3 ms·
Some estimates here: https://en.wikipedia.org/wiki/Link_rot https://en.wikipedia.org/wiki/Link_rot -- the most recent listed study (2017) estimates a half life
by momack2 7y ago
Some estimates here: https://en.wikipedia.org/wiki/Link_rot https://en.wikipedia.org/wiki/Link_rot -- the most recent listed study (2017) estimates a half life of ~2 years for an average link on Yahoo.