Category: dai11y

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‘May be an image’: What it’s like browsing Instagram while blind

• Kait Sanchez writes about the experience of screen reader users on social media. The auto generated alt text for photos on Instagram and other sites is often poor: “two brown cats lying on a textured surface” turned out to be a woman in a wedding dress.
• Kait says that technology can’t replace the human element; a computer is never going to know you posted an image of your dog because of its hilarious quizzical expression, rather than because he is a black-and-white pitbull mix.
• Alt text hasn’t always been possible to write on social media platforms, who often play catch-up to improve their accessibility only once they gain popularity. There’s an assumption that blind people aren’t interested in visual media. But as Kait points out, culture is moulded on social networks, and it’s not fair for people to miss out on a shared social language.
• It’s easy to blame the social media users for not providing alt text, or the tech platforms for not educating them. However, content such as memes – rapidly evolving iterations of undescribed images with tiny words in weird fonts – are particularly hard to write alt text for:
  • “The funniest images rely on comedic timing through careful visual composition, prior knowledge of a specific meme, or familiarity with several different cultural references.”
  • “Writing an image description for an esoteric meme can feel like explaining internet culture to your grandparents: you suddenly don’t know how to describe what exactly made you laugh.”
• We can educate against the simpler problems though. Kent Dodds demonstrates why special characters and emojis in usernames provide a terrible experience for some social media users. “A screen reader isn’t technically incorrect if it reads a character as “mathematical bold capital,” but most sighted people will read it simply as a letter with different formatting.”

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A Deep Dive on Skipping to Content

• Paul Ratcliffe describes a “2021-friendly” implementation of a skip link. It looks something like this (note that the text is hidden visually until it is focused – I’ve omitted this from the code below):
  • <a href="#skip-link-target">Skip to main content</a>
  • <a href="#skip-link-target" id="skip-link-target">Start of main content</a><main>the content</main>
• Paul points out that the use of <main> markup means savvy screen reader users can skip straight to the main landmark. For those that rely on skip links instead, he recommends a link in the <header> which refers to a link just above the <main> (not inside it, as it would impact SEO).
• I hadn’t seen an <a> element as the target of a skip link before; Paul says this is to give users feedback that the skip link worked. If the page content is too short, the browser wouldn’t scroll and it could be difficult to show that the focus has moved otherwise.
• Susanna Celso left some comments for Paul before writing a follow-up blog post, arguing that the proposed implementation could confuse users (linking to a link that links to itself, and also stating that you’ve reached the “start of main content” when technically you’re still outside that landmark. Susanna makes the case for linking to the <main> element directly, though concedes screen readers will automatically start reading all of the text in that element, which can be an awkward experience.
• Susanna concludes that the best link target would be a <h1>, provided it’s the first element inside the <main> landmark.
• An interesting and healthy discussion between two clearly knowledgeable developers – worth reading both posts!

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What people should know BEFORE writing articles or creating products about accessibility

• Sheri Byrne-Haber writes about getting disabled users involved in your product development early on. It is possible to build a product that is technically accessible but is inefficient and unusable in practice. “You cannot retrofit lived experience”.
• Some products don’t support an intersectionality of disabilities. Sheri gives the example of an accessibility overlay that offered profiles for motion sensitivity, and for vision loss, but not for both at the same time.
• Language is important when it comes to writing about accessibility. Terms that are out of favour include “suffering”, “wheelchair bound”, “high / low functioning”, stigmatizing the individuals being labelled and “conveying nothing about the strengths that individual might possess”.
• Sheri bemoans the use of “headcounts” to make disability inclusion decisions. “How many people is this going to benefit?” is irrelevant; accessibility is a civil right.
• Sheri ends with this: “Accessibility is a program, not a project”. If you work from a checklist, or are working to an end date, that is a warning sign.

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It is time to ditch the title “Evangelist” from Accessibility

• Ronise Nepomuceno explains why she hates the term ‘Accessibility Evangelist’:
  • It reinforces the idea that accessibility is a ‘nice to have’ that can be deprioritised
  • It has its roots in tech in the 1980’s, when Apple put together a team to ‘evangelise’ developers to develop for the Macintosh platform without the financial incentive compared with their competitor IBM. Ronise feels this is exploitative.
  • It has religious connotations: “they think we are coming for them, to judge for their sins and condemn them all to eternity in Hell”.
  • “It is also essential to respect the boundaries between Digital Accessibility and Disability Rights. They are two different things”.
  • Ronise points out that the term is applied in other parts of tech, e.g. “Cloud Evangelist”.

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Twitter’s new design to get fix after headache complaints

• BBC article from 16th August. Highlights:
  • “Twitter is making changes to its new redesign, after users complained of headaches and discomfort.”
  • “Unveiled only last week, the redesign mainly involved high-contrast colours and a custom-designed font, Chirp.”
  • Its aim was to “improve content consumption and clean up ‘visual clutter’. But many, especially with accessibility needs, found it confusing, hard to read and uncomfortably bright.”
  • Users have reported the font being smaller and denser, so are having to strain their eyes more to read.
• Twitter Accessibility have confirmed that fixes are on the way.

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Writing great alt text: Emotion matters

• Jake Archibald describes how he was trying to decide what alt text to use for his avatar, which would appear alongside his name, in a list of conference speakers. His (and my) instinct was that it should be nullified (alt="") because it would otherwise be repeating information elsewhere in the page.
• However, in his avatar, Jake is pulling a pose and aiming to inject a bit of humour. It’s not right that screen reader users miss out on that context. So Jake opted for the following alt text: “Jake, cheekily peering from behind a plant”.
• Léonie Watson has written about this in her blog post, Text descriptions and emotion rich images. Context matters. Developers sometimes worry that descriptive alt text will make the page too ‘noisy’, but as Léonie points out, screen reader users will skip over large swathes of the page in the same way as sighted users would.
• This seems to be a bit of a trending topic at the moment; I recently covered a similar article by Eric Bailey which concludes that most images nowadays are not purely ‘decorative’ and do require alt text.
• Jake adds that “if you’re trying to do the right thing, you’re almost certainly improving the experience for real people”. Most of the time, your alt text won’t be worse than no alt text at all.

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A day in the life: What it’s like to travel through an airport and on a plane as a wheelchair user

• An interesting read about just what a wheelchair user goes through on a typical flight. These users must be transferred into a narrow aisle chair (designed to be able to fit in the aisle of the plane) and then transferred into an airplane seat. Their wheelchair is put in the hold.
• Going through security is difficult as the wheelchair makes the metal detector check redundant, so these passengers have to have a pat-down, which can slow the process down considerably. TSA PreCheck is an option for American fliers to skip the security check.
• In May, Gabrielle deFiebre travelled from New York to Phoenix on a Delta flight. Her wheelchair was damaged by employees in an incident recorded in a now-viral video. In 2019, airlines damaged more than 10,000 wheelchairs. All Wheels Up is an organisation advocating for allowing wheelchair users to be able to stay in their own wheelchairs during flight.
• deFiebre doesn’t eat or drink much at all on flights, knowing the difficulties of transferring into the aisle chair and then into the cramped airplane bathroom.

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Move the pointer using head pointer on Mac

• This is a macOS user guide for how to enable the ‘head pointer’ on your Mac, using your built-in camera to follow your head movement and move your cursor. I was pointed to this via Stefan’s Web Weekly newsletter.
• It’s quite effective and worth experimenting turning it on to get a feel for what it is like. You may need to adjust the pointer speed as otherwise the cursor may not move enough in sync with your head.

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Tech platform devises new system to simplify process of booking rail travel for disabled travellers

• Whoosh Media have created a system, “The Real-Time Journey Dashboard”, that allows you to scan QR codes on your train seat, to view information such as location of toilets on the train, as well as a live dashboard demonstrating journey progress and delays.
• “Travelling by train is very often a hazardous lottery for wheelchair users and those with restricted mobility, simply because rail companies have failed to keep up with the way people research their journeys.”
• The article above is light on details – I found more information at Onboard Hospitality:
  • Currently found on Northern Rail and Grand Central Rail, with more operators to follow in the coming months.
  • The system is currently receiving around 1500 scans per day.
  • The system can also be used to report antisocial behaviour to the British Transport Police.
  • The system is not an app, though it’s not clear what it is. Presumably it’s just a website that gets loaded via the QR code.

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New in ARIA 1.2: ARIA IDL attributes

• Scott O’Hara writes about the new ARIA IDL (Interface Definition Language) attributes, allowing you to set element attributes succinctly in JavaScript via foo.role = 'checkbox' and foo.ariaChecked = false. Until now, we’ve had to use setAttribute, i.e. foo.setAttribute('aria-checked', 'false').
• This is supported in all Chromium browsers, but currently not in Firefox.
• It’s not yet possible to set attributes in this way if they take multiple IDREFs. For example, aria-labelledby="id1 id2 id3" has no new corresponding IDL attribute yet.

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