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PDF4 Decorative image marked as artifact Screen reader compatibility

Last updated: October 16, 2021

Expected Result: works in a screen reader

Actual Result: causes problems in 12 screen reader / browser combinations

WCAG Technique: PDF4 Hiding decorative images with the Artifact tag in PDF documents

Code used for this test:


        <a href='SR_PDF_artifact.pdf'>SR_PDF_artifact.pdf</a>
    

Reliability Trend

This graph shows reliability over time for this code in NVDA, JAWS and Voiceover. Other screen readers don't have enough historical data yet to plot trends.

100%80%60%40%20%0%201520162017201867%201975%202050%202150%

Change History

Last updated: October 16, 2021

Screen readerBrowserModeNotesWhat the user hears
Fail NVDA 2021.2Chrome 94 ReadingImage not ignored as artifact Graphic, unlabeled graphic.
OK NVDA 2021.2FF91 ReadingImage ignored as expected
Fail NVDA 2021.2Edge 94 ReadingImage not ignored as artifact Graphic, unlabeled graphic.
Fail NVDA 2020.2Chrome 86 ReadingImage not ignored as artifact Graphic, unlabeled graphic.
OK NVDA 2020.2FF78 ReadingImage ignored as expected
Fail NVDA 2020.2Edge 92 ReadingImage not ignored as artifact Graphic, unlabeled graphic.
Fail NVDA 2019.2Chrome 79 ReadingImage not ignored as artifact Graphic, unlabeled graphic.
OK NVDA 2019.2FF68 ReadingImage ignored as expected
OK NVDA 2019.2IE11 ReadingImage ignored as expected
Fail NVDA 2018.4Chrome 73 ReadingImage not ignored as artifact Graphic, unlabeled graphic.
OK NVDA 2018.4FF60 ReadingImage ignored as expected
OK NVDA 2018.4IE11 ReadingImage ignored as expected
OK NVDA 2017.3IE11 ReadingImage ignored as expected
Fail JAWS 2021.2107.12Chrome 94 ReadingImage not ignored as artifact Unlabeled graphic.
OK JAWS 2021.2107.12FF91 ReadingImage ignored as expected - Firefox accessibility inspector shows no images in accessibility tree
Fail JAWS 2021.2107.12Edge 94 ReadingImage not ignored as artifact Unlabeled graphic.
Fail JAWS 2020.2008.24Chrome 86 ReadingImage not ignored as artifact Unlabeled graphic, graphic.
OK JAWS 2020.2008.24FF78 ReadingImage ignored as expected
Fail JAWS 2020.2008.24Edge 92 ReadingImage not ignored as artifact Unlabeled graphic, graphic.
Fail JAWS 2019.1912.1Chrome 79 ReadingImage not ignored as artifact Unlabeled graphic, graphic.
OK JAWS 2019.1912.1FF68 ReadingImage ignored as expected
OK JAWS 2019.1912.1IE11 ReadingImage ignored as expected
Fail JAWS 2018.1811.2Chrome 73 ReadingImage not ignored as artifact Unlabeled graphic, graphic.
OK JAWS 2018.1811.2FF60 ReadingImage ignored as expected
OK JAWS 2018.1811.2IE11 ReadingImage ignored as expected
OK JAWS 17.0.2007IE11 ReadingImage ignored as expected
OK VoiceOver macOS 11.5Safari 15.0 ReadingImage ignored as expected
OK VoiceOver macOS 10.15Safari 14.1 ReadingImage ignored as expected
OK VoiceOver macOS 10.14Safari 13.0 ReadingImage ignored as expected
OK VoiceOver iOS 14.7Safari iOS 14.7TouchImage ignored as expected
OK VoiceOver iOS 13.3Safari iOS 13.3TouchImage ignored as expected
OK VoiceOver iOS 12.4Safari iOS 12.4TouchImage ignored as expected

Test notes

All tests were carried out with screen reader factory settings. JAWS in particular has a wide variety of settings controlling exactly what gets spoken.

Screen readers allow users to interact in different modes, and can produce very different results in each mode. The modes used in these tests are:

In the "What the user hears" column: