专业术语:Universal Resource Locator (URL)
Simply put, this is the address of a web page on the world wide web. It is also known as the Uniform Resource Locator. More specifically, this is a global address of documents or resources on the internet. It is made up of two elements separated by a colon and two forward slashes. The first part of an address is called the protocol identifier, described below. The second part is the resource name: the IP address or domain name where the resource is located (e.g., www.benchmarkemail.com). The protocol identifier determines what protocol to use. For example, a protocol identifier may be in HTTP or FTP. HTTP (HyperText Transfer Protocol) defines how web servers and browsers respond to commands. When you enter a URL in your browser, the HTTP directs the web server to pull up the requested web page. FTP stands for File Transfer Protocol.
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