Present a consistent brand image and make your website accessible and fast.
Choose high-quality images that add value to the content.
Verify that each image conforms to your brand and your style guide.
Reduce the file size.
Choose the right file format based on the intended use and image properties.
Rename image files with a descriptive name in plain language.
Use a logical URL structure for images.
Place images near relevant text and context.
Add descriptive image alt-text.
Make sure your images are responsive.
Add images to your sitemap.