# A11yFocus

> Quickly debug focus problems when testing a page for accessibility issues.

Canonical page: [https://chrome-stats.com/d/a11yfocus](https://chrome-stats.com/d/a11yfocus)

## Overview

- **ID:** `a11yfocus`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Francesco De Stefano
- **Category:** web-development
- **Daily users:** 17
- **Rating:** 4.00 / 5 (1 ratings)
- **Version:** 0.1.1
- **Last updated:** 2019-12-31
- **First published:** 2019-02-15
- **Size:** 103 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/a11yfocus/)
- **Website:** [https://mediamaster.eu/contatti/](https://mediamaster.eu/contatti/)

## Description

A11yFocus is a Firefox add-on embedded in Developer Tools that helps you debug focus problems when testing a page for accessibility issues. It displays the focus history with CSS selectors and animates the focus ring. With A11yFocus, you can detect focus resets, test focus order, and debug screen reader issues with modern web apps.

## Rankings

- #26,419 — Overall
- #68 — focus
- #90 — problem
- #129 — debug

## Permissions and access

### Permissions

- `tabs`
- `http://*/*`
- `https://*/*`

### Content script matches

- `*`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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/a11yfocus)