22 Votes

Meta Tags: What are og:title, og:type, og:url and og_image?

Question by Guest | 2014-01-29 at 11:49

From time to time, I am looking at the source codes of some websites, just to look up how the one or the other thing is implemented there and to learn a little bit.

Today, I have found in the meta tags of one web page a number of tags starting with "og:". For example, I found og:type, og:url, og:title, og:site_name, og:video and og_image. I have never heard about those tags.

Can someone tell me something about these tags and for which purpose they can be used?

1Best Answer1 Vote

The "OG" is standing for Open Graph. Open Graph was developed by Facebook to create an interface for sharing contents.

For example, if you are including the meta tags you have mentioned into your homepage and someone is sharing the link to your website on Facebook, Facebook will automatically use the specifications from og:title for the title of the link or og:image for the image next to it.

More information about this can be found on ogp.me and on developers.facebook.com/tools/debug you can test URLs.
2014-01-31 at 15:33

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