Guidelines for Web Accessibility - Priority 3

Following priority 3 will improve access for one or more groups.

3.1 Ensure that text and background have sufficient contrast for people with colour deficient vision

Explanation and help for text colour contrast

3.2 Provide text links to emulate client-side image maps

Explanation and help for redundant text equivalents for image maps

3.3 Expand the first occurrence of any abbreviation or acronym

Explanation and help for expanding abbreviations and acronyms

3.4 Identify the primary language of the document text

Explanation and help for primary natural language

3.5 Place distinguishing information at the beginning of headings, paragraphs, lists, etc.

Explanation and help for distinguishing information

3.6 Supplement text with graphic or auditory presentations where they will facilitate comprehension

Explanation and help for supplementing text

3.7 Provide summaries for tables

Explanation and help for tables and summaries

3.8 Provide abbreviations for table header labels

Explanation and help for tables and abbreviations for header labels

3.9 Identify groups of related links and provide a way to bypass them

Explanation and help for grouping related links

3.10 Provide a linear alternative for parallel, word-wrapped columns of text

Explanation and help for linear text alternatives to columns

3.11 Create a logical tab order through links, form controls, and objects

Explanation and help for logical tab order

3.12 Provide keyboard shortcuts to important links, form controls, and groups of form controls

Explanation and help for keyboard shortcuts

3.13 Separate adjacent links with non-link, printable characters surrounded by spaces

Explanation and help for adjacent links

3.14 Provide navigation bars

Explanation and help for navigation bars

3.15 If search functions are provided, enable different types of searches for different skill levels and preferences

Explanation and help for search functions

3.16 Provide information about documents comprising multiple pages

Explanation and help for document collections

3.17 Provide a means to skip over multi-line ASCII art

Explanation and help for ASCII art

3.18 Create a style of presentation that is consistent across pages

Explanation and help for consistent presentation

3.19 Include default text in form text boxes

Explanation and help for forms and placeholder characters

3.20 Provide information to enable users to receive documents according to their preferences

Explanation and help for user preferences