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Open graph protocol
2022-07-05 04:01:00 【crayon-shin-chan】
file :The Open Graph protocol
1. brief introduction
Open Graph The protocol enables any web page to become a rich object in the social graph .
This is in Facebook It is used to allow any web page to have Facebook The same function as any other object on .
2. Basic metadata
To turn a web page into a graphic object , You need to add basic metadata to the page .
This is based on RDFa The initial version of the protocol , This will place additional <meta> label .
The four required attributes of each page are :
- og:title: The title of the object should appear in the diagram , for example “The Rock”.
- og:type: Type of object , Such as “video.movie”. According to the type specified , Other attributes may be required .
- og:image: The image that should represent your object in the diagram URL.
- og:url: Object specification URL, Will be used in the drawing as its permanent ID
<html prefix="o
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