Alt Tag Checker
Find out if your webpage contains any images that do not have alt tag attributes.
Alt tags are attributes for images to identify what the image is.
Alt tags are used for accessibility purposes as well as search engine optimisation purposes as it allows us to add a description of what the image is.
Alt tags can be added to any image using the HTML attribute of alt="". Therefore if you were writing an image in HTML, the whole lot would be written as follows:
<img src="picture.jpg" alt="Description of picture">