webRequestBlocking`
- `unlimitedStorage`
- `storage`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Very high risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has medium 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).

## Review summary

Reviewers repeatedly note that BlockSite helps block hateful/annoying sites to boost focus, but the core drawbacks are a clunky, non-intuitive UI and blocking delays or reliability issues, including pages loading before blocks and occasional non-functionality.

### Pros

- Blocks hateful and annoying websites, helping improve work focus.

### Cons

- Poor UX/UI: hard to start using; blocking flow requires extra steps and shows separate screens.
- Blocking is not immediate or reliable: pages may load before BlockSite blocks, and some blocks may not apply consistently.

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