|Web Content Accessibility Guidelines (WCAG)||2008 — WCAG 2.0|
2018 — WCAG 2.1
2022 — WCAG 2.2 (TBC)
|International standard||Web content|
|Authoring Tool Accessibility Guidelines (ATAG)||2015 (ATAG 2.0)||International standard||Web content creation|
|AS EN 301 549:2020 Accessibility requirements for ICT products and services||2020|
Update expected in 2023 after WCAG 2.2 released
|Australian Standard (adopted from EU standard)||Web, software, documents, hardware|
Information technology – Development of user interface accessibility; Part 1: Code of practice for creating accessible ICT products and services
Expected to be adopted in Australia as AS ISO/IEC 30071-1 in later 2022
|ISO standard||Application of accessibility standards|
WCAG is the international standard for web accessibility and is applicable to design, development and written content. Much of its guidance can be extended beyond the web to software, documents and digital interfaces. The current release is WCAG 2.1 from June 2018; WCAG 2.2 which builds on WCAG 2.0 and WCAG 2.1 is expected in the second half of 2022.
WCAG 2.1 comprises:
WCAG 2 is supported by:
Whereas WCAG helps identify accessibility defects, ATAG helps avoid them in the first place.
ATAG Part A specifies what needs to be done to make authoring tools themselves accessible.
ATAG Part B outlines how authoring tools can support authors to produce accessible content by:
Accessibility requirements for ICT products and services
AS EN 301 549 – Accessibility Requirements for ICT Products and Services – is an Australian standard adopted directly from the European EN 301 549 by Standards Australia.
The standard has a list of ‘functional performance statements’ that explain the functionality needed to enable users with different disabilities to locate, identify and operate the functions in ICT. The user needs underlying the functional performance statements are the basis for the requirements in specific product criteria. The disabilities considered include
vision, including colour perception
manipulation, strength, and reach
photosensitive triggered seizures
limited cognition, language, or learning
Privacy is also mentioned to ensure the ICT maintains the privacy of users of these features at the same level as other users.
The testable criteria focus on the way that information can be presented, viewed, or interacted with start with. The criteria start with a set of generic requirements and then include specific testable criteria for:
hardware and software
technologies with two-way voice communication
technologies that allow videos to be played
documentation and non-web documents
technologies that provide access to emergency services
Accessibility requirements for websites and web content leverage the Web Content Accessibility Guidelines, explicitly stating WCAG 2.1 Level AA (including Level A) as the benchmark for AS EN 301 459:2020. Where it’s appropriate, relevant WCAG criteria have been applied to other technologies, such as hardware, and software and documents. Additional criteria have also been specified for some categories such as hardware, e.g. kiosks, to meet the functionality required by different disabilities.
AS EN 301 549 is expected to be updated in 2023 following the expected release of WCAG 2.2 in December 2022.
ISO/IEC 30071-1:2019 has been published as a direct adoption Australian Standard by Standards Australia.
It is a process-oriented standard enabling organisations to embed accessibility considerations into their “business as usual” processes. It does this by combining guidance on implementing the accessibility of ICT systems (ICT accessibility) both at organizational and system development levels. The document gives guidelines for building and maintaining ICT systems (including products and services) that are accessible to diverse users (including users with disabilities and older people). From the abstract:
It gives requirements and recommendations for organizations:
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