What is ALT tag?

The Alt tag is a simple HTML tag which is used to better describe the image to the search engine.
 
Alt text is an important yet occasionally overlooked part of making a site accessible to all users.
It is a simple bit of HTML code that essentially describes an image that appears on a webpage so that the user still knows what the image represents if they are visually impaired or if the picture simply doesn’t display correctly.
The alternative attribute can be input within the ‘alt text’ or ‘alt tag’ of the image element and the exact wording used depends on the context of the image as much as the content itself.
An additional benefit is that it provides a semantic description of images for search engines. This can attract additional traffic through Google Images and has a positive impact on SEO.
 
This is a complete HTML image tag:
<img src=“image.jpg” alt=“image description” title=“image tooltip”>
The alt text describes what’s on the image and the function of the image on the page.The alt tag is used by screen readers, the browsers used by blind and visually impaired people, to tell them what is on the image.It can be useful but in most cases, leaving it out shouldn’t be much of an issue.
 
The term "ALT tag" may be a common shorthand term accustomed sit down with the elevation attribute at intervals within the IMG tag. Any time you utilize a picture, make certain to incorporate associate elevation tag or elevation text at intervals the IMG tag. Doing thus can give a transparent text different of the image for screen reader users.
 
Note: The term "ALT tag" is a common shorthand term used to refer to the ALT attribute within in the IMG tag. Any time you use an image, be sure to include an ALT tag or ALT text within the IMG tag. Doing so will provide a clear text alternative of the image for screen reader users.
 
Alt tag is also known as “Alt attribute” and “Alt description” is an HTML attribute applied to image tags to provide a text alternative for search engines. Adding Alt tags on images such as product photos can positively impact on e commerce stores search engine ranking.
 
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