Clueless here. What sort of “personal archiving” are you talking about? Like Evernote? I’ve only ever used archive.ph to facilitate sharing articles without worrying about links changing (looking at you, BBC).
For example if you want to save a web page you're browsing, or a whole website, in a way that is a bit more reliable than hitting ctrl+s; and then want to search through those etc.
Web archival is a very, very complex and deep topic. If you're interested in it, the archiveteam's wiki is a good resource. Start here, I think:
Web archival is a very, very complex and deep topic. If you're interested in it, the archiveteam's wiki is a good resource. Start here, I think:
https://wiki.archiveteam.org/index.php/Introduction
https://wiki.archiveteam.org/index.php/Software
https://wiki.archiveteam.org/index.php/The_WARC_Ecosystem