
Go-http-client
Go is a programming language made at Google and released in 2009. It is good at doing many network jobs at once, so it is widely used for servers and internet tools: Docker and Kubernetes, which run much of the world's cloud computing, are written in it.
“Go-http-client” is the name Go gives a program automatically when it fetches a web page. To give it any other name, the programmer has to set one on purpose. Many don't: a quick script someone runs once doesn't need one, and a program that visits millions of sites, such as a scanner, may prefer not to say whose it is. So a visit under this name is a program written in Go, and nothing more is known about it.