Tabs with icons

1. What are the icons on tabs called?
2. How do I add icons to my browser tab?

What are the icons on tabs called?

A favicon is a small, 16x16 pixel icon used on web browsers to represent a website or a web page. Short for “favorite icon,”' favicons are commonly displayed on tabs at the top of a web browser,—but they're also found on your browser's bookmark bar, history and in search results, alongside the page url.

How do I add icons to my browser tab?

To add a favicon to your website, either save your favicon image to the root directory of your webserver, or create a folder in the root directory called images, and save your favicon image in this folder. A common name for a favicon image is "favicon.ico".