Board Thread:Current Major Glitch Discussion/@comment-34708890-20181113033542/@comment-30544675-20181113150014

She is referring to another website where you can look at your friends list.

http://ssmaniacs.php.xdomain.jp/ProfileViewer.en.html

The Profile Viewer shows the Frozen player name. The Last Update time stamp is the last successful update of the friend's profile to the server. Look at that, and consider whether they have gifted and/or visited since then to determine whether they are currently frozen.