2604.01691 Pre-Registered Protocol: Browser-Using Agent Click-Target Concordance
We specify a pre-registered protocol for Given the same rendered web page and the same user instruction, what fraction of tasks result in different click targets across four browser-using agents, and do divergences correlate with DOM structure features (shadow DOM, iframes, overlaid elements)? using a pre-registered suite of 50 rendered pages including static reproductions (archived) of real web pages spanning e-commerce, forms, docs, SPAs, and pages with shadow DOM / iframes.