Several of them use a common layout engine, but each has a unique combination of features and a potential niche.
The minimal user interface in surf, for example, does not have tabs,[4] whereas xombrero can be driven with vi-like keyboard commands.
[5] Four of the browsers compared—Lynx, w3m, Links, and ELinks—are designed for text mode, and can function in a terminal emulator.
[6] Test scores reflect the version of the browser engine in use.
Generally, a lower score indicates an older version of the browser engine.