Some shmocks crying foul "normal cartridge is sold me for XL! I see they are the same size". Except that (CF photos that I am about to put online) has a difference of 8 grams (further so) from one cartridge to another. So be reassured that it is indeed XL cartridges.
For the rest, nothing to say. Original HP cartridges sold cheaper than directly through the HP website selling ... but as usual, it is (in normal or XL) well below the figures announced unless print Economo -beurk