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Ublock Origin: An Introduction to Ublock Origin and How to Use It


uBlock Origin’s major objective is to safeguard users against the increasing encroachment of third parties on their personal information while they are online. For many browsers, it can be downloaded as a free and open-source ad blocker and content filter.

The creators don’t refer to it as an ad blocker, but rather as a “wide-spectrum content filter,” and with good reason. uBlock Origin is one of the most advanced and adaptable alternatives for increasing your privacy online with a low impact on your CPU or memory consumption.

Exactly What Does Ublock Origin Mean?

uBlock Origin (uBO), created by Raymond Hill (gorilla on, is a widely used, top-tier, cross-platform browser extension for content filtering. uBO is an extension that filters out malicious information such as advertisements, trackers, pop-ups, malware, coin miners, and JavaScript components, unlike its competitors.

uBO is free software that has been built collaboratively by programmers using the GitHub platform. In comparison to some of its closed-source rival apps, such as those that sell user data to third-party companies for profit, the open-source uBO is generally more trustworthy and transparent.

The uBO interface allows you to choose between an easy, medium, and hard difficulty level.

If you’re just getting started, “easy mode” leaves everything as is, with the exception of a few dashboard toggles for added privacy and protection.

Medium mode is for advanced users and needs an in-depth understanding of the add-on, enabling users to personally pick what content is filtered and what is allowed. If you’re concerned about your privacy, you should use this setting.

In order to achieve a negligible improvement in security, switching to “hard mode” (which is really “medium mode on steroids”) is likely to cause more website crashes.
uBO is a browser extension that works with Chrome, Chromium, Microsoft Edge, Opera, and Mozilla Firefox (including the Android and iOS versions). Unfortunately, it’s no longer available on Apple’s Safari.

Please note that the uBlock Origin add-on must be used when installing it. Several extensions, such as and uBlock, falsely claim to be uBO (without the Origin). These fraudulent versions steal user data for profit.

To Simplify: Apply a Vanity Filter

how to use ublock origin

HBO’s “cosmetic filtering” features are two of the most potent in the industry. There is the Element Zapper and the Element Picker. Both the Zapper and the Picker let you select specific parts of a website to disable, although only the latter is truly permanent.

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Modifications that Can Be Made in U Block Origin Later On

It is possible for any user to activate a number of powerful options. The effectiveness and reach of uBO’s features can be expanded with the help of these adjustments.

It’s important to learn how the add-on works before making any changes to the settings for advanced users; otherwise, you may end up with less security than you had before.

Throw open the uBO control panel.
Select the checkbox for “I am an advanced user” under the “Settings” menu.

Up to And Including Medium-Mode Dynamic Filtering

how to use ublock origin

To improve its results, uBO employs both static and dynamic filtering. The above-mentioned filter lists provide the basis for the default, static filtering that is applied to all material on the website.

Dynamic filtering allows users to create rules that override static filtering, allowing added flexibility over the kind of content that you can restrict or allow. This can be toggled by clicking the uBO icon and selecting the Less and More buttons.
To see what happens when you click the uBO icon now that dynamic filtering is turned on:

Request types are listed in regular text, with the requesting domains highlighted in bold. Each hostname has a vertical bar of color next to it.

Green implies everything is allowed from that hostname, yellow means some things are blocked, some are allowed, and red signifies that everything is blocked. There will be no dynamic filtering rules set up automatically.

The second column contains worldwide regulations. These are rules which influence all websites. Each cell will be preset to a pale grey color. This means there are no regulations applied.

The third column represents local regulations that will apply exclusively to the site to which it has been added. For example, if you block the domain globally, it will never load on your browser. However, if you merely block it locally (say on a blog), then it will load on every other site save for that one

Plus symbols signify that some content is being allowed, while minus symbols mean the content is being prohibited. There may be a mix based on the automatically applied filter lists.

If you hover over the second and third columns, you’ll notice a grey and red box. The red box sets a blocking rule, implying that the material will be prohibited. The grey box creates a “loop” rule, allowing you to bypass global blocking restrictions for content kinds and URLs.

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How to Save and Revert Filtering Rules

how to use ublock origin

Implementing content blocks will help you attain optimal privacy but may also cause numerous websites to malfunction. With this in mind, uBO has made it easy to experiment. You can delete all rules and start over by clicking the eraser.

You may also lock in your ruleset once you find a combination that works well by clicking the padlock.

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