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A acessibilidade no desenvolvimento da Web significa habilitar o maior número possível de pessoas para usar sites da Web, mesmo quando as habilidades dessas pessoas são limitadas de alguma forma. Aqui, fornecemos informações sobre o desenvolvimento de conteúdo para serem acessíveis.
" A acessibilidade é mais usada para descrever instalações ou amenidades para ajudar as pessoas com deficiência, como em 'acessível para cadeiras de rodas'. Isso pode se estender a sinalização de Braille, rampas para cadeiras de rodas, sinais de áudio em passagens para pedestres, contornos de passarelas, design de sites, e assim por diante ." Entrada da Wikipédia para 'Acessibilidade'
"A Web é fundamentalmente projetada para trabalhar para todas as pessoas, seja qual for seu hardware, software, idioma, cultura, localização ou habilidade física ou mental. Quando a Web atende esse objetivo, é acessível para pessoas com uma diversidade de audiência, movimento, visão e capacidade cognitiva ." W3C - Acessibilidade (inglês)
The MDN Accessibility Learning Area contains modern, up-to-date tutorials covering accessibility essentials:
- What is accessibility?
- This article starts off the module with a good look at what accessibility actually is — this includes what groups of people we need to consider and why, what tools different people use to interact with the Web, and how we can make accessibility part of our web development workflow.
- HTML: A good basis for accessibility
- A great deal of web content can be made accessible just by making sure the correct HTML elements are used for the correct purpose at all times. This article looks in detail at how HTML can be used to ensure maximum accessibility.
- WAI-ARIA basics
- Accessible multimedia
- Another category of content that can create accessibility problems is multimedia — video, audio, and image content need to be given proper textual alternatives so they can be understood by assistive technologies and their users. This article shows how.
- Mobile accessibility
- With web access on mobile devices being so popular, and popular platforms such as iOS and Android having fully-fledged accessibility tools, it is important to consider the accessibility of your web content on these platforms. This article looks at mobile-specific accessibility considerations.
- Understanding the Web Content Accessibility Guidelines
This set of articles provides quick explanations to help you understand the steps that need to be taken to conform to the recommendations outlined in the W3C Web Content Accessibility Guidelines 2.0 (WCAG 2.0 or just WCAG, for the purposes of this writing).
- Until now, web developers who want to make their styled <div> and <span> based widgets have lacked the proper techniques. Keyboard accessibility is part of the minimum accessibility requirements which a developer should be aware of.
- A collection of articles to learn how to use ARIA to make your HTML documents more accessible.
- Assistive technology (AT) development
- A collection of articles intended for AT developers
- Mobile accessibility checklist
- This document provides a concise checklist of accessibility requirements for mobile app developers.
- Cognitive accessibility
- When creating web content, be aware of how you can ensure that it is accessible to people cognitive impairments.
- Accessibility for seizure disorders
- Some types of visual web content can induce seizures in people with certain brain disorders. Understand the types of content that can be problematic, and find tools and strategies to help you avoid them.