Unverified50% confidenceFactExact time
Open Graph 协议是 Facebook 在 2010 年推出的元数据标准，通过在 HTML head 中添加 meta 标签定义页面的标题、描述、图片等结构化信息
1
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50%
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Long-term
Relevance
8/14/2026
First Seen
Sources
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