Search results
Results From The WOW.Com Content Network
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 text is intended for visually impaired readers. Often the caption or article will describe the image adequately, and where this is the case you can write alt=caption or alt=see adjacent text. If additional alt text is added, it should be a succinct description that complies with the content policies; see WP:ALT for more
The actual alt text for the displayed image will be one of the following, in order of preference: The explicitly requested Alt, if any; The explicitly requested Caption, if the image type has no visible caption; The empty string, if there is an explicitly requested Caption and the image type has a visible caption. The image file name if there ...
If Wikipedia and Wikimedia Commons both have an image with the specified name, the Wikipedia version is the one that will appear in the article. thumb is required in most cases; alt=A white dog in a harness playfully nuzzles a young boy. Alt text is meant for those who cannot see the image; unlike the caption, it summarizes the image's appearance.
The alt text for an imagemap region is always the same as its title text; the alt text for the overall image is given in the first line of the imagemap's markup. The underlying image's native dimensions are 3916 × 1980, and the coordinates are given in these dimensions rather than in the 300px resizing.
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.