Unverified50% confidenceTradeoffExact time
DOM/Accessibility Tree-based solutions are faster and less costly, but are prone to element localization failures on dynamic pages.
1
Sources
50%
Confidence
Long-term
Relevance
9/17/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedMainstream 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.78% similarUnverified页面状态表征主要有两种实现路径：基于DOM解析和基于视觉的方式；DOM解析精确度高、token消耗少但对动态渲染页面适应性弱，视觉方式更接近人类操作但计算成本更高75% 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% similarUnverifiedDOM simplification or Accessibility Tree extraction techniques can reduce a page containing 100,000 tokens to 2,000–5,000 tokens, achieving a compression ratio of over 95%.72% similar
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