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Feature images don't display on the page you're updating. Instead, they appear in any promotion cards or navigation cards linking to the page.Resize the image for your page to be 818 pixels wide x 496 pixels high (keep this dimension proportional)
Before you upload an image, check your image has been resized correctly. Visit: Image ratios, sizes and component use.
Click Select images.
Browse and select your image from the ‘Library’ tab if uploading an existing image.
If you're uploading an image for the first time, click on Add image, then Choose file and browse your computer for your image.
Complete the Name field. Make the name of the file meaningful to the image, so it can be easily found using Media search. If it’s a photo of a well-known person, you should include their name and position in the title.
Complete the Alternative text field for your image. This is a description of the image for users who can’t see the image; it’s an important accessibility requirement. If the image is simply decorative, add 2 double quotes in the alt text field; this tells the screen reader to skip it.
Click Save image.
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only added if they serve a purpose (not merely decorative)
cropped and resized to the appropriate dimensions
named appropriately and descriptively
accompanied by alt text (unless descriptive).
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