Wayback Machine link: https://web.archive.org/web/20181003155924/http://collation....
The site doesn't seem to be down, and it's a university blog that can probably handle heavy traffic. On the other side, directing a lot of traffic to the Internet Archive to use it as a caching proxy is going to be burdensome.
(Better yet -- maybe high-traffic sites like HN could trigger SPN on post events to grab a copy of the page as shown so if it goes offline people can continue to view & discuss?)