The GIF image has comments in the metadata:
Arrange these
vertical trigrams to spell your clue:
A B C C E E H I L M
N O O P S S T U
E G M W N O O L D A T E E N E K M H
A I C Z W U W Z B M I L O P Y W T T
The result of that is:
The special bonus common knowledge theme at www.puzzability.com.
So we go back into
the Wayback machine again. We don't have the page from
during Hunt weekend, but we have one shortly afterward within
which we can see the answer to the special bonus common knowledge.
The answers were DOMES, SPAS, PHONE, HERE, ROMAN, DIPLOMA and the
theme was TIC, each word makes a new word when TOC is added to the
end.
The final anwer is TIC.