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Mía Salazar
Mía Salazar

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The digital gap: Accessibility and the elderly

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During T3chFest 2023 I attended a wonderful talk about the digital gar and the elderly and it gave me a lot to think about. I was researching this topic and the more I read, the more interesting it seemed to me. After doing a lot of research, I have drawn a series of interesting conclusions and, to add my two cents, I am going to present them here.

The needs of older people

Older people have a series of age-related needs and we must take them into account when creating our projects. We can divide these deficiencies into 4 groups:

  • Visual: This segment of the population may have difficulties reading due to problems with color and contrast perception, or font size, among others.
  • Hearing: Older people may have obstacles when it comes to hearing since they may not be able to separate different sounds and high-pitched sounds.
  • Cognitive: These deficiencies include difficulty concentrating and short-term memory problems.
  • Physical: The digital gap can also be seen in this aspect, since these people may not be able to handle the mouse, due to their reduced dexterity and motor skills.

POUR: Accessibility principles

The WCAG (Web Content Accessibility Guidelines) establishes 4 basic principles that are the pillars of accessibility. These are:

  • Perceptible: That the information is perceptible by the senses.
  • Operable: That can be navigable and operable.
  • Understandable: Make the platform understandable to people.
  • Robustness: That it can be interpreted by different agents and assistive technologies.

Taking into account these 4 principles, we can divide what we should take into account for elderly people based on them.

Perceptible

  • Make sure the font is not too small.
  • Use fonts that are legible and avoid italics, as it is more difficult to read.
  • There must be sufficient color contrast between text and background.
  • Avoid aligning the text to the center, as it makes it difficult to read.
  • Do not rely only on color to provide information.
  • If your platform has some type of multimedia content, add transcriptions, and subtitles for those people who cannot hear well.
  • If you use CAPTCHAs, add an alternative version. Some CAPTCHAs have low contrast or are difficult to see.

Operable

  • The texts of the links must be very clear, so they can know their purpose.
  • Add a title to each page so they can orient themselves better, and include a breadcrumb.
  • Make sure the spotlight is visible so they can know where they are and make the site keyboard operable.
  • Insert informative labels to the inputs so they know exactly what you need.
  • If the platform has content that moves or flashes, allow them to stop it.
  • Provide enough time for people to do what they need or to extend time limits.

Understandable

  • Give your platform an understandable order and use simple and understandable language.
  • Create a coherent and simple navigation menu.
  • Avoid modals or content opening in a new tab: It can be confusing.
  • Do not make changes to the pages without warning, it could go unnoticed by the person.
  • Provides clear information to avoid mistakes, and delivers precise feedback so that they can easily correct the error they have made.

Operable

  • Ensure the compatibility of your project. They may be using an older computer or a less modern version of the browser.

More information

https://www.w3.org/WAI/older-users/developing/

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