Not sure what's used in the search, but weapons used to be listed with a calculated Efficiency and Offhand Efficiency (if it could be offhanded). You can find the formula they used here:
https://everquest.allakhazam.com/itemhelp.html EDIT: Found an old post that answered this, at least at that time, I haven't used weapon comparison search for a long time: Alla's Weapon Ratio = Delay / Damage So that very low numbers (<1) are extremely high DPS weapons.
Yther Ore.
Edited, Dec 30th 2009 6:40am by Yther