"site visiting" is a correct phrase and can be used in written English.
Example: As part of their job, the engineers conducted site visiting to assess the construction progress of the new building.
Lionel Messi, who dazzled until his Argentina team lost in the quarterfinals, spent Thursday at a Unicef site visiting orphans and homeless children still suffering the aftermath of January's earthquake in Haiti.
Valentine, Zeile and other players spent time at the site, visiting with first responders and developing some lasting connections with the families of some of those who had died.
A group of 40 from the Diamondbacks' organization, including about 15 players, made a two-hour trip yesterday to the World Trade Center site, visiting police officers, firefighters and rescue workers, signing construction helmets, police caps and firefighters' hats.
I prowled the mostly overgrown, unexcavated site, visiting ancient rock quarries and gazing down the ragged trenches left by looters.
The last inspection occurred in December 2008, when the California State Board of Veterinary Examiners came to the site, visiting only a vet clinic, rather than the entire facility.
High adherence in the current study might be due to the high level of regular contact between participants with the principal researcher physically based on site, visiting participants in their own workspace environment in order to maintain follow-up contact in the study setting.
The historic site, visited by hundreds daily, was undamaged.
If they have a web site, visit it.
The leaders of the group — Adam and three other men who wore expensive clothes and spoke a polished English — all lived off-site, visiting us once or twice a week, sometimes bringing supplies.
He warned that "class has come to consist of some listening but also plenty of emailing, shopping, news browsing and gossip-site visiting".
The sites visited included Fort Leavenworth, Kan., and Camp Pendleton, Calif.
