What is Accessibility?
What makes a website accessible?
- Using alt text so blind people can use their screen readers to read out what the text is about.
- Using the correct Headings so the screen reader will read out each new section correctly.
What does Chat GPT think?
Prompt: What things can make a website accessible?
Response:
Making a website accessible ensures that people with disabilities can perceive, understand, navigate, and interact with it effectively. Key factors that contribute to web accessibility include:
1. Text Alternatives (Alt Text) for Non-Text Content
- Provide alt text for images, videos, and other multimedia elements so screen readers can describe the content for visually impaired users.
2. Keyboard Navigation
- Ensure that all website functions are accessible using only the keyboard. Many users with mobility impairments or visual disabilities navigate without a mouse.
- Tabbing through interactive elements (buttons, links, forms) should be logical and easy.
3. Consistent and Clear Navigation
- Keep navigation simple and consistent across pages. Provide clear headings, landmarks, and a logical structure so screen readers can interpret the content and users can easily find their way.
4. Color Contrast
- Ensure there is enough contrast between text and background colors. This helps users with low vision or color blindness to read content more easily.
5. Readable Fonts and Text Resizing
- Use legible fonts and allow for text to be resized without breaking the layout. Avoid very small font sizes and ensure text is scalable up to 200% without loss of functionality or readability.
6. Descriptive Links
- Instead of vague links like “click here,” use descriptive link text (e.g., “Read our accessibility guide”) so users understand where the link leads.
7. Accessible Forms
- Ensure that all form fields have proper labels and instructions. Use clear error messages and allow for keyboard navigation through form elements.
8. Multimedia Accessibility
- Provide captions for videos and audio transcripts for users who are deaf or hard of hearing.
- Consider providing audio descriptions for video content.
9. Responsive Design
- Design websites to be responsive so they work well across different devices (mobile, desktop) and adapt to various screen sizes and orientations.
10. ARIA (Accessible Rich Internet Applications) Landmarks
- Use ARIA attributes to help assistive technologies identify important elements and structure on the page, like menus, buttons, and live regions.
11. Avoid Flashing or Strobing Elements
- Avoid content that flashes more than three times per second, as it can trigger seizures in individuals with photosensitive epilepsy.
12. Focus States
- Ensure that interactive elements (buttons, links, form fields) have a clear focus state (e.g., an outline or highlight) when navigated using the keyboard.
13. Error Prevention
- Provide mechanisms to prevent user errors, such as confirmation prompts, undo functions, or contextual instructions to avoid mistakes in forms and interactive tasks.
14. Text Content Structure
- Use proper headings (H1, H2, etc.) to organize content, making it easier for users and screen readers to navigate through sections of a webpage.
15. Language Settings
- Define the language of the document in the HTML, so assistive technologies like screen readers use the correct pronunciation.
Implementing these features helps meet the standards set by Web Content Accessibility Guidelines (WCAG) and ensures your website is accessible to a wide range of users, regardless of their abilities.