Create Accessible Infographics
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Create Accessible Infographics

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This presentation covers various methods for making your infographics not only accessible, but also shareable. This presentation was developed for the CSUN 2013 conference. The accessible version of ...

This presentation covers various methods for making your infographics not only accessible, but also shareable. This presentation was developed for the CSUN 2013 conference. The accessible version of this presentation is at http://www.last-child.com/accessible-infographics/csun-2013-presentation/

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Create Accessible Infographics Create Accessible Infographics Presentation Transcript

  • Accessible Infographics CSUN 2013 Ted Drake, Intuit Accessibility Test pages and sample code: last-child.com/accessible-infographics Slides: Slideshare.net/7mary4/ Twitter: @ted_drakeWednesday, March 6, 13Many of these slides will have cute images of otters. You won’t be missing anything if you arenot able to see the slide.I will announce anything that is important.I am interested in meeting with Intuit users to get your feedback. What works, what doesn’t?Otter images are available via creative commons and Flickr.
  • What is an infographic?Wednesday, March 6, 13
  • Wednesday, March 6, 13“Even as a tree has a single trunk,but many branches and leaves, thereis one religion, but many faiths” - Mahatma Gandhi
  • Wednesday, March 6, 13http://venturebeat.com/2013/02/05/sprinklr-funding/the social media map as defined by sprinklr
  • Wednesday, March 6, 13http://www.disabled-world.com/disability/statistics/american-disability.php
  • Wednesday, March 6, 13
  • Goals “otter” by Sodaro,kWednesday, March 6, 13This presentation will cover the following topics The Audience Longdesc attribute Using ARIA Including the transcript Linking to the transcript Recommendations“otter” by Sodaro,k
  • Audience “otters” by Adrian MaidmentWednesday, March 6, 13These solutions do not consider the screen reader user as the only audience. They place equal importance on developers, including bloggers, as well as marketing teams that hope togenerate publicity by creating engaging infographics. They were tested against the following criteria: • Browsers and screen reader support • The viewers ability to copy/paste the content • Ease of coding and sharing
  • “Otters!” by ianbckwltrWednesday, March 6, 13 LongdescThe longdesc attribute allows developers to connect an image to a description.It is not fully supported and has been targeted for deprecation in HTML5It’s easy to code.
  • <img src=”otter.jpg” alt=”wild otter” longdesc=”otter.html”>Wednesday, March 6, 13The longdesc attribute contains a reference to a web page with the full description of theimage.The description can be located on the same page as the image.
  • Wednesday, March 6, 13This video shows JAWS announcing an image with a long description and subsequentlynavigating to the page with the long description.http://www.youtube.com/watch?v=vXF7JwY3rxI
  • ARIA “Otter” by Stephen & Claire FarnsworthWednesday, March 6, 13The ARIA standard allows developers to make interactive, application-like web sites accessible.ARIA attributes allow developers to define roles, states, and labels.There are two attributes that could be used for making infographics accessible.
  • Wednesday, March 6, 13Tweet conversation Feb. 13@ted_drake: From a purely semantic standpoint. What should replace longdesc: aria-labelledby or aria-describedby? What about userexpectation? #a11y@Jennison: @ted_drake Re user expectation, I bet if you asked the "average" user, they wouldnt care which one, so long as the info isthere.
  • webaxe @ted_drake Also, the main problem with replacing #longdesc is that aria alternatives strip out all structural markup, no? @JennisonWednesday, March 6, 13While the longdesc allowed the user to navigate to a page with the description,the aria-describedby attribute causes the screen reader to grab that content and announceit as a single text string. The user cannot stop, rewind, or navigate the description.Tweet from WebAxe about the stringification of the description.
  • aria-describedby <img src=”otter.jpg” alt=”wild otter” aria- describedby=”otter”>Wednesday, March 6, 13The aria-describedby attribute points to content on the same page that provides a secondarydescription.It over-rides the title attribute.Support is inconsistent
  • Wednesday, March 6, 13This video shows VoiceOver and Safari announcing an infographic with aria-describedby.Notice there is a short delay before the description is announced.The user may not know the description is available.http://www.youtube.com/watch?feature=player_embedded&v=fdv8lXN5amo
  • aria-labelledby <img src=”otter.jpg” alt=”wild otter” aria- labelledby=”otter”>Wednesday, March 6, 13aria-labelledby is normally used for form inputs. It allows the user to define a label viacontent on the page.aria-labelledby over-rides the alt attribute on an image.The user may not know they have landed on an image, they are immediately presented withthe description as a text string.
  • Wednesday, March 6, 13This short video shows how VoiceOver announces an image with aria-labelledby.Notice VoiceOver does not announce the image has focus.http://www.youtube.com/watch?v=If3pBxuHGVg
  • Include the Transcript Otter Creek Used Book Sign from benjamin_scott_florinWednesday, March 6, 13Longdesc allows the user to navigate to a transcript.Aria attributes trigger the screen reader grab that content and announce it.Including the transcript makes it accessible to everyone, regardless of devices.Long transcripts can be distracting when the infographic is shared.
  • Wednesday, March 6, 13This short video shows VoiceOver announcing an infographic and its transcript.http://www.youtube.com/watch?v=_6i4Z2nRYLs
  • Hide the transcriptPeek-A-Boo by Rega PhotographyWednesday, March 6, 13Hide the transcript visually, yet make it available to screen readers with the clip patternhttp://developer.yahoo.com/blogs/ydn/posts/2012/10/clip-your-hidden-content-for-better-accessibility/This is great for screen reader users, but sighted users are not able to copy/paste content.Hidden links will receive focus, which can be confusing for sighted keyboard users.
  • Wednesday, March 6, 13This video shows how a screen reader announces the hidden content. Visually there is notmuch change on the page as the screen reader moves through the hidden description.http://www.youtube.com/watch?v=iA-xVkY5_ys
  • Toggle the Transcript Otter Love part deux by markspokes49Wednesday, March 6, 13Give everyone the ability to read and interact with the transcript by hiding it initially andproviding a toggle button. Using display:none will hide the content completely.It’s important to control focus when toggling visibility to make sure screen reader users knowthe page has changed.Iframes may not expand to include the new content. This will generate scroll bars in somebrowsers.
  • Accessible Toggles 1.Visible with JavaScript disabled. 2.JS hides transcript & gives header tabindex=”-1” 3.Make the transcript visible, set focus on header, hide the “show” button. 4.Hide the transcript, display the show button, set focus back on the show button.Wednesday, March 6, 13 1. The toggle behavior depends on JavaScript, so on page load we will hide the transcript and give the header tabindex="-1" for future focus. 2. The show button will make the transcript visible, set focus on the transcript’s first header, and hide the show button. 3. The hide buttons will close the transcript, make the show button visible, and set focus back on the show button
  • Wednesday, March 6, 13This video shows how the transcript can easily be toggled. It also shows how focus is movedto the relevant areas.http://www.youtube.com/watch?v=wZuNBe5DK6M
  • Transcript Links New Forest otters by Prince HeathenWednesday, March 6, 13Adding a link to the transcript allows everyone to view an accessible description.Sharing the links can improve SEO[d] or descriptive links were not well adapted and the abbreviation is confusing.Add a standard text link or wrap the infographic in a link.
  • Wednesday, March 6, 13This video shows a screen reader announcing the various transcript link options.http://www.youtube.com/watch?v=350NeoM203M
  • Sharing the infographic Otter mom and pup by mikebairdWednesday, March 6, 13Many infographics are created to promote a company, campaign, or organization. Their power increases as individuals spreadthe message by reposting the infographic.It’s easy to share an image. It’s not easy to share the extra code needed to make it accessible.iframes allow developers to place infographic and transcript on their servers and provide a simple method for sharing.photo title: This image is honored as Wikipdia Picture of the Day 28 July 2009 (Best of 3) Sea Otter (Enhydra lutris) motherwith nursing pup in the Morro Bay harbor
  • Sharing the infographic link <a href=”http://otters.com”> <img src=”otters.jpg” alt=”otter sports”> </a>Wednesday, March 6, 13
  • Using iFrames Here I am by alumrootWednesday, March 6, 13iframes allow us to easily embed content from other sites.YouTube’s use of iframes has forced blog and other publishing platforms to accept iframedcontent.iframes are sandboxes and are not affected by CSS or JS on host page.
  • <iframe  seamless="seamless"  src="http://otters.com"  title="Otter diets"  height="100"  width="600"> </iframe> Wednesday, March 6, 13The seamless attribute, not fully supported, allows iframes to expand to content and inheritstylesiframes require a title for accessibility
  • Final Sharing Recommendations • Wrap your infographic in a link that points to a page that includes the infographic and visible transcript. • Use an iframe and offer a page with visually hidden or toggled transcript.Wednesday, March 6, 13
  • More Options • HTML5 contextual menu • Display descriptive link on hover/focus • Accessible-Longdesc JavaScript • epub:describedAt, aria-describedat • Image Description Service: PoetWednesday, March 6, 13the HTML5 menu allows developers to modify the browser’s contextual menu.Accessible Longdesc takes the longdesc source and makes it navigable by any user.THe Diagram Center is researching methods to increase image descriptions within e-bookshttp://diagramcenter.org/development/poet/image-description-process.html
  • Questions I don’t trust you, otter by splityamWednesday, March 6, 13