What factors determine the speed at which a server is accessed?

Server hardware configuration (including server type, CPU, hard disk speed, memory size, network card speed, etc.)
The network environment and speed of the server
The speed of the connection between the network environment where the server is located and the Internet backbone network
ChinaNet’s international export rate
Dedicated line speed between the visitor’s ISP (Internet Access Service Provider) and ChinaNet
The port access rate
opened by the visitor's ISP (Internet Access Service Provider) to the client The configuration of the visitor’s computer, the speed of the Modem, the quality of the telephone line, etc.