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open graph协议
2022-07-05 04:00:00 【crayon-shin-chan】
1.简介
Open Graph 协议使任何网页都可以成为社交图中的丰富对象。
这在 Facebook 上用于允许任何网页具有与 Facebook 上的任何其他对象相同的功能。
2.基本元数据
要将网页变成图形对象,需要将基本元数据添加到页面。
这基于 RDFa协议的初始版本,这将在网页中放置额外的<meta>标签。
每个页面的四个必需属性是:
- og:title:对象的标题应出现在图表中,例如“The Rock”。
- og:type:对象的类型,如“video.movie”。根据指定的类型,可能还需要其他属性。
- og:image:应在图表中代表您的对象的图像 URL。
- og:url:对象的规范 URL,将在图中用作其永久 ID
<html prefix="o
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