Tab Performance Tool

Name: Tab Performance Tool
Author: likeafox

By: likeafox

An improved about:performance panel (pre-release do not use)

Download

Install

Features & Capabilities

My attempt at making a more feature-rich about:performance panel. Currently only lists loaded tabs, and allows you to unload a tab from memory by clicking on the list.

How to find the panel:

Verify that you have installed Tab Performance Tool
Navigate to "about:debugging"
Click "This Firefox"
Find where the extension is listed on the page
Copy the link pointing to the URL of the manifest file of the extension (it will be ending with "manifest.json")
Paste that URL and edit it, removing "manifest.json" and replacing that part with "tabs.html"
Navigate to that new URL

Unfortunately when making this I did not realize important parts of Firefox needed to recreate about:performance page, are locked away from extension developers. Until the APIs available to extensions is expanded, this extension will be without most of its intended features.

User Growth & Download Statistics

Add-on

By:

likeafox

Daily users:

Version:

0.1 Last updated: 2022-01-19

Version code:

5351433

Creation date:

2022-01-18

Risk:

Permissions:

tabs

Size:

18.04KB

Email:

id*****@o2.sg

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-18

Compare stats and ranking:

Ranking

# 139,382 ▲ 3,311

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Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

likeafox

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/tab-performance-tool/

Email:

id*****@o2.sg

Website:

https://github.com/likeafox/Tab-Performance-Tool

Is Tab Performance Tool Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Tab Performance Tool requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

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

Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Tab Performance Tool is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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