Disclaimer: I'm not a lawyer.
Exactly, I can't recall what I read on copyrights in that regards but from what I remember it's important that it stays related to the publish date of the webpage.
Not quite sure about content updates on the webpage itself, but I guess it would also be a case allowing a copyright year update.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.