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Alt Tag for Mobile/Tablet
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I have device optimized images for desktop, tablet, and mobile. Should I put the same description, caption and alt tag for each? Not sure if this will hurt me or help?
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Hi, as long as your website is properly optimized for mobile SEO (for instance, if you use dynamic serving for the images, make sure you include the Vary-HTTP header to let Google know that you're doing that) using the same descriptions etc across all versions shouldn't cause any issues. You can also feel free to optimize each version differently if you discover (for example) that users use different search terms when searching for images on a mobile device versus a desktop.
Bear in mind these are images, so you'll want to optimize for the image content, not the target keyword of the page that the image appears on.
Hope this helps!
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Yes, You should keep same on all versions for each
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