FAQ: Accessibility

Hi there,

My name is Lory and I work for a nonprofit agency and we're using JAWS software for our visually impaired employees. Do you have an example of a dashboard that JAWS software can read? I've tried several options in Tableau but it doesn't seem to read it. I just want to learn from a sample and see how I can incorporate that with our dashboards.

Appreciate your help.

Hi Lory -

Absolutely. The best example is the one hosted on our third-party accessibility consultant's web site: https://equalentry.com/tableau-accessibility-demo/

This is the page and dashboard they use for testing to prepare our VPAT for each release. In fact, if you look at the VPAT (links above), you can see descriptions of all the scenarios they test.

Note that dashboards are only accessible if they are published to one of our web-based platforms (Tableau Server, Tableau Online, or Tableau Public) and accessed using a browser. Dashboards in Tableau Desktop are not accessible. Also, we added the accessibility capabilities starting in Tableau 10.5.

Kyle

Hi Amar -

I assume your Home image is a shape mark on the underlying sheet. Is that correct? In that case, there's not a way to use the keyboard to "press" that image. Opening the View data page is the behavior since what you are activating is actually a viz.

As of Tableau 2018.3, the best option for navigation is to use the Button object, though there's no way (unless someone has discovered some crazy way to do it, like people sometimes do with Tableau!) to get it to show/hide in different scenarios like you are describing.

Is there another potential design for the dashboard that would satisfy your requirements?

Kyle

Hi Kyle,

Thank you for this amazing resource. I work for municipal government in Ontario and need to get the tableau dashboards/stories to meet AODA requirements or WCAG 2.0 A. I am a little bit unclear about this but from reading it seems that Tableau Stories are inherently inaccessible due to their inability to be tabbed through. Is this correct? If so, do you know if a solution to this could be to provide the underlying data as a screen readable table below the story on the website?

For context, I was about to start working on making a story like this one accessible (colours, contrast, proper descriptions, etc.) as well as to create an iPhone layout. It looks like the story method may not be the right way to go about either of these things... Tableau Public

Let me know if you have any thoughts or experience with Tableau Stories and accessibility.

thanks!

Tamara

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Emne: Ann Ho answered: FAQ: Accessibility

The VPAT does not denote the severity of the conformance gaps identified, only the degree to which the capability is supported. We reviewed the results of our 2020 VPAT and the audit that informed the VPAT and a most of the gaps listed as "partially supports" are considered minor in that users are not blocked from completing tasks but it may be more difficult than it needs to be. That said, we are continuously looking at our VPAT results to improve our conformance profile. - 1.3.2: This is specific to the search results that appear in a drop-down below the search box when entering a search term. We are looking at redesigning this control as part of our overall search improvements and what improvements can be made for accessibility. Until then, with the existing versions, experienced assistive technology users can still navigate to the search results: NVDA users can activate a ""list clickable"" element, or switch to focus mode, to then support arrow down. JAWS users can turning off PC cursor and navigate the results. - 1.4.3: Several of these have already been resolved in subsequent releases and more will be resolved in the upcoming releases. In other cases, we are still assessing design considerations and our design standards to address contrast ratio requirements. - 2.1.1 & 4.1.2: Most of these are associated with the Tableau Online sign-in pages and the issues are in our backlog to resolve. Hope that's helpful in providing an update and context. -Ann

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Ann Ho<

> (Tableau)

The VPAT does not denote the severity of the conformance gaps identified, only the degree to which the capability is supported. We reviewed the results of our 2020 VPAT and the audit that informed the VPAT and a most of the gaps listed as "partially supports" are considered minor in that users are not blocked from completing tasks but it may be more difficult than it needs to be. That said, we are continuously looking at our VPAT results to improve our conformance profile.

* 1.3.2: This is specific to the search results that appear in a drop-down below the search box when entering a search term. We are looking at redesigning this control as part of our overall search improvements and what improvements can be made for accessibility. Until then, with the existing versions, experienced assistive technology users can still navigate to the search results: NVDA users can activate a ""list clickable"" element, or switch to focus mode, to then support arrow down. JAWS users can turning off PC cursor and navigate the results.

* 1.4.3: Several of these have already been resolved in subsequent releases and more will be resolved in the upcoming releases. In other cases, we are still assessing design considerations and our design standards to address contrast ratio requirements.

* 2.1.1 & 4.1.2: Most of these are associated with the Tableau Online sign-in pages and the issues are in our backlog to resolve.

Hope that's helpful in providing an update and context.

-Ann

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FAQ: Accessibility

Accessibility Conformance Reports (VPATs)

* Current Version

* Tableau 2021.1 Embedded Views<

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* Tableau 2021.1 Viewer Access<

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* Previous Versions

* Tableau 2020.4 Embedded Views<

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* Tableau 2020.4 Viewer Access<

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* Please search the Tableau Community Forums for the accessibility conformance reports for older versions of Tableau.

Blog Posts

* Three ways to make your COVID-19 dashboards more accessible to people with disabilities<

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* Latest updates on accessibility in Tableau<

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* How to create and publish accessible dashboards in Tableau<

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* Create accessible vizzes with Tableau 10.2<

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Documentation

* Build Accessible Dashboards<

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* Build Data Views for Accessibility<

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* Author Views for Accessibility<

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* Best Practices for Designing Accessible Views<

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* Keyboard accessibility for Tableau views<

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Questions and Tips

* Keyboard and Screen Reader Support in Tableau Dashboards<

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* What items can I use on a dashboard that I want to be accessible?<

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* How can I set the focus order of the views and objects in a dashboard?<

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* Colorblind Custom Color Palettes<

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* Tips for Using NVDA with Tableau Dashboards<

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* Do I really have to embed my dashboards in an accessible web page?<

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* What is the best practice for providing keyboard navigation instructions for a dashboard?<

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* Customizing Filters for Better Accessibility<

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* Customizing Filters for Better Accessibility, Part II: Disabling the "All" Value<

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* Meeting New WCAG 2.1 Success Criteria in Tableau Dashboards: Reflow<

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* Meeting New WCAG 2.1 Success Criteria in Tableau Dashboards: Non-Text Contrast<

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* Creating More Accessible BANs<

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Examples of Dashboards Designed for Accessibility

* SAT Performance of Admitted Students<

> (Target: WCAG 2.1 Level AA)

* SAT Performance of Admitted Students<

> (Target: WCAG 2.0 Level AA)

* ICT Daily Planing Tool<

> (Target: WCAG 2.0 Level AA)

* NYSERDA Clean Energy Dashboard<

> (Target: WCAG 2.0 Level AA; example of using Tableau JavaScript API to display data in HTML table external to dashboard for accessibility purposes)

Presentations

* Applying Web Content Accessibility Guidelines (WCAG) in Data Visualizations<

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* Toronto Tableau User Group Presentation from 03/24/2021<

> (starts at 37:48, although the previous presentation on general accessibility best practices is excellent and worth watching)

* TC19: Create and Publish Accessible Dashboards in Tableau<

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* Data Science Central Webinar: Building accessible dashboards in Tableau<

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* TC18: Create and publish accessible dashboards in Tableau<

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* Think Data Thursday: Designing Tableau Dashboards for Accessibility<

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Videos

* Creating accessible dashboards in Tableau<

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* Using accessible dashboards with screen readers and keyboard-only operations<

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[Bilde er fjernet av sender.]<

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Ann Ho<

> (Tableau)

The VPAT does not denote the severity of the conformance gaps identified, only the degree to which the capability is supported. We reviewed the results of our 2020 VPAT and the audit that informed the VPAT and a most of the gaps listed as "partially supports" are considered minor in that users are not blocked from completing tasks but it may be more difficult than it needs to be. That said, we are continuously looking at our VPAT results to impr

Hi Kyle,

I have been working on some custom color palettes for the community. The color palettes have been formed based on the color palette information found at http://mkweb.bcgsc.ca/colorblind/ for deuteranopia, protanopia, and tritanopia. Only colors which have passed the Color Contrast Analyzer with AA standards are included.

For knowledge, I have only transformed those in the grey box and included if they should be used with a white or black background.

Use the following instructions to make / modify your preferences file: https://onlinehelp.tableau.com/current/pro/desktop/en-us/formatting_create_custom_colors.htm#about-the-preferences-file

Thanks for all your hard work championing Accessibility!

Catherine

Hi Kyle,

Thank you very much for sharing information about designing accessible dashboards!  My state agency has been working with our web team on redesigning our dashboards to ensure that they meet the Section 508 requirements.  There have been some challenges, and I hope you will be able to give me some guidance.

One challenge I have is the table below.  The table uses a black and red color to show increase and decrease from a prior year change.  My web team suggested that we include a shape so that color is not the only distinguishable mark on the table as an indicator of the increase/decrease information.  The tooltip will also provide the percent change information.  From your experience, is the red and black colors distinguishable enough in the table?  There aren't many marks but will this table provide a disservice for individuals with color contrast difficulties?