Anything published on the Internet stays there ?. Even if you delete something or take it down, it cannot be ?

Answer 1

completely erased. While deleting or removing content can make it more difficult to find, it is still possible for it to be accessed or retrieved through various means such as cached copies, archives, or screenshots. It is important to be mindful of what is posted online as once it is out there, it can be difficult to fully erase.