Google says images styled with CSS won’t be indexed in Image Search, advising developers to use HTML tags for important ...

Format Of HTML Attributes HTML attributes consist of a name and a value. For example, when defining an image, the name “src” is used and the value is the file name of the image.

For example, since the HTMLEditorKit class is located in javax.swing.text.html, it will attempt to load the broken image image-failed.gif from javax.swing.text.html.icons.