Yandex on LJ being as unpredictable as it is, one enterprising nonny, whose DW handle is Memebridge, created the Completely Unofficial FFA Search. Originally it was at dememe.info. However, on March 29, 2015, Dememe Nonny announced that they'd moved the index to http://ffarchive.info.
As before, the User ID is either "nonny" or "nonnie," and the password is "pony". For now, the index goes back to the beginning of 2013.
One nonny later asserted that despite the change of domain name,
It will always be Dememe to me. I reject the new-fangled name.
(I don't reject Dememe nonnie though, because they are awesome squared)
On June 27, 2013, Dememe Nonny provided us with some vital statistics, including a graph of thread length: