The Accessibility Object Model (AOM) 日本語訳 このJavaScript APIを作る努力の目的は、開発者にHTMLページのアクセシビリティツリーの変更（ついには探索まで）を許可するためである。 編集者: Alice Boxhall, Google, aboxhall@google.com James Craig, Apple, jcraig@apple.com Dominic Mazzoni, Google, dmazzoni@google.com Alexander Surkov, Mozilla, surkov.alexander@gmail.com 詳細 解説を読む 仕様を読む - 注:アップデートしていない Can I Use Chrome、Safari、Firefox のAOM対応状況 インタラクティブスライドデッキ (for Chrome)
Using CSS to Enforce Accessibility I am a big proponent of the First Rule of ARIA (don’t use ARIA). But ARIA brings a lot to the table that HTML does not, such as complex widgets and state information that HTML does not have natively. A lot of that information can be hidden to the average developer unless they are checking the accessibility inspectors across browsers or testing with a suite of scr
Switching to Android full-time - an experiment - Marco's Accessibility Blog
A few weeks ago, I decided to conduct an experiment. I wanted to determine if Android 4.2.2 “Jelly Bean” was finally ready for me to switch to full-time, away from an iPhone. Background 🔗 I’ve been an iPhone user for four years, ever since the original iPhone 3G S came out with VoiceOver support in June 2009. What Apple did back then was revolutionary, completely opening up a wealth of apps and s
Skip to main content Accessibility Jump to Section Select Statement of Accessibility HathiTrust aims to provide a website that is accessible to everyone. We meet the following web accessibility guidelines, with exceptions noted below: United States Federal Section 508 standards WCAG 2.1 at level A and AA European Union “Accessibility requirements suitable for public procurement of ICT products and
July 6, 200912 Tools To Check Your Site’s Accessibility When you design any web site, one of your first goals is to make sure you get as many visitors as you can, but have you checked the true accessibility of your site? Can a color blind person read it? Are all of your scripts cooperating? Your colors may look nice together, but is the contrast different enough that it is all legible? Well, thos
President of WebFX. Bill has over 25 years of experience in the Internet marketing industry specializing in SEO, UX, information architecture, marketing automation and more. William’s background in scientific computing and education from Shippensburg and MIT provided the foundation for MarketingCloudFX and other key research and development projects at WebFX. Testing for web accessibility (how usa
Bootstrap accessibility plugin Accessibility Plugin for Bootstrap 3 and Bootstrap 3 as SubModule Bootstrap Accessibility Plugin is an extension for the Bootstrap 3 web development framework that makes many of the components of this library accessible for keyboard and screen reader users. This plugin is available on Github under the BSD license. We hope that this extension will make it very simple
Latest Update: The state of hidden content support in 2016 As a developer and also a consultant advising developers on how to develop accessible content, it is important to have and provide up to date and practical knowledge about robust development techniques. A recent question on Stack Overflow got me thinking: What is the best method for hiding content for all users? For hiding content for some
Use aria-invalid to define invalid responses for form inputs | Yahoo! Accessibility Library
Form Validation The most difficult part of building web page forms is validation. It’s best to have some form of instant validation via CSS and/or JavaScript. You also need to validate the responses at the server level for security. There are plenty of articles on building robust JavaScript and server side validations. There’s even a YUI module for forms: The YUI 3 Form Module — Forms and Validati
Web Accessibility and Semantic Heading Structures in HTML 5
There's some ambiguity and debate around the proper use of the heading tags <h1>, <h2>, <h3>, <h4>, <h5>, <h6>, specifically with the use of sectioning elements, like <article> and <section>. The following sections should help further explain the specification, and help you understand how users using assistive technology will use and depend on your markup. The specification provides 3 valid implem
TOLL is available now! An action-thriller novel — book 2 in the KESTREL series. ★★★★★ — Amazon Ensuring that your iPhone or iPad app is accessible (in this case, to visually impaired users) is the right thing to do, and thankfully it’s very easy - in many cases, there’s no work to do at all. This article for iOS developers describes how to implement accessibility support. Update: I’ve been informe
30 Minutes or Less: The Magic of Automated Accessibility Testing
30 Minutes or Less: The Magic of Automated Accessibility Testing Marcy Sutton, Seattle, WA Accessibility Engineer, Angular Core Team Member Slides: http://marcysutton.com/jsconf2015 Accessibility is the answer to a more inclusive Web. (Pizza is also always the answer.) Accessibility Basics Alternative text Document structure & hierarchy HTML semantics Keyboard interactivity Color contrast Focus ma
CSS for Accessibility
CSS is magical stuff. In the right hands, it can transform the plainest of (well-structured) documents into a visual feast. But it’s not all fur coat and nae knickers (as my granny used to say). Here are some simple ways you can use CSS to improve the usability and accessibility of your site. Even better, no sexy visuals will be harmed by the use of these techniques. Promise. Nae knickers This is
Testing the Flipboard site on a mobile device such as an iPhone, quickly reveals that the content is not available to screen reader users. This is because the content is painted onto a canvas element using React Canvas. The words, structure and UI are all visual, there is nothing but pixels. Reading the React Canvas documentation. It states: Accessibility This area needs further exploration. Using
小さな勇気の積み重ね～コミュニティで技術同人誌を執筆する話～ / Write tech book with community member
Web Accessibility Laws & Policies
Many listings were updated in December 2023. Near the top of each country listing is a “last updated” date. We welcome additions or corrections to these listings via the submission form. This page lists governmental policies related to web accessibility, although it is not a comprehensive or definitive listing. The information on this page is not legal advice. Please consult legal authorities for
Easy Fixes to Common Accessibility Problems | Yahoo! Accessibility Library
Making a site or application accessible can seem so overwhelming that it can completely stall efforts before they begin. But sometimes simple changes can provide the necessary momentum while resulting in significant improvements for users. So, in the spirit of small things that make a big difference, here's a list of fixes for common accessibility problems. Show focus CSS reset files often suppres
Webアクセシビリティのすすめ / Web Accessibility Recommendations
イベント: https://rakus.connpass.com/event/204979/ Google Slide: https://docs.google.com/presentation/d/1URbLv9GGvcGaLf57eDpZV2uxeVB1Uub4ShUIP3ze1KM/edit?usp=sharing
Web: How to document the screen reader user experience - Accessibility, Your Team and You
User experience designers guide, How to document the screen reader user experience User experience designers are responsible for designing the user experience. Period. A visual is not enough. This doesn't ensure a good user experience (UX) for all users. Accessible design process includes documenting the non-visual UX, for screen reader users. This also helps in achieving a good user experience fo
GitHub - GoogleChrome/accessibility-developer-tools: This is a library of accessibility-related testing and utility code.
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The WAI-ARIA Windows screen reader shootout - Marco's Accessibility Blog
Firefox 3.5 has been released, and now it’s time to take a look at what features of WAI-ARIA are being supported by which Windows screen reader. Competition is healthy in this market, and two new screen readers have started supporting Firefox during the 3.5 development cycle: Dolphin’s Hal/SuperNova and Serotek’s System Access (including the free SAToGo offering). So to document the current state
Resources for web designers — XHTML, CSS, Web standards, Usability, Accessibility, Typography, Icons
Resources for web designers has been recognaized on the folowing sites:
GitHub - AccessLint/accesslint.js: Keep accessibility errors in check.
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ARIA in Gmail #2: Enhancing the Chat experience - Marco's Accessibility Blog
This post continues a series on the implementation of ARIA (Accessible Rich Internet Applications) in Gmail. On July 30, Orca team lead Willie Walker forwarded a message to the Orca mailing list titled Orca & gmail. The message is originally by Srinivas Annam, an accessibility web developer at Google. He describes a couple of enhancements that had been made to the Gmail user interface and were pus
サービス運営しながら小さくコツコツ始めるアクセシビリティ改善 / actions-for-improving-accessibility-in-backlog-ja11yc
サービス運営しながら小さくコツコツ始めるアクセシビリティ改善 / actions-for-improving-accessibility-in-backlog-ja11yc
We independently research, test, review, and recommend the best products—learn more about our process. If you buy something through our links, we may earn a commission. Accessibility of images is emphasized during web design training, but an equally important issue that is much less discussed is font accessibility. While images require alt text tags to enable the visually impaired to know what is
Apple Accessibility
VoiceOver Getting Started GuideVoiceOver is the built-in screen reader in macOS that describes aloud what’s on the screen and lets you control your Mac using gestures, a keyboard, or a braille display. Get startedThis guide explains how to use VoiceOver on your Mac, and includes lists of VoiceOver commands for easy reference. It also explains how to use VoiceOver Utility to customize VoiceOver. Vo
Apple – Accessibility – Sady
We believe that technology should be accessible to everyone — including Sady Paulson, who uses Switch Control on a Mac to share her thoughts on doing what you love. Audio Descriptions: https://apple.co/3Jlc9wN Learn more about our products and built-in accessibility features at http://www.apple.com/accessibility
The redesigned version of the Toolbar can be found at: * https://addons.mozilla.org/en-US/firefox/addon/ainspector-sidebar/ * http://ainspector.github.io NOTE: The Accessibility Evaluation Toolbar is no longer supported, since Toolbars in Firefox are depricated
It describes the important thing is to study accessibility and importance of accessibility. It was replaced modified because there was a (5,6 page except the cover) where can lead to misunderstanding 4:00 July 30, 2014.Read less
Programming an accessible Android app is not technically difficult, but is often skipped in the rush of a deadline. With the right tools, skipping accessibility is a compromise you don’t have to make. Here are some ways to help your team ensure that accessibility is added and part of testing your final product. Accessibility Scanner application Last month at the CSUN International Technology and P
Automatic infinite scrolling & accessibility » Simply Accessible
Automated infinite scrolling is a popular web design technique even though it creates difficult accessibility problems for keyboard users. Recently, while delivering an accessibility training course, the subject of infinite scrolling came up. I cringed a little. Okay, maybe a lot. And a few participants laughed. I asked why, and was told they were “working on it” for an upcoming release. Oops. Whi
Accessibility Toolbar 日本語版 バージョン
Accessibility Toolbar 日本語版 バージョン1.2 Accessibility Toolbarはオーストラリアの非営利団体National Information and Library Service (NILS), AustraliaのAccessible Information Solutions (AIS)チームが提供しているツールです。 HTMLがアクセシブルであるかを直接チェックするツールではありませんが、その様々な機能を使用してアクセシブルかどうか判断するための機能を搭載したInternet Explorer専用のツールバーです。 バージョン0.95として既に存在していたのですが、日本語版がない上にソフトウェア(IEのツールバーを作成するための専用ソフト)を使用して作成されていたために開発元自体も細かいところまでは作り込めませんでした。 そこで日本語化を持
Easy ARIA tip #3: aria-invalid and role "alert" - Marco's Accessibility Blog
I know, I know, it’s been a while since I posted my last Easy ARIA tip. But I’m hoping that this one will find you all excited and willing to play with it some more! The problem: You have a form, a contact form, for example, that you want to put some accessible error checking into. Common problems are e-mail addresses that are not valid, or a name that does not contain at least a first and a surna
You love HTML emails, don’t you? As a developer, probably not… but subscribers absolutely do. They devour them, consume them on every device known to man, and drive a hell of a lot of revenue for companies that take their email marketing seriously. But most web developers tasked with building HTML emails merely want to get them out the door as quickly as possible and move on to more interesting as
Android has a powerful built-in accessibility system that allows people to use applications through an alternative interaction mode called “focus navigation.” Rather than directly touching the screen to activate an element, focus navigation allows people who use accessibility services such as screen readers, physical switch devices, refreshable Braille displays, or voice control to focus on and ac
When should you use ARIA role=”application”? | Yahoo! Accessibility Library
ARIA roles give us much more control on defining how assistive technologies should interact with a page. The application role gives us complete control. But remember complete control can also lead to complete chaos. So how do you use this powerful role? When should it be used? Application vs. Document Before diving into the application role it’s useful to understand the difference between applicat
Accessibility Stay organized with collections Save and categorize content based on your preferences. This document set is a text-based version of part of the content covered in the Udacity course on Accessibility. Rather than a direct transcription of the video course, it is meant to be a more concise treatment of accessibility principles and practices, using the course's original content as a bas
Planning for Accessibility
A note from the editors: We’re pleased to share an excerpt from Chapter 3 (“Planning for Accessibility") of Laura Kalbag's new book, Accessibility for Everyone, available now from A Book Apart. Incorporating accessibility from the beginning is almost always easier, more effective, and less expensive than making accessibility improvements as a separate project. In fact, building accessibility into
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The Accessibility Object Model (AOM) 日本語訳
Using CSS to Enforce Accessibility
Accessibility – HathiTrust Digital Library
12 Tools To Check Your Site's Accessibility — SitePoint
10 Tools for Evaluating Web Design Accessibility
Bootstrap accessibility plugin
HTML5 Accessibility Chops: hidden and aria-hidden - TPGi
Accessibility for iPhone and iPad apps - Matt Gemmell
Flipboard - React Canvas Accessibility - TPGi
DroidKaigi 2021 触って学ぶAccessibility
Soapbox: Zelda: Tears Of The Kingdom Straight Up Fails In Just One Respect: Accessibility
An Introduction to Font Accessibility | JUST™ Creative
Firefox Accessibility Extension :: Add-ons for Firefox
アクセシビリティとは - What Accessibility
Accessibility Testing on Android
HTML Email and Accessibility | CSS-Tricks
Android accessibility debugging with Stetho
Accessibility | Articles | web.dev