# Browser Calories

> The easiest way to measure your performance budget

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

## Overview

- **ID:** `browser-calories`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Zeno Rocha
- **Category:** web-development
- **Daily users:** 17
- **Version:** 1.3.3resigned1
- **Last updated:** 2024-04-25
- **First published:** 2016-05-25
- **Size:** 310 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/browser-calories/)
- **Website:** [https://github.com/zenorocha/browser-calories/issues](https://github.com/zenorocha/browser-calories/issues)

## Description

Browser Calories is a Firefox add-on that enables you to set a performance budget and measure if a web page exceeds the defined limits. With the web getting heavier, this tool ensures optimal page weight to boost conversion, retention, and SEO.

## Rankings

- #26,552 — Overall

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `https://www.googleapis.com/`

## Safety

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

### Analysis details

- Request access to the following domains: googleapis.com
- 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/browser-calories)