Image Alt tag in SEO

An alt tag, also known as "alt attribute" and "alt description," is an HTML attribute applied to image tags to provide a text alternative for search engines. Applying images to alt tags such as product photos can positively impact an ecommerce store's search engine rankings.

What is Alt Text

Alt text (alternative text), also known as "alt attributes", “alt descriptions", or technically incorrectly as "alt tags,” are used within an HTML code to describe the appearance and function of an image on a page.

Alt text uses:

1. Adding alternative text to photos is first and foremost a principle of web accessibility. Visually impaired users using screen readers will be read an alt attribute to better understand an on-page image.

2. Alt text will be displayed in place of an image if an image file cannot be loaded.

3. Alt text provide better image context/descriptions to search engine crawlers, helping them to index an image properly.

Alt Text Example : <img src="pupdanceparty.gif" alt="Puppies dancing">