- Or ALTernative Text Tags are HTML Tags that describe an image on a website.
- Search engines cannot understand images or text within images, so by added an ALT Tag, search engines are able to categorize them to help searchers find relevant images.
- If a browser is unable to display an image for any reason the it will typically show the ALT Tags.
- They are also useful for blind website visitors.
This is a question that I often get from SEO clients. It is often difficult to pin down the exact reason why this is happening.