The AES algorithm is widely used today, whether it’s for encrypting a connection to a website, encrypting data on your hard drive, or storing passwords in your favorite password manager. It has been battle-tested for many decades and is still recommended as one of the most secure algorithms. In this article, I explain how AES encryption works and how the algorithm is implemented.
The author says almost exactly the same thing at the end. Maybe it should have been at the beginning.