# Comparison Mode

> Compare complexity of two websites side by side.

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

## Overview

- **ID:** `comparison-mode`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Jose
- **Version:** 1.0.0
- **Last updated:** 2026-03-07
- **First published:** 2026-03-04
- **Size:** 15 KB
- **Data as of:** 2026-05-19
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/comparison-mode/)

## Description

Comparison Mode lets you analyze two sites and display their performance metrics in a split view, ideal for benchmarking competitors.

## Permissions and access

### Permissions

- `activeTab`
- `scripting`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension is not longer available in the store

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Simple Web Compare](https://chrome-stats.com/d/simple-web-compare)
- [Simple Web Compare v2](https://chrome-stats.com/d/simple-web-compare-v2)
- [Competitor Analyzer](https://chrome-stats.com/d/competitor-analyzer) — 1 users
- [WebCompare](https://chrome-stats.com/d/webcompare) — 1 users
- [Smart Contrast Overlay](https://chrome-stats.com/d/smart-contrast-overlay) — 1 users
- [Product Feature Comparator](https://chrome-stats.com/d/product-feature-comparator) — 1 users
- [Compare](https://chrome-stats.com/d/compare-view) — 2 users
- [Product Comparator](https://chrome-stats.com/d/product-comparator)
- [Smart Comparison Overlay](https://chrome-stats.com/d/smart-comparison-overlay)
- [Simple Compare Tool](https://chrome-stats.com/d/simple-compare-tool) — 1 users
- [Visual List Comparator](https://chrome-stats.com/d/visual-list-comparator) — 1 users
- [Website Speed Monitor](https://chrome-stats.com/d/website-speed-monitor) — 1 users

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