What is headless mode execution?

ImageJ2 scripts are designed to operate independently of user interface —including headless, with no user interface. This is made easy with the use of script parameters.

Headless testing is when you run a UI-based browser test without showing the browser UI . It’s running a test or running a script against a browser but without the browser, UI starting up.

…the DevTools Protocol: the standard protocol used to expose Chrome functionality up to various development-oriented tools. headless: running without a graphical user interface .

A headless browser is a web browser without a graphical user interface. Headless browsers provide automated control of a web page in an environment similar to popular web browsers, but they are executed via a command-line interface or using network communication .