Web Content Accessibility Guidelines (WCAG) 2.1

Public bodies should achieve AA level conformance with the latest WCAG guidelines.

Tools

The Centre of Excellence in Universal Design (CEUD) provides guidance on web accessibility for developers, designers and content creators/editors in Guidance for Online Public Services

World Wide Web Consortium (W3C) provides a list of web accessibility evaluation tools

Make text easy to read and understand

Always use the simplest and clearest language possible. Avoid technical language that a member of the public may not understand. If you must use technical language, clearly explain what it means in plain English.