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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 ...
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.
A text-based web browser such as Lynx will display the alt text instead of the image (or will display the value attribute if the image is a clickable button). [13] A graphical browser typically will display only the image, and will display the alt text only if the user views the image's properties, or has configured the browser not to display ...
alt=Alt Use Alt as the alt text for the image. Caption (the last option that is not recognised as some other part of the image syntax): How this text is used depends on the image type. When the type has a visible caption ("thumbnail", "thumb", "frame" or "framed") then this text appears as a caption below the image.
Do not use symbols that will not be read out loud such as ♥ (a heart symbol), or symbols which may be read incorrectly such as – (which may be read as "dash" instead of "minus"); instead, use images with appropriate alt= text. [1] Symbols that cause problems for screen readers may already have templates created to produce an image and alt text.
Alt text for people whose vision of the image is impaired (see WP:ALT). Either image or imagemap: valid image filename a or valid X/HTML imagemap: Specify either image or imagemap, but not both. width: positive integer – Total width (in pixels) of the box containing the image and annotations. Must be at least as large as the image's displayed ...
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- No, WP:ALT is saying every image must have an alt text and it must be fluffed up to convey the images essence or significance, and that is how it is being applied at WP:FAC. Under WP:PRIMARY , an unpublished source cannot be used to source anything, and any text cannot go beyond the limits of what its source says, or shows.