Tumblr Inactivity Checker
ID
idegoclkpbmijpnnldfgngfceghpfhpgShows you any inactive Tumblr blogs you're following.
اسکرین شاٹس
تفصیل
Shows you any inactive Tumblr blogs you're following.
This Tumblr extension will display any inactive blogs you're following according to the period of time you specify.