Advice Request AdGuard: What are filters?

[Gandalf_The_Grey]

What are filters?

We know what online ads are. They don’t relate to the content of the page, they are annoying. They are designed to make us pay. If you click an ad, another website will open (and in the worst-case scenario, a malicious file can be downloaded). We know what ads are because we're human.

An ad blocker is a program. To teach an ad blocker to recognize ads, developers use a special language: the language of filtering rules.

Table of contents:

• What filtering rules look like
• What filters are
• How filters are created
• What AdGuard filters are responsible for
• How to add and where to find third-party filters
• How to add your own rules

What are filters?

We know what online ads are. They don’t relate to the content of the page, they are annoying. They are designed to make us pay. If you click an ad, another website will open (and in the worst-case scenario, a malicious file can be downloaded). We know what ads are because we're human.

adguard.com