I've found the cdx search feature of archive.org incredibly helpful to quickly find functioning pages (status code 200) and to see all contents that has been captured under a certain domain or page. For example, you can make a query using Linus's google+ page as the URL parameter with an asterisk as a wildcard[2]. This allows you to see all the captured content from Linus's Google+ profile, including individual posts
1: https://web.archive.org/web/20190331095744/https://plus.goog...
2: https://web.archive.org/cdx/search/cdx?url=https://plus.goog...