Overview This benchmark probes atomic browser-interaction abilities across tasks. Each task targets one specific UI skill in isolation.

Correct Base 60 % of the task points + up to 40 % time bonus that decays with elapsed time.

Wrong Penalty of −0.5× the task points. If uncertain, abstain rather than guess.

Skip Early skip earns +0.1× points (calibration credit); a late skip loses 0.1× points.

Timeout Each task has its own time limit (10 s–300 s). A timeout costs −0.3× points.