The most common and most likely answer to this crossword clue is the 3 plus 4 plus 2 plus 6 letter word THE BACK OF BEYOND
I've seen this crossword clue in The Guardian
T
H
E
B
A
C
K
O
F
B
E
Y
O
N
D
More clues leading to the result THE BACK OF BEYOND
Buddy explains!
The straight part
We know that "A remote site" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a remote site = the back of beyond.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.