Why are image alt tags important?
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An alt tag, also known as “alt attribute” and “alt description,” is an HTML attribute applied to image tags to provide a text alternative for search engines. Applying images to alt tags such as product photos can positively impact an ecommerce store’s search engine rankings.
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Google states: If you do decide to use an image as a link, filling out its alt text helps Google understand more about the page you’re linking to.
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Alt tags will be displayed in place of an image if an image file cannot be loaded.
Alt tags provide better image context/descriptions to search engine crawlers, helping them to index an image properly.