![]() Alt text of an image should be short and to the point. Alt text should accurately present the same content and function as is presented in the image. Nonetheless, there are tips to follow in writing good alt text: Writing great alt text takes time and practice. While sighted users can enjoy the imagery of the cute hamster, non-sighted users will need descriptive alt text to enjoy this image. ![]() The image shows a hamster sitting on a swing. The second example ( Example 2) is another image that requires alt text. An example of good alt text for this image would be: Without the alt text, a user who cannot see the image will be at a disadvantage for they will be unable to understand the image and the meaning behind the image. The image displays a turtle eating a strawberry in the grass. The example below ( Example 1) is an image that should have alt text. This will ensure that assistive technologies skip over the image and that no accessibility-testing applications signal an error if the alt text is not provided for these images. NOTE: For images that do not need alt text it is recommended that the alt text attribute is null ( Alt=””). ![]() If the image description is within the content of the page, the alt text attribute should be null ( Alt=””). Images with the text description within the content of the page do not require alt text.If a caption is present, the alt text attribute should be null ( Alt=””). Captions are text descriptions for an image that are displayed on the page, thus allowing sighted and non-sighted users information about the image. Images that have a caption do not need alt text.If a decorative image is present, the alt text attribute should be null ( Alt=””). Decorative images are considered images that are used for layout and do not present important content. Images that serve for decoration only.How do you know if an image needs alt text?Īn image requires alt text if it conveys important information.
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