: Alt attribute for thumbnail image that links to the original file I have a wallpaper gallery page that displays small thumbnails, when clicked it opens the original full size image for a user

@Annie201

To implement your task, I recommend that you use structured data markup as ImageObject, for example:

<div class="thumb" itemscope itemtype="http://schema.org/ImageObject">
<a href="images/wallpaper.jpg" itemprop="contentUrl">
<figure>
<figcaption itemprop="caption">The large image</figcaption>
<img src="images/wallpaper-small.jpg"itemprop="thumbnail" alt= The thumbnail of large of the same image>
</figure>
</a>
</div>


Installing a link without text information about its content is a bad solution. So I added this to your code. You can play with the attributes of this class yourself. Be sure to check your result on the Google tester.

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@Sent6035632

No. The alt tag is just for a textual description of the image. It can be used by screenreaders for visually impaired people or as image metadata by web crawlers.

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