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Many templates, like {}, have parameters for specifying alt text. For images that link to their description page (most images on Wikipedia), the alt parameter should not be blank, nor should the alt parameter be absent. A screen reader will default to reading out the image filename when no alt text is available.
The alt attribute is the HTML attribute used in HTML and XHTML documents to specify alternative text (alt text) that is to be displayed in place of an element that cannot be rendered. The alt attribute is used for short descriptions, with longer descriptions using the longdesc attribute .
Alternative text (or alt text) is text associated with an image that serves the same purpose and conveys the same essential information as the image. [1] In situations where the image is not available to the reader, perhaps because they have turned off images in their web browser or are using a screen reader due to a visual impairment, the alternative text ensures that no information or ...
The page is titled "Alternative text for images". The focus should be on alt text examples and how to properly write alt text, not on what alt text sounds like in screen readers, and I disagree that they were difficult to apply, the more examples you have to learn from the easier it is, at least for me. -- œ ™ 22:26, 31 December 2010 (UTC)
On pages with infobox images (see Christian Conventions infobox at the top as an example), the image from the infobox does show a tooltip with the alt text in IE8, while the other images in the article, which all have alt text, show nothing. A few days ago, IE8 with the option to expand alt text enabled, was showing text for all images.
Otherwise, (if the image type is unspecified or is "frameless"), this text is used for the link title provided the link has not been suppressed with "|link=", and also for the alt text provided an explicit alt=Alt has not been supplied. The actual alt text for the displayed image will be one of the following, in order of preference:
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For example, the character é (Small e with acute accent, HTML entity code é) can be obtained by pressing Alt+1 3 0. First press the Alt key (and keep it depressed) with your left hand, then press the digit keys 1 , 3 , 0 , in sequence, one by one, in the right-side numeric keypad part of the keyboard, then release the Alt key.