Accessibility (WCAG)
Conversion & UXAlso: Web Accessibility · WCAG Compliance · Digital Accessibility
Quick definition
Accessibility, often measured against the Web Content Accessibility Guidelines (WCAG), is the practice of building websites that people with disabilities can use. That includes screen reader users, people with low vision, motor impairments and cognitive differences. WCAG sets the technical bar most legal and industry standards point to.
How it varies across Australia
Most Australian business sites fail multiple WCAG checks on their homepage alone, commonly around colour contrast, missing alt text and keyboard navigation. Ecommerce and finance sites carry the highest legal exposure given transaction volume and the Disability Discrimination Act.
See digital maturity benchmarks across Australian industries →The four principles WCAG is built on
Content must be presentable in ways users can perceive, such as alt text for images and captions for video.
Interface elements must work with a keyboard alone, not just a mouse or touch.
Text and navigation must be predictable and easy to follow, including clear error messages.
Content must work reliably with assistive technology like screen readers, now and as tech changes.
What it actually means
Picture trying to order a coffee through a shopfront with no door handle, just a smooth panel you're meant to push. Some people manage. Most give up and walk to the next café. That's what an inaccessible website does to a meaningful slice of your visitors.
WCAG organises requirements into three conformance levels: A, AA and AAA, each stricter than the last. AA is the level referenced by most legislation and industry standards worldwide, including in Australia. It covers things like colour contrast ratios, alt text on images, keyboard navigation and clear form error messages.
Marketers tend to treat accessibility as a legal or engineering problem, separate from conversion-rate optimisation (CRO) and user experience (UX) work. That's a mistake. The same fixes that make a site usable for someone with low vision (better contrast, larger tap targets, clearer call-to-action labels) also lift conversion rate for everyone else. Accessibility overlaps heavily with good bounce rate and good landing page design. It's rarely a separate project once you look closely.
Accessibility is not a checklist you bolt on before launch. It's a design constraint that, done properly, makes the site better for everyone.
How it shows up
Accessibility shows up in automated scanner reports flagging missing alt text, poor contrast ratios and unlabelled form fields. It shows up in manual testing when someone tries to complete a checkout using only a keyboard and can't reach the submit button. It shows up in complaints, in legal letters, and in silence, the customers who never told you they left because they couldn't use the site.
The Australian context
Australia's Disability Discrimination Act 1992 has been used successfully against inaccessible websites, most notably the 2000 Maguire v SOCOG case involving the Sydney Olympics site. Since then, WCAG AA has become the de facto standard referenced in government tenders and increasingly in corporate procurement. Australian government sites are required to meet WCAG 2.1 AA. Private businesses face real but less codified legal risk, mostly through complaints to the Australian Human Rights Commission.
Where people get this wrong
Related terms
Common questions
What is WCAG and who sets it?
The Web Content Accessibility Guidelines (WCAG) are published by the World Wide Web Consortium (W3C). They're the internationally recognised standard for web accessibility, organised into three levels, A, AA and AAA, with AA being the common legal and industry benchmark.
Is web accessibility a legal requirement in Australia?
Government websites must meet WCAG 2.1 AA. Private businesses aren't bound by a specific technical standard but can be found in breach of the Disability Discrimination Act if their site excludes people with disabilities, as established in past Human Rights Commission cases.
Does fixing accessibility issues improve conversion rate?
Often, yes. Clearer contrast, larger tap targets and better form labelling reduce friction for all users, not just those with disabilities. Many accessibility fixes double as straightforward conversion-rate optimisation.
How do I check if my site is accessible?
Start with an automated scanner for the obvious issues, then test manually with a keyboard only and with a screen reader like NVDA or VoiceOver. Automated tools miss most navigation and logic problems that only manual testing reveals.
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About New Rebellion
New Rebellion is a marketing intelligence consultancy. We build tools, score Australian businesses on how their marketing actually performs, and publish Debrief every day. This dictionary is part of how we work in the open.
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