Many years ago, every website URL started with www. Then came a move to drop the www to help speed up the web (by eliminating those four characters, I guess). Then the www became fashionable again, and in some cases, it boosted performance by allowing CDNs properly to cache website content.
Now, we seem to be swinging back to dropping the www. I poked around and found that these websites have dropped the www:
Does anyone know if this is a “thing” or just a preference?