Smallest to Largest Site
Burrow > Hideaway > Refuge > Rally Point > Den > Yard > Port > Hub > Haven > Sanctum

Easiest to Hardest Site
Hidden > Forsaken > Forlorn

DAMAGE TYPES

Damage done by:
Guristas = kinetic/thermal
serpentis = thermal/kinetic
blood raider = thermal/em
sansha's = em/thermal
angel's = expl/kin
minmatar = expl/kin
ammar navy = em/thermal
mordu's legion = em/thermal/kinetic
mercenaries = kinetic/thermal (commander with
em/therm)
Caldary navy - Kinetic & Thermal
Gallente - Kinetic & Thermal
Khanid - EM & Thermal
Mercenary - EM & Thermal & Kin
Sansha - EM & Thermal

Main Damage type to shoot at the enemy:
Guristas - Kinetic
Serpentis - Thermal
Mordus - Thermal & Kinetic
Blood - Thermal
Sansha - Thermal
Angel - Explosive
Mercenary - Thermal