# IMDb Rating Standard Deviation

> Displays the standard deviation of ratings on IMDb movie pages

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

## Overview

- **ID:** `imdb-stdev`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** JonasJK
- **Category:** search-tools,appearance,games-entertainment
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2025-11-30
- **First published:** 2025-11-27
- **Size:** 12 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/imdb-stdev/)

## Description

Displays Standard Deviation on single movies or Top 250.

## Rankings

- #88,847 — Overall
- #109 — rating

## Permissions and access

### Permissions

- `storage`
- `*://*.imdb.com/*`

### Content script matches

- `*.imdb.com`

## Safety

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

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- 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/imdb-stdev)