ATO Blocker

Name: ATO Blocker
Rating: 5 (4 reviews)
Author: remusao

A super minimal blocker of ads, trackers and annoyances which works out of the box. Compared to most other extensions, it does not require (or offer) any configuration options and "just works".

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Features & Capabilities

A super minimal blocker of ads, trackers and annoyances which works out of the box:

• Blocks ads. • Blocks tracking. • Blocks annoyances. • Very small memory and CPU footprint(*). • Fast loading time(**).

This extension does not offer options to configure the behavior of the extension and is aimed at people who want a content blocker which just works out of the box. To this effect, the developer of this addon has carefully selected a set of stable and widely used filters lists, updated daily. The following lists are used by default:

• EasyList (ads) • EasyList Cookies (annoyances) • Peter Lowe’s Ad server list (ads and tracking) • EasyPrivacy (tracking) • uBlock filters (ads + tracking + annoyances) • Fanboy annoyances

(*) The source code weighs ~70KB gzipped and ~190KB uncompressed. The raw memory usage is less than 5MB (1.7MB reported in about:performance), which is smaller than any other adblocker extension.

(**) The blocker is initialized in less than 200ms, even on cold start, which means that ads and trackers are blocked as soon as your browser starts.

User Growth & Download Statistics

Add-on

By:

remusao

Daily users:

Rating:

5.00

(4)

Version:

1.1.1 Last updated: 2021-02-21

Version code:

5186083

Creation date:

2020-05-11

Risk:

Permissions:

Content scripts matches:

Size:

2.40MB

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-07-01

Compare stats and ranking:

Ranking

# 68,028 ▲ 216

For Developers

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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:

remusao

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/ato-blocker/

Website:

https://github.com/remusao/blockrz/issues

User Reviews

by Ve*****, 2020-08-20

it just works!

by St*****, 2020-07-03

by Ma*****, 2020-05-27

View all user reviews ›

Is ATO Blocker 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.

ATO Blocker requires a lot of 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.
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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.

ATO Blocker has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details

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