Added on 1 七月 2014
SEO Glossary – Alt Attribute
SEO Glossary 詞彙表現在只提供英文版
Blind people and most major search engines are not able to easily distinguish what is in an image. Using an image alt attribute allows you to help screen readers and search engines understand the function of an image by providing a text equivalent for the object.
<img src=”http://www.webtimedia.com/images/whammy.gif” height=”140″ width=”120″ alt=”Press Your Luck Whammy.” />