1. Images and Animations: Use the alt attribute to describe the function of each visual.
2. Image maps :Use the client-side map and text for hotspots.
3. Multimedia:Provide captioning and transcripts of audio and descriptions of video.
4. Hypertext links: Use text that makes sense when read out of context.
5. Graphs & charts: Summarize or use the "longdesc" attribute.
6. Scripts, applets, & plug-ins: Provide 'alternative content' in case active features are inaccessible or unsupported.
7. Page organization:Use 'headings'(h1,h2....), lists(ol,li) and consistent structure. Use 'CSS' for layout and style where possible.
8. Frames: Use the noframes element and meaningful ''titles''.
9. Tables: Make line-by-line reading sensible and summarize.
10. Check your work ,Validate. Use tools, checklist.
For more info and guidelines at http://www.w3.org/TR/WCAG
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