Google Likes It: When You Use Keywords in Image Alt Tags

An ‘alt tag’ is another little element in the code of a website (and a field you can easily fill out when you add an image in WordPress), that tells a search engine what the image is. It also can be used to describe any particular image to someone who is blind and browsing the internet with a screen reader. For the purposes of SEO – there are certain things you can do to make an image more likely to earn you traffic from search results on Google.