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I use the metadata of The Open Graph Protocol for sharing social networks, in particular Facebook.
<meta property="og:image" content="http://example.com/ogp.jpg" />
<meta property="og:image:secure_url" content="https://secure.example.com/ogp.jpg" />
<meta property="og:image:type" content="image/jpeg" />
<meta property="og:image:width" content="400" />
<meta property="og:image:height" content="300" />
Until then I do not define the image size property="og:image:height"
, but in the Debugger from Facebook says it is recommended to set the image size. Do you have any idea what the ideal size for this image is? Is there any documentation that explains?