Alternative text (alt text) is meant for readers who cannot see an image, such as blind readers and readers who use a text or mobile browser. It should summarize an image's purpose, and should not duplicate its caption. Every image should have alt text, except for purely decorative images, which should instead have "|alt=|link=".
Mario Tennis Open
The following table shows images and captions on the left, and alt text and captions on the right: the right column is what a visually impaired reader will hear. This table was computed from the copy of Mario Tennis Open cached on 19 May 2013 at 10:41.
| Image and thumbnail | Text description |
|---|---|
 | Mario Tennis Open
|
|
Mario and Yoshi playing against Luigi and Daisy in a doubles match. The player can choose to execute different shots using button-presses or by selecting them from the Nintendo 3DS touchscreen, as shown.
|
 | 7/10 stars
|
 | Wikipedia book
|
 | Portal
|
