Compatibility Matrix

Network Filters

Feature	Supported	Note
*, wildcard	✓	uBlockOrigin's Wiki
^, separator	✓	match any separator or EOL: [^\w\d_.%-]|$
@@filter, exceptions	✓
|filter, left anchor	✓	match left of URL
filter|, right anchor	✓	match right of URL
||filter, hostname anchor	✓	match hostname of URL
RegExp	✓
Pre-parsing directives	✓	uBlockOrigin' Wiki
Type	Supported	Note
$~type (negation)	✓
$image	✓
$media	✓
$object	✓
$object-subrequest	✓
$other	✓
$ping	✓
$beacon	✓
$script	✓
$stylesheet	✓
$css	✓	alias for stylesheet
$subdocument	✓
$frame	✓	alias for subdocument
$xmlhttprequest	✓
$xhr	✓	alias for xmlhttprequest
$font	✓
$websocket	✓
$webrtc	✗
$popup		AdGuard's KB
Option	Supported	Note
$domain	✓	|-separated list of domains or hostnames
$~domain	✓	negated domains or hostnames
$badfilter	✓	uBlockOrigin' Wiki
$important	✓1	uBlockOrigin' Wiki, AdGuard KB
$third-party	✓	only apply yo third-party resources
$3p	✓	alias for third-party
$first-party	✓	alias for ~third-party
$1p	✓	alias for first-party
$redirect	✓2	uBlockOrigin's Wiki
$redirect=none	✓	disable specific redirect filters
$redirect-rule	✓	uBlockOrigin's Wiki
$generichide	✓
$ghide	✓	alias for generichide
$specifichide	✓
$shide	✓	alias for specifichide
$elemhide	✓
$ehide	✓	alias for elemhide
$csp	✓3	AdGuard KB
$match-case	✗	all filters are considered case insensitive
$document	✓
$doc	✓	alias for document
$genericblock	✗	will not be supported
$collapse
$content		AdGuard KB
$jsinject		AdGuard KB
$urlblock		AdGuard KB
$extension		AdGuard KB
$empty		AdGuard KB
$mp4		AdGuard KB
$replace		AdGuard KB

[1] Missing is proper handling of exceptions with $important flag but there is currently no such filter in use in popular lists.

[2] Strict validation rules are not currently enforced.

[3] Missing strict validation of accepted CSP values.

Cosmetic Filters

Feature	Supported	Note
## selector	✓
#@# exception	✓
hostnames	✓
~hostnames (negation)	✓
entities	✓	uBlockOrigin's Wiki
~entities (negation)	✓	uBlockOrigin's Wiki
:style	✓	uBlockOrigin's Wiki
+js(...)	✓	inject specific javascript code into pages
#@#+js()	✓	disable scriptlet injection for a given site
HTML filters		uBlockOrigin's Wiki, AgGuard's KB
^script:has-text(...)	✓
operators chaining	✓	only for has-text(...)
Procedural filters		uBlockOrigin's Wiki, AgGuard's KB
-abp-contains		https://kb.adguard.com/en/general/how-to-create-your-own-ad-filters#cosmetic-css-rules-syntax-1
-abp-has
-abp-properties
:has(...)	✓
:has-text(...)	✓
:if(...)	✓	Deprecated in favor of :has(...)
:if-not(...)		Deprecated in favor of :not(:has(...))
:matches-css(...)
:matches-css-after(...)
:matches-css-before(...)
:min-text-length(...)
:nth-ancestor(...)
:upward(...)
:watch-attr(...)
:watch-attrs(...)		Deprecated in favor of :watch-attr(...)
:xpath(...)

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As of April 2019 the following proportion of all filters are supported:

• network = 96%
• cosmetic = 99%

As a point of comparison, here are the same numbers for other blockers:

uBlock Origin:

• network = 99%
• cosmetic = 100%

AdblockPlus:

• network = 98%
• cosmetic = 98%

Brave:

• network = 55%
• cosmetic = ? (currently cosmetic filters are not applied)