transactions should be near instant, are you sure you are 0n 0.6.25?
http://nembex.nem.ninja/ for blocks, but it is lagging a bit
nembex is ALWAYS 10 blocks behind.
Also more importantly - DO NOT trust nembex, it's there as a help tool not as a reference point.
BLOCKCHAIN
IS reference point.
P.S. I'll probably post less and less here, and more and more on the forum.