How to Add an External Link to Your WordPress Menu
As you probably learned already, your menu can include links to all of the “Pages” you publish from your admin dashboard. But that’s not all you can add to your menu. You can also add links to posts, category archives, and external links leading to pages on other websites.
How to Add an External Link Icon to any WordPress Menu Item
This icon is colorful because it is getting displayed as an emoji. As an emoji, this also means it gets displayed a little bit differently depending on the device your site is viewed with. You can preview how it looks on different devices here.
How To Add nofollow Links In WordPress