Sustainability of Digital Formats: Planning for Library of Congress Collections: Web ARChive File Format
Other Resources
Common Crawl: an organization with the goal of "democratizing access to web information by producing and maintaining an open repository of web crawl data that is universally accessible and analyzable."
Perma.cc: a registrar that provides persistent shortlinks for websites used for citation. Virginia Tech is a registrar. See the Perma.cc LibGuide for information on using this service. This service relies on web archived pages.
WebCite: an archiving system for webreferences (web citations) to ensure that cited references in scholarly works are always accessible