This is a library of accessibilityrelated testing and utility code. From web accessibility initiative web content accessibility guidelines wcag overview. Hiding decorative images with the artifact tag in pdf documents. However, it is not necessary to use these particular techniques. Clients often come to us looking for a new website or mobile app that is adacompliant, but not everyone is aware of exactly what it involves. For prerecorded audioonly and prerecorded videoonly media, the following are true, except when the audio or video is a media alternative for text and is clearly labeled as such. The issue of content found in pages where not expected by users could possibly be addressed by reinstating wcag 1 checkpoint. For those who do not know what to ignore, it adds quite a bit of work requiring things not necessary, adding time and cost to pdf remediation that is not required under the law. The table of contents for accessing pdf documents with assistive.
Pdf ua conformance as measured by the pac may or may not provide wcag conformance. An instruction manual containing a description of a part and its necessary orientation. Before we look into the future, lets understand the past. The techniques listed only satisfy the success criterion if all of the wcag 2. An author creates an animation that will be displayed on a screen in the entrance lounge at a company. This is one of several documents that define and explain the requirements for making webbased information and applications accessible to a wide range of people with disabilities, including blindness and low vision, deafness and hearing loss.
We looked at the capability of australias most commonly used desktop and mobile screen readers against the global standards for pdf accessibility the world wide web consortiums w3c pdf techniques for wcag 2. Although these guidelines cover a wide range of issues, they are not able to address. This graph shows reliability over time for wcag techniques in nvda, jaws and voiceover. This document does not cover techniques and best practices already addressed in wcag 2. In the case of complex information graphics, such as diagrams or organizational charts, the description in the alternative text is often not sufficient. Wcag compliance ensures that your website is accessible by everyone, irrespective of disabilities and age. If a page uses frames and the frames are appropriately titled, this is a sufficient technique for bypassing individual frames. Pdf ua1 requires the artifact tag for decorative images otherwise it is a failure.
For information on using other techniques, see understanding techniques for wcag success criteria, particularly the other techniques section. User agents for technologies such as htmlcss, pdf, and epub have. Level aa includes additional success criteria such as providing a visible focus indicator for keyboard users, and ensuring sufficient color contrast. The document includes links to some of the wcag 2 advisory sufficient techniques provided by the w3c for addressing each issue. Perceivable web content is made available to the senses sight, hearing, andor touch guideline 1. The web content accessibility guidelines are just that, guidelines. Success criterion a aa aaa message name applies to techniques.
The w3c recommends you follow them to increase accessibility of your website, but no one is enforcing them upon you. How to meet the web content accessibility guidelines 2. That brings us to the last of the four layers of wcag guidance, sufficient and advisory techniques. Your users need to find their way around your website in a sequential and meaningful order. Sufficient techniques techniques or a combination of techniques that are sufficient for meeting the success criteria. Accessibility involves a wide range of disabilities, including visual, auditory, physical, speech, cognitive, language, learning, and neurological disabilities. Accessible word, pdfs, powerpoint and excel documents. The wcag working group maintains an extensive list of web accessibility techniques and common failure cases for wcag 2. The key intended beneficiaries for text spacing are users with low vision or cognitive disabilities such as dyslexia.
In addition to section 508 requirements, hhs has policies, standards, and requirements for electronic documents that include but are not limited to the following. Technologyspecific techniques do not replace the general techniques. On june 5, 2018, the world wide web consortium w3c released an incremental 2. Beyond these techniques, developers need to conduct additional research to ensure that the content or applications. Identify the roles and responsibilities of key individuals in the wcag workflow. Sufficient techniques are sufficient to meet a particular. If techniques are used other than those listed by the working group, then some other method for establishing the technique s ability to meet the success criteria would be. The following is a quick overview that does not include details of the 38 criteria. Wcag is developed and written by the wai web accessibility initiative, a subcommittee of the w3c world wide web consortium. Modernizing pdf techniques for accessibility pdf association. We will apply the standards to native mobile applications built in xcode, android studio, react native, cordova, framework 7, etc. While wcag doesnt prescribe how each criterion must be met, it does provide examples of techniques it considers sufficient to meet the criterion, additional techniques, and occasionally common failures.
What accessibility standards apply to mobile applications. This document outlines the requirements that the web content accessibility guidelines working group wcag wg has set for the development of web content accessibility guidelines wcag 2. Read the world wide web consortiums wcag 2 at a glance information to learn more about the guidelines and how to put them into context within your courses. To view various publications of wcag, click the links below.
Request document accessibility remediation from us. The checklist from section a forward is based on the wcag 2. Techniques and failures for web content accessibility guidelines 2. A pie chart titled european parliament election, 2004 and divided into 8 wedges. These techniques provide a clear path for demonstrating that a pdf document can meet the most current accessibility standard from the w3c. Juicy studio free, a webbased tool that tests whether the contrast between a background and a foreground color is sufficient to meet wcag 2. You can find the techniques in the same documents as the success criteria. The sufficient techniques and known failures for wcag 2 dont specifically address mobile apps however sufficient techniques and failures are nonnormative information and criteria for mobile apps. This web page lists pdf techniques from techniques for wcag 2. We create and correct documents to increase access for people with a disability, especially for people who are blind or have low vision. More than one way is available to locate a web page within a set of web pages except where the web page is the result of, or a step in, a process.
W3c cautions against requiring w3cs sufficient techniques. Understanding the web content accessibility guidelines or equivalents are mandatory. Requirements for web content accessibility guidelines 2. The w3cs wcag working group also provides a growing collection of advisory nonnormative techniques to offer technologyspecific guidance, including a growing set of techniques for html, css, scripting, pdf, flash, and more. We are often asked what level of conformance a website needs to reach to be digitally accessible. Check 1 is true for each image in the document which needs a text equivalent. If they use a keyboard to navigate your website, they should be able to see which element they are on at any time. For each of the guidelines and success criteria in wcag 2. If this is a sufficient technique for a success criterion, failing this test. Wcag techniques for web content eliquo training and. It is part of a series of documents published by the w3c web accessibility initiative wai to support wcag 2. Pdf ua1 was approved and published by the iso as iso 142891. Now that the revised section 508 standards and section 255 guidelines have been published, learn how incorporating the wcag 2.
A local hair salon has created a web site to promote its services. We can apply accessibility techniques to your word, pdf and html documents. Understanding document zoom content reflow content. Most countryspecific accessibility standards are currently based on the wcag 2. This book will help you learn how to meet the web content accessibility guidelines 2. Web technologies that claim accessibility support must prove wcag 2. Is the pdf accessibility checker pac 2 sufficient to. Wcag pdf techniques this web page lists web accessibility. When it comes to application development, it is important to know what the difference is between 508, ada, and wcag, and what level of compliance you. Ross linnett, founder and ceo of recite me, looks at what public sector bodies must do in 2020 to comply with the uks digital accessibility laws.
Jan 04, 2012 the w3c has released a document on pdf techniques for wcag 2. If authors ensure that their content can be transormed to meet specific targets for text spacing, then content is likely to support other adaptations of its presentation in order to meet a. Dear wai interest group participants, a new version of how to meet wcag 2. The only thing that should be required is meeting the wcag 2. Identify the difference between sufficient techniques and advisory techniques. Jan 11, 2020 wcag sufficient techniques reliability trend.
Clockwise from the top of the chart the wedges and their percentages are pes 27%, eul 5%, other 9%, uen 4%, epp 38%, eldr 9%, edd, 2%, efa 6%. A customizable quick reference to web content accessibility guidelines wcag 2. Other screen readers dont have enough historical data yet to plot trends. Wcag is a set of principlebased rules that are widely cited in legislation and litigation as containing actionable tests that evaluate the degree to which a website, web application, document such as pdf. If this is a sufficient technique for a success criterion, failing this test procedure does. The four principles are also outlined in the course introduction. This course is currently available in another city, on demand or for private classes only. Adac101adobe acrobat pro for desktop and mobile and ewaw101wcag 2. Agencies are reminded that it is still a requirement to publish an alternative to all pdf documents preferably in html. Although guidelines exist, such as the web content accessibility guidelines 2. Wcag 2 does not specifically address mobile apps, however, the principles, and success criteria outlined in wcag 2 are relevant to mobile apps. Courses at colleges and universities are required to follow web content accessibility guidelines wcag 2.
Taking into account screen reader market share in australia, we found that the overall support for desktop was strong, but. Excerpts from the nba tape recording manual, third edition. Each numbered item in this section represents a technique or combination of techniques that the wcag working group deems sufficient for meeting this success criterion. Cutting up an image and stacking the blocks would render the content. Create a short list of guidelines that apply to you. The sufficient techniques are considered sufficient by the wcag working group to meet the success criteria. As detlev fischer stated in methodological flaws put question mark on study of the impact of wcag on user problems the studys conclusion that the sufficient techniques for sc 2. Pdfs screen reader compatibility powermapper software. Identify federal, provincial and municipal timelines and deadlines for compliance. This document outlines ten common accessibility issues i have encountered which could result in a sites failure to fully comply with wcag 2. Authors may discover a new way to address a success criteria, in a way not. Introduction understanding web accessibility course.
Providing links and link text using the link annotation and the link structure element in pdf documents important information about techniques see understanding techniques for wcag success criteria for important information about the usage of these informative techniques and how they relate to the normative wcag 2. Wcag or web content accessibility guidelines is a set of requirements that is the international system of coding standards. May 5, 1999 the first international standard for digital accessibility wcag 1. Sermons online directory ministry catalog library catalog business meeting reports forms. The first page of using accessible pdf documents with adobe reader 7. Pdf accessibility update from australian government. For an introduction to wcag, supporting technical documents, and educational material, see web. We at logic solutions are not attorneys and this blog post should not be considered legal advice. Sufficient techniques are reliable ways to meet the success criteria. These tests use conformant html or wcag sufficient techniques and might be expected to work in screen readers.
The following video by david macdonald gives you a lighter look at the wcag 2. Creation of accessible documents we implement the web content accessibility guidelines wcag 2. Contribute to w3cwcag development by creating an account on github. Under the world wide web consortium w3c, the web accessibility initiative wai developed the web content accessibility guidelines wcag 2. Like the success criteria, the information comes in the form of details for specific guidelines. The checklist below, a series of tables, is based on the content of the pdf. Any changes marked are a draft and are not approved by the dpub accessibility task force and the wcag working group general techniques. Although the normative definition and requirements for wcag 2. As stated, the pdf sufficient techniques are now available, so technically an agency can rely on pdf by using the wcag 2. Builtin browser pdf engines are used where possible. You are reading the web content accessibility guidelines wcag 2. Today 31219 is international day of people with disabilities idpwd, making it the perfect time to reflect on digital accessibility in the public sector idpwd exists to make sure that the barriers that prevent people with disabilities. You get the help from a person who has been there and done that, and you also get the opportunity to be social with a group of ladies who are right there with you. The w3c web content accessibility guidelines wcag 2.