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  1. #1
    Forensic SEO Consultant Webnauts's Avatar
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    limit for the length of the alt attribute

    Does anyone have an evidence based source, such as study or so ever, about how many characters including spaces can an "Alt" tag have? So far I remember; 150?

  2. #2
    gingham dress, army boots... silver trophy redux's Avatar
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    if i remember correctly (and sorry, no, haven't got the link off-hand to prove it) the "theoretical" limit for alt is infinte, but as far as accessibility is concerned, screenreaders such as JAWS only read out the first 60 or so characters. again, i'll need to hunt the resource down, so i may or may not be right on this one...
    re·dux (adj.): brought back; returned. used postpositively
    [latin : re-, re- + dux, leader; see duke.]
    WaSP Accessibility Task Force Member
    splintered.co.uk | photographia.co.uk | redux.deviantart.com

  3. #3
    Forensic SEO Consultant Webnauts's Avatar
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    Quote Originally Posted by redux
    if i remember correctly (and sorry, no, haven't got the link off-hand to prove it) the "theoretical" limit for alt is infinte, but as far as accessibility is concerned, screenreaders such as JAWS only read out the first 60 or so characters. again, i'll need to hunt the resource down, so i may or may not be right on this one...
    Thanks redux! I hope you can dig that resource out.

  4. #4
    Forensic SEO Consultant Webnauts's Avatar
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    Accessibility Garage - Support for Website Accessibility

    Alt tags

    The practical conclusion is an alt texts should be 50 characters or shorter, if feasible.

    More: http://www.cs.tut.fi/~jkorpela/html/alt.html#length


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