WCAG Principles

Understandable

Content and navigation must be understandable to users. This includes using clear and concise language, providing predictable and consistent navigation, and helping users avoid and correct mistakes.

Implementing the Principles

Making a Website Understandable

People must be able to understand the information as well as the operation of the user interface. The content or operation cannot be beyond their understanding. According to the WCAG this includes items such as:

• Making text content readable and understandable
• Using menus and and navigation in a consistent manner
• Helping users avoid and correct mistakes
• Labeling elements and giving instructions

Examples of Understandable Website

• The Metropolitan Transportation Authority‘s website search function offers relevant results even with spelling errors or incorrect formats. For instance, mistyped addresses prompt suggested corrections, ensuring users easily access the information they need.

• Wikipedia‘s website effectively utilizes a table of contents to streamline browsing across its vast array of over six million English pages. Users can easily navigate through related pages via clickable sections, enhancing the overall browsing experience.