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Open graph protocol

2022-07-05 04:01:00 【crayon-shin-chan】

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 .

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