Image tag <img> is an HTML language that is used to display images in webpages. Image tag will have three attributes and they are src (image source), title (image title) and Alt (alternative text for image). When you add images in your Blogger posts, img src is defined, but what about the title and alt tags.

Simply adding this<img src=”image link”/> image tag in your blog’s HTML editor will display an image, but search engine robots don’t understand what the image is about. That’s why you have to add alternative text for your Blogger images. In order to categorize and describe images to both your visitors and search bots you need to add title and alt attribute.

<a expr:href='data:post.url'><img expr:src ="data:post.firstImageUrl" expr:alt="data:post.title" width="100" height="100" /></a>

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