3 ms·

HTML headers can include a `<link rel="canonical" …>` that points to the up-to-date URL of this item. Furthermore, outdated or invalid titles could be redirecte

by latk 13y ago

HTML headers can include a `<link rel="canonical" …>` that points to the up-to-date URL of this item. Furthermore, outdated or invalid titles could be redirected with a "301 moved permanently" to the current title.