#Om images for mobile how to

People using speech input software: Users can put the focus onto a button or linked image with a single voice command.

People using screen readers: The text alternative can be read aloud or rendered as Braille.

Accessible images are beneficial in many situations, such as: However, images are used extensively on websites and can create major barriers when they are not accessible. They serve as cues that are used by people with visual impairments, including people with low vision, to orient themselves in the content. Images and graphics make content more pleasant and easier to understand for many people, and in particular for those with cognitive and learning disabilities. For example, the exact type and look of a bird in an image might be less relevant and described only briefly on a website about parks, but may be appropriate on a website specifically about birds. The text alternative needs to be determined by the author, depending on the usage, context, and content of an image. Also, each individually clickable area should have alternative text that describes the purpose or destination of the link.ДЇor a quick overview on deciding which category a particular image fits into, see the alt Decision Tree. Image maps: The text alternative for an image that contains multiple clickable areas should provide an overall context for the set of links. Groups of images: If multiple images convey a single piece of information, the text alternative for one image should convey the information for the entire group. However, if images of text are used, the text alternative should contain the same words as in the image.Д¬omplex images such as graphs and diagrams: To convey data or detailed information, provide a full-text equivalent of the data or information provided in the image as the text alternative. If the image is not a logo, avoid text in images. Images of text: Readable text is sometimes presented within an image. Examples of such images are a printer icon to represent the print function or a button to submit a form. The text alternative should be at least a short description conveying the essential information presented by the image.Дecorative images: Provide a null text alternative ( alt='') when the only purpose of an image is to add visual decoration to the page, rather than to convey information that is important to understanding the page.ДЇunctional images: The text alternative of an image used as a link or as a button should describe the functionality of the link or button rather than the visual image.

Informative images: Images that graphically represent concepts and information, typically pictures, photos, and illustrations.

#Om images for mobile how to

This tutorial demonstrates how to provide appropriate text alternatives based on the purpose of the image: This ensures that images can be used by people with various disabilities. Images must have text alternatives that describe the information or function represented by them. CSS Fonts CSS Transforms HTML5 MathML WAI-ARIA