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II. Cross-Cutting Strategies

II. Cross-Cutting Strategies. A Web Accessibility Primer: Usability for Everyone Office of Web Communications. Provide Labels and Structure. An organized, outline presentation makes content more accessible to everyone.

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II. Cross-Cutting Strategies

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  1. II. Cross-Cutting Strategies A Web Accessibility Primer: Usability for Everyone Office of Web Communications

  2. Provide Labels and Structure • An organized, outline presentation makes content more accessible to everyone. • Use real heading and bullet list formats so machines (screen readers) can recognize them.

  3. Color Use • Don’t use color alone to convey info. Cornell’s policy not Cornell’s policy www.vischeck.com • Use high contrast colors.

  4. Acronyms • Spell out acronyms in their first use. • Even common acronyms (e.g., CEO) should be spelled out. • Screen readers will pronounce acronyms as words if there are enough vowels.

  5. Hyperlinks • Link names should make sense out of context. • Make links and hot spots big enough to hit with limited motor ability with a mouse. “click here” … “more” … “Dr. Raj”

  6. Avoid Flickering Images • Flashing, strobing or flickering images can induce seizures in some people. • Not to mention are annoying to almost everyone.

  7. Tables

  8. Tables (continued) Use the simplest layout possible. • Label rows and columns clearly • Don’t let headers span rows or columns • Use only one level of row/column names

  9. Tables (continued) • Define sizes with percentages (%). • Not inches or cm.

  10. versus University Image Use • Use real rather than graphical text • Use images liberally – they aid comprehension. • But avoid background images. • Provide descriptive “alternative text” or “alt-text” for images.

  11. Alt-Text for Images • Screen readers read any alt-text you provide for images. • Don’t duplicate descriptions if they are already in main content. • Don’t describe images that are merely decorative.

  12. Forms • Good clarity and organization help everyone. • Need to be keyboard-only accessible (no JavaScripts that change browser location) • Organize logically: • Clear instructions • Label required elements • Line up field names with response fields

  13. Audio and Video • Always provide a text transcript for all audio. • Include captions for all audio associated with video or changing images (e.g. PowerPoint). • Synchronized • Equivalent • Accessible • Don’t describe images that are merely decorative.

  14. Text Presentation and Formatting • Use simple, familiar fonts. No cursive or rare ones. • Provide high contrast between text and background. • E.g. • Not • Use footnotes rather than endnotes.1 blue on yellow red on green 1to help keep them in context

  15. Text Presentation and Formatting • Leave large, empty margins around the text. • Use blank lines between paragraphs.

  16. Clear Writing • Use active verbs, avoid passive voice • e.g. She wrote the book not The book was written by… • Avoid the verb “to be” as main verb • e.g., He charmed the audience not He was charming • Keep sentences short and simple. • Avoid double negatives. • Organize your ideas logically, use headings.

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