Una reflexión muy interesante sobre las capas de accesibilidad en Overlays Misunderstand Accessibility:
To talk about this subject, let’s start with a hypothetical. We’ll hypothesize that accessibility overlays perfectly solve all accessibility problems on a site. Let’s imagine a future world where the technology used by an accessibility overlay is able to magically transform a user’s experience on a website from a completely blocking experience to something absolutely delightful.
Yeah, it’s a long-shot hypothesis. But work with me, here.
Even in that situation, I would continue to oppose accessibility overlays, for one simple reason:
If it’s so amazing, why isn’t it sold to people with disabilities as assistive technology?
CAPTCHA systems are tests that protect websites from automated threats by checking whether the visitor is a human or a bot. However, these systems can create barriers for people with visual, auditory, or cognitive impairments, making some CAPTCHAs challenging to navigate.Despite the possible accessibility issues, the Web Content Accessibility Guidelines (WCAG) permit the use of CAPTCHAs, but only if they add certain accessible features. This ensures that security measures do not exclude users with disabilities.In this article, you’ll learn all about implementing CAPTCHA systems that are as accessible as possible. However, it’s important to remember that no matter how accessible or transparent your CAPTCHA is, it will never be perfect – valid interactions will still be marked as unwanted and bots will still be able to pierce your site’s defences.For that reason, we’ll also introduce alternative solutions that offer greater security and inclusivity, adhering to the highest standards of web accessibility to improve the experience for all users.
En Does WCAG 2.2 apply to native apps se analizan los criterios de WCAG 2.2 que se deben aplicar a las aplicaciones nativas desarrolladas con:
Nos encontraremos el viernes 8 y sábado 9 de noviembre para compartir un espacio de talleres, charlas y debates, 100% online. Se transmitirá a través de Zoom y contará con intérpretes de lengua de señas y transcripciones.
In brief: there is wide support for three different types of ‘zoom’ – available both to site visitors and (to some extent) CSS authors:
- Page zoom is the default with a handy keyboard shortcut, and roughly matches behavior of the CSS zoom property.
- Scale factor (or ‘pinch zoom’) was introduced by early versions of mobile Safari, and may only be available through trackpad or touch interfaces – roughly matching the behavior of the CSS scale transform.
- Text-only zoom is also provided by Firefox and Safari. While not directly available in CSS, the behavior is similar to changing default font size on a site that uses entirely relative text sizing with rem units.
Hypertext links, also known as hyperlinks, are the connective strands that form the web. They take us from one webpage to another, giving us access to a wide range of information, services, and experiences. However, we often forget to think about link accessibility.Links are important for individuals of all abilities, including those who depend on screen readers or keyboard navigation. When used effectively, links can improve the browsing experience for everyone. However, if overlooked, they can create obstacles that reduce accessibility and usability.
En Accessibility overlays are not for disabled people:
An accessibility overlay (or accessibility widget) is one of those wee icon-only buttons you sometimes see floating over a web page; usually in the bottom-right corner. When you press them, they give you a bunch of options to make the website ‘more accessible’.
Why did I use inverted commas? Well, they profess to make a website more accessible, but do little-to-nothing of any real use; in fact, they can actually hinder a disabled user’s experience of a website!
[...]
Accessibility overlays are for non-disabled people by non-disabled people. The only way to properly address accessibility issues is at the product development level: carefully considered designs and well written code. Adding a single line of JavaScript to your website or app is not the answer.
En 4 Reasons An Overlay Widget Will Not Solve Your Accessibility Woes se explican cuatro razones muy convincentes.
Según la tesis de maestría The Impact of Web Accessibility Overlays on the Usability and User Experience for People with Permanent Visual Impairments, realizada en el marco del Master's Programme in Digital Service Innovation de la Salzburg University of Applied Sciences, parece que las capas de accesibilidad no ayudan, sino todo lo contrario:
The research shows that accessibility overlays, in their current form, do not effectively improve the usability or UX for individuals with permanent visual impairments. Although there is a slight improvement when users are unaware of the overlay’s presence, overall, UX and usability are considered marginal at best and deteriorate upon recognition and interaction with an accessibility overlay. Furthermore, the research displays that accessibility overlays in their current form cannot meet WCAG 2.1 AA standards. The study also finds that users with permanent visual impairments are generally hesitant to engage with accessibility overlays and prefer to rely on their existing access technologies. However, they are willing to use accessibility overlays under improved conditions, which are discussed in the thesis. The empirical knowledge gained guides future technology, designs, policies, and research to create a more inclusive digital world.
La Policía Nacional ha puesto en marcha una iniciativa pionera para impulsar la accesibilidad a los servicios policiales por parte de personas pertenecientes a grupos vulnerables. En concreto, dotará en las próximas semanas a sus vehículos radiopatrullas y a las Oficinas de Denuncias y Atención al Ciudadano de un Cuaderno de Comunicación con Pictogramas para Situaciones de Emergencia. Esta publicación de uso policial, para cuya elaboración se ha contado con la colaboración del Centro Aragonés para la Comunicación Aumentativa y Alternativa –ARASAAC-, pretende facilitar la comunicación con la Policía Nacional a personas con dificultades en ese ámbito ante situaciones de crisis.La comunicación a través de pictogramas, se trata de una herramienta que facilitará las labores de comunicación de los agentes de Policía Nacional durante la atención a personas pertenecientes a grupos vulnerables y en concreto, a personas que presenten algún tipo de dificultad en la comunicación -trastornos del espectro autista, discapacidad intelectual, migrantes, turistas, personas de edad- y se encuentren en situación de emergencia o resulten ser víctimas de un hecho delictivo.
