Unverified50% confidenceFactExact time
现代SaaS平台可通过设备指纹技术采集屏幕分辨率、GPU渲染特征、字体列表、时区等数十个参数生成唯一标识，即使清除Cookie或更换IP也能识别同一设备
1
Sources
50%
Confidence
Long-term
Relevance
8/29/2026
First Seen
Sources
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