Unverified50% confidenceSolutionExact time
Mainstream strategies for reducing browser agent action spaces include pruning the DOM tree, replacing full HTML with the accessibility tree, and numbering elements and having the model output the corresponding numbers.
1
Sources
50%
Confidence
Long-term
Relevance
9/17/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedDOM/Accessibility Tree-based solutions are faster and less costly, but are prone to element localization failures on dynamic pages.78% similarUnverifiedCompared to the raw HTML DOM, the Accessibility tree filters out a large amount of purely visual style information and retains semantically interactive elements, reducing token consumption while improving Agent perception accuracy.74% similarUnverifiedPage state compression strategies for browser agents include selective DOM pruning, accessibility tree serialization, and screenshot + Vision Language Model (VLM) multimodal approaches.73% similarUnverifiedThe accessibility tree is a semantic tree structure built by the browser based on the DOM; it strips away visual style information and retains semantic information such as the role, name, state, and properties of each element.71% similarUnverifiedCSS动画可在合成线程运行，减少主线程负担71% similar
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