Important: This website does not attempt to establish a standard for how assistive technologies must behave. Read the FAQ for more information. Additionally, this is a work in progress. Please submit feedback or suggestions.

CSS generated content (css)

Screen Reader support level: partial (36/44)

Voice Control support level: partial (8/26)

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About this feature

CSS Generated Content is content that is added to the DOM via CSS such as ::before and ::after content.

Avoid using CSS generated content for meaningful textual additions.

Age of results

Results across all tests for this feature range from 3 years ago to 6 years ago. Detailed dates and version information can be found in associated tests.


Failing or partial results may be out of date. The oldest result is from 6 years ago. Consider running the associated tests and contributing results.


What are expectations?

Screen Reader support by expectation

ExpectationJAWSNarratorNVDAOrcaTalkBackVoiceOver (iOS)VoiceOver (macOS)
MUST be included as part of the accessible namepartial (2/4)partial (2/4)supportedpartial (2/4)partial (3/4)partial (3/4)supportedsupportedsupportedsupportedsupported

Voice Control support by expectation

ExpectationDragon Naturally SpeakingVoice Access (Android)Voice Control (iOS)Voice Control (MacOS)Windows Speech RecognitionWindows Voice Access
MUST be included as part of the accessible namenonesupported with 1 unknown resultpartial (2/3)supportedsupported with 2 unknown resultsnoneunknownunknown

Expectation: be included as part of the accessible name

Strength of this expectation for different types of assistive technologies:

  • Screen Readers: MUST
  • Voice Control: MUST

Related features

These are features that are usually used in combination with this feature.

CSS generated content - alternative text (css)

DragonJAWSNarratorNVDAOrcaTalkBackVoice AccessVC iOSVC MacOSVoiceOver (iOS)VoiceOver (macOS)Speech RecognitionWindows Voice AccessWindowsMaciOSAndroid Keyboard
supported with 1 unknown resultsupported with 1 unknown resultsupported with 1 unknown resultsupported with 1 unknown resultunknownsupported with 1 unknown resultsupported with 1 unknown resultunknownunknownunknownunknownsupported with 2 unknown resultsunknownunknownunknownunknownunknown

We are missing data on some combinations.