Written by the AX4E accessibility team. Checked against the primary sources listed at the end of this page (W3C, U.S. Department of Justice, ISO and others). Last reviewed November 4, 2026. Read how we write and review guides in our editorial standards.
Accessibility is about people using your website, app or document with the tools they rely on every day. These guides explain how that works and what to do about it, without the jargon. Each one is checked against primary sources and dated, so you know how current it is.
Start here
What is digital accessibility?
Who it is for, what "accessible" really means and why it is a business issue, not just a legal one.
FoundationsAssistive technology, explained
Screen readers, magnifiers, voice control and switch access, and what each needs from your site.
BusinessAccessibility for businesses
ADA Title III, selling into Europe, selling to government and what buyers now ask for.
Documents and PDFs
PDF remediation
What it is, how the work is done, what drives cost and how to keep it from piling up again.
PDFsHow to make a PDF accessible
A step-by-step method, from the source document to a tagged, tested PDF.
PDFsPDF/UA vs WCAG
Two standards, one document. How they fit together and which one your buyers will ask about.
Testing and tools
Accessibility scanning
What automated scans find, what they miss and how to read a scan report without panicking.
ToolsAccessibility widgets, honestly
What a toolbar can do for visitors, what it cannot do for compliance and how to choose one.
StandardsWCAG 2.2: what changed
The nine new success criteria, the one that was removed and what they mean in practice.
Public sector?
If you are a school district, city, county or other public entity, the specific legal requirements and deadlines under the ADA Title II web rule are covered in depth at TitleII.org. These guides focus on the practical work that sits underneath any requirement.
How we write these
Every guide is written by the AX4E team, checked against primary sources such as the W3C, the U.S. Department of Justice and ISO, and dated with its last review. Read our editorial standards or learn more about AX4E.
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