Data that visitors of this site willingly provide (e.g. by submitting forms) will be saved indefinitely. It is used to render services and improve them, as well as to develop new services.
Passively provided data (browsing this site, clicking links, etc.) is logged in anonymized form. It is analyzed to gain insights into usage of this site and its services.
Data that is crawled in reaction to a visitors actions on this site (e.g. when requesting keybase.io or GitHub data) is periodically refreshed and should not be cached longer than 24 hours.