A Firefox extension that displays the standard deviation (σ) of user ratings on IMDb movie pages.
The extension calculates the population standard deviation using the formula:
σ = √(Σ(x - μ)² / N)
Where:
- x = individual rating (1-10)
- μ = mean rating
- N = total number of votes
- Firefox 48+
- Manifest v2 (compatible with current Firefox extension standards)
storage: To cache rating data in localStorage*://*.imdb.com/*: To access IMDb pages and fetch rating data
This extension:
- Does not collect any user data
- Does not send data to external servers
- Only makes requests to IMDb.com
- Stores data locally in your browser
MIT