Thread: What is Alt Tags?

The alt attribute is used in HTML and XHTML documents to specify alternative text(alt 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 tags. It is optional for the input tag and the deprecated applet tag.
The syntax of the alt attribute is:
<img alt="..."> <area alt="..."> or
<input alt="...">

ALT tags are basically image descriptions within a website. You can attach text to an image to describe it so that Search Engines can also find it. ALT descriptions help you rank higher in search engines.

Alt tags are used as alternate text for images. They are used for SEO purposes and to help a website with images get crawled and indexed faster.

Alt attribute are developed for accessibility purpose and of course we are now using it for image SEO purpose, too. It would display text contents when your images don't show correctly! Just put alt="" behind and inside img tag would be OK.

Thanks,

Alt Tag stands for alternate text.The alternate text is associated with a web page graphic and it gets displayed when the user drifts the mouse over the graphic. Alt tags convey what the graphic is for or about and contain relevant keywords

alt tag are very useful to SEO

ALT Tag optimization once was among the most effective SEO methods. Search engine optimizers tried to include their targeted keywords into the alt tag text in order to reinforce the relevancy of a webpage to get higher rankings

Alt tag (also referred to as image tag) is textual information related to a graphic image to indicate its relevancy and avoid indexing problems. The thing is that search engines don’t perceive websites the way we do. They cannot read images, that’s why it is important to use ALT tags to tell the search engine spiders what this or that picture is about. Basically an ALT tag is a name of a picture or graphic image.

Is it mandatory to give alt tag for all images in a webpage?

The HTML tags describing an image that appears when the mouse is rolled over the image on a Web page..