An ALT tag is an alternative text that describes an image. They are important for usability, accessibility, and SEO. If an image cannot be displayed or does not load, alt tags can help visitors to understand what should be displayed. ALT tags are also used for screen readers for the visually impaired. ALT tags also help search engines decipher images, which can increase your chances of ranking in the image search.

The left hand column in the report below lists the pages on your website that contain images without ALT tags. Work through the list and add ALT tags to the image in the source code of the website, or through your content management system. You can download the list and pass it on your technical or content team.Learn more about this in our wiki and product insights.