Visitor is synonymous with unique visitor, which is a website evaluation term, meaning that a person visits the website at least once in a period of time. If the same person visits a website three times in a month, the evaluation system will record three visits, but there is only one visitor. Visitors are usually divided into online visitors and field visitors. 1. Online visitors mainly refer to online visitors to websites, blogs, forums and spaces on the Internet. 2. Foreign visitors mainly refer to guests, relatives, friends, business friends, etc. Who visits at home, as well as customers from business clubs, business exchanges and other places, or business partners and other personnel.