Is work site one word

Answer 1

Yes, campsite (a camp location) is one word, also used hyphenated as camp-site.

Answer 2

Yes, but it is hyphenated off-site.

Answer 3

Apple and Google both calls theirs a "Site Map".

Wikipedia acknowledges both as correct, but their page title on the topic uses two words.

Answer 4

Yes, campsite (a camp location) is one word, also used hyphenated as camp-site.