Headless browsers are a web browser without a graphical user interface that can be

controlled from a command line interface for the purpose of web page automation (e.g.,

functional testing, scraping, unit testing, etc.). Think of headless browsers as a browser that

you can run from the command line that can retrieve and traverse web pages.

 

The most common headless browsers are:

PhantomJS

slimerjs

trifleJS

basic usage：