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To this point, you’ve heard that alternative text for graphics (or graphic links) should always be included in your web pages. Now is where you find out the exceptions to that rule. Alternative text, in the form of alt tags, is very useful in circumstances where visitors to your site are using text-only browsers, when those visitors have graphic capabilities turned off on their browser, or when they use screen readers to “read” your web pages to them. And that’s what makes alt tags so important .
However, if your web site features a lot of repetitive images, it might be redundant for you to use the same alt tag over and over again. What’s more, when you’re using graphics (like pictures and clip art) as links, visitors will quickly tire of seeing alt=”hyperlink”. Unless the graphics used on your page and in your links contain information that is vitally important to your web site, you can usually use one instance of a descriptive alt tag, and then for each repetitive picture, use an empty alt tag: alt=””.
However, if your web site features a lot of repetitive images, it might be redundant for you to use the same alt tag over and over again. What’s more, when you’re using graphics (like pictures and clip art) as links, visitors will quickly tire of seeing alt=”hyperlink”. Unless the graphics used on your page and in your links contain information that is vitally important to your web site, you can usually use one instance of a descriptive alt tag, and then for each repetitive picture, use an empty alt tag: alt=””.