Unverified50% confidenceFactExact time
早期视觉回归测试工具如PhantomCSS、Wraith通过无头浏览器截图比对实现功能，但受渲染引擎差异和抗锯齿等因素影响误报率较高
1
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50%
Confidence
Long-term
Relevance
8/27/2026
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