Which texts does the robot use for image search?
The text for the alt attribute for the img tag
The alt attribute is an alternative source of information for users who have image display disabled in their browser. If the alt attribute has been determined, the attribute text will be displayed when it's not possible to display the image:
Without a set alt attribute, the image will be shown as empty:
A description of images using the alt attribute is especially important for sites whose content consists predominantly of images.
You can set the alt attribute in the following way:
Not all of the site's or page's keyword phrases should be written in the alt attribute, only the ones that really describe the image. This will help the robot to more accurately find an image, while also helping a Yandex user to select it in search results and go to your site.
The text for the title attribute for the img tag
The title attribute presents additional information about the image. The text included in this attribute appears when hovering your mouse over the image:
You can set the title attribute like this:
If the image is a link, then it's better to show the title attribute in the link:
The following texts are used when searching for images in addition to the alt and title attribute values:
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