# Site Blocker

> Block distracting websites with a custom blocklist

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

## Overview

- **ID:** `sites-blocker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Cassy Mongiovi
- **Daily users:** 61
- **Weekly downloads:** 3
- **Version:** 6.72.3
- **Last updated:** 2026-05-11
- **First published:** 2026-04-01
- **Size:** 512 KB
- **Data as of:** 2026-05-18
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/sites-blocker/)

## Permissions and access

### Permissions

- `clipboardRead`

## Safety

- **Risk impact:** Low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Allows reading and modifying clipboard content, which can be sensitive, posing a moderate privacy risk.
- This extension is not longer available in the store

## Similar extensions and apps

- [Website Blocker](https://chrome-stats.com/d/blockerwebsite) — 4 users
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- [Focus Blocker](https://chrome-stats.com/d/focus-blocker)
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- [Website Blocker](https://chrome-stats.com/d/website-blocker-by-sleekaddons) — 5 users
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- [Website Blocker](https://chrome-stats.com/d/website-blockereres)
- [Awesome Site Blocker](https://chrome-stats.com/d/awesome-site-blocker)
- [Tiny Block](https://chrome-stats.com/d/tiny-block) — 1 users
- [BlocksEverything](https://chrome-stats.com/d/blockseverything)
- [Website Blocker (Productivity)](https://chrome-stats.com/d/website-blocker-productivity)

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