Alt text is generally a phrase or short sentence that forms the content of the alt attribute. It is contained within the quotation marks. This simple idea has great power. The wrong or inadequate alt text can make your web site inaccessible to people with disabilities.
Alternative text, sometimes called alt text, is a method of providing equivalent text for non-text elements, such as images, objects, and applets. W3C® has recommended that alt text be no longer than 150 characters.
The use of alt text with images enables web browsers to display text during image downloads for users who have graphics turned off and for users who rely on screen-reading software to convert screen graphics to spoken words. Example img src = "my-image.gif" alt = "my image"
Alt text should be added to all images on a Web page. Alt text provides an alternative text description of the image when it is not displayed (eg when images are disabled in the browser settings or the user is using a text-only browser). Alt text should be short and to the point.
Alternative text is placed in the code for an image or object embedded in an HTML page. Alternative text should be displayed by a browser when the image or object, for whatever reason, is not downloaded or displayed.
Alternative Text” in the source of most graphic images on websites, which shows up as the image is being loaded in the browser, and in the placeholder block if viewers choose not to display images. Also, in Internet Explorer, the ALT-attribute shows up as you roll-over a graphic image.
Text description of a graphic that appears before the graphic is loaded into the browser. After an image has been downloaded on the browser, the alt text may briefly appear over the graphic as you rollover the mouse over the graphic.
The text you sometimes see before an image appears on a Web page (or before an image is fully loaded, or when the image is missing). This is important as search engines can't see any image, but they can see the alt text description. Some web designers make the mistake of using this as a navigational aid, as some browsers display the alt text when the mouse pointer hovers about it, however other browsers do not. This results in the search engines seeing images of 'Click for Special offers' rather than 'BMW 3 series'.[Go Back
A text description that can be associated with an image. Alt text is displayed when the pointer is moved over an image. Alt text is also displayed in browsers that have images turned off and is read by screen reader software.
Colloquial name for the HTML alt attribute of the img element. This is the way in which HTML allows web authors to specify a text alternative for each image present on a web page - and if omitted or inappropriately provided, can cause screen reader users significant problems.
Text provided with an image as an alternative to viewing the actual image. It will appear before the image is fully loaded, if your visitor has their graphics turned off, and if your visitor positions their mouse on the image. Alt text is also important because search engine spiders often read it. The code for alt text is as follows: .
The alt attribute is used to provide text which can be displayed as an alternative to an image or embedded object on a web page. Alt text is read when the image or embedded object is not usable by the user agent.
Short descriptive text associated with an image that displays to users when the cursor is placed over the image. Alt text is helpful for users whose browsers do not display images. You can specify Alt text when you add an image to your page.
ALT text is the words which appear on your screen when you place your cursor on top of a picture. For search engine optimization purposes, there may be some slight advantage in placing appropriate key phrases in the ALT text. Don't overdo it.
On a Web page, a text description that can be added to the HTML tag that displays an image. The ALT text is displayed by the browser when the cursor is moved over the picture. If pictures are turned off in the browser, the ALT text is automatically displayed instead. Source: TechWeb.com
an alt attribute allows descriptive text to be attached to certain objects on a web page written in HTML (usually these objects are images), not only providing visual clues as to the purpose of said objects, but also providing a description that can be read out by a screen reader so that a person with visual impairment can know the nature of such objects too.