What is the limit of character to use in alt="text" according to WCAG 2.0?

css xhtml accessibility w3c wcag
Jitendra Vyas picture Jitendra Vyas · Nov 17, 2009 · Viewed 13.1k times · Source

What is the limit of character to use in alt="text" according to WCAG 2.0?

Answer

Jason Smith picture Jason Smith · Nov 17, 2009

there is no limit explicitly set, but conventionally they are limited to 1024 chars. I believe that I have heard that the search engines will go no further than about 200 characters. What is the use case? There is a longdesc attribute that may be of interest...

http://www.w3.org/TR/REC-html40/struct/objects.html#adef-longdesc-IMG

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