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PDF4 Decorative image marked as artifact Screen reader compatibility

Last updated: January 11, 2020

Expected Result: works in a screen reader

Actual Result: causes problems in 4 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%

Change History

Last updated: January 11, 2020

Screen readerBrowserModeNotesWhat the user hears
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 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 10.14Safari 13.0 ReadingImage 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: