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The alt attribute is used in HTML and XHTML documents to specify text that is to be rendered when the element to which it is applied cannot be rendered. In HTML 4.01, the attribute is required for the img and area element types. It is optional for the input element type and the deprecated applet element type. HTML, short for Hypertext Markup Language, is the predominant markup language for web pages. ...
The Extensible HyperText Markup Language, or XHTML, is a markup language that has the same depth of expression as HTML, but also conforms to XML syntax. ...
This article does not cite any references or sources. ...
In computing, an HTML element indicates structure in an HTML document and a way of hierarchically arranging content. ...
In computer software standards and documentation, deprecation is the gradual phasing-out of a software or programming language feature. ...
An applet is a software component that runs in the context of another program, for example a web browser. ...
Alternative text is especially useful in the following situations:
In the early years of Internet development, alternative text was particularly helpful to people using text-only browsers (like Lynx). Nowadays, even when graphical capabilities are taken for granted, alternative text is still highly appreciated by users with accessibility requirements and users looking for ways to optimize their network bandwidth use. This article or section reads like an advertisement. ...
Assistive Technology (AT) is a generic term that includes assistive, adaptive, and rehabilitative devices and the process used in selecting, locating, and using them. ...
A refreshable Braille display is an electro-mechanical device for displaying Braille characters, usually by means of raising dots through holes in a flat surface. ...
A screen reader is a software application that attempts to identify and interpret what is being displayed on the screen. ...
Structure of a typical search results page Search engine optimization (SEO) is the process of improving the volume and quality of traffic to a web site from search engines via natural (organic or algorithmic) search results. ...
This article is about search engines. ...
Lynx is a text-only web browser for use on cursor-addressable, character cell terminals. ...
It has been suggested that Easy Access be merged into this article or section. ...
While the use of meaningful alt text is necessary to comply with accessibility standards, and is good practice, sometimes an image is used for purely decorative purposes. In this case, one should use an empty alt attribute (alt=""). WAI may stand for: Otaku Web Accessibility Initiative Wai (å€) is the Cantonese pronunciation of an ancient name of Japan, transcribed as Wei from Mandarin Chinese, and Wa from Japanese. ...
The alt attribute is commonly, but incorrectly, referred to as an image's "alt tag". It is not intended to provide "pop up" text or tooltips when a user's mouse hovers over the image, though alt text has historically been presented in this way in some web browsers; HTML's title attribute is intended for supplementary information that can be used in this way. (To use alt correctly and suppress the tooltip that some web browsers generate, a web author can use an empty title attribute.) The tooltip is a common graphical user interface element. ...
An example of a Web browser (Internet Explorer 7) A Web browser is a software application that enables a user to display and interact with text, images, and other information typically located on a Web page at a website on the World Wide Web or a local area network. ...
Example
<img src="Hello.png" alt="Hello!!!!!"/>
See also In computer science, longdesc is an (X)HTML attribute for the <img> (image) tag. ...
Early CAPTCHAs such as these, generated by the EZ-Gimpy program, were used on Yahoo. ...
The tooltip is a common graphical user interface element. ...
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