Google's John Mueller said on Twitter that text within an image's alt attribute is generally seen as text "as a part of the page where the image is embedded." If that text is within an H1 tag, then ...

You can check if an image has alt text by turning on a screen-reader and selecting the picture to hear how it's described. You can also inspect the HTML of the image ...

Google's John Mueller said that having different languages on the same page "makes it harder to determine which language is the primary language of a page." You don't want to make it harder for Google ...

Editor’s Note: Mueller clarified his earlier comments in response to a reader question on Twitter on March 26, adding that “Google sees alt-text as a part of the page (you can search for it and find ...

Alt text is a short written description of an image that describes the appearance, content and/or function of an image. Screen readers read the alt text aloud to website visitors, allowing them to ...