Reader Attributes for Supported File Types describes the attributes that you can specify for the image readers. When you are reading images, include the FORMAT= attribute in the method if any of the ...

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 ...

Google's John Mueller clarified in yesterday's webmaster hangout video that while Google does look and read the alternative image attribute (alt tag) for use on web search, it plays a small role there ...

Alt text is an HTML image attribute. It allows you to create an alternative text version of your image if it cannot load or has an accessibility issue. Because of its importance to Google Image Search ...