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=".
Alleyway
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 Alleyway cached on 11 May 2013 at 02:51.
| Image and thumbnail | Text description |
|---|---|
 | North American box art of Alleyway
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In-game screenshot of the first stage
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A bonus stage modeled on Mario's body, as seen on the Super Game Boy
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 | Book icon
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 | Portal icon
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 | Sound-icon.svg
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 | This is a featured article. Click here for more information.
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