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I am implementing Opengraph tags into my site and must I use the namespaces provided by Facebook? I am a bit confused as I have seen a couple different things here is an example they give. Must I use this exactly?

xmlns:og="http://ogp.me/ns#"
xmlns:fb="http://www.facebook.com/2008/fbml">

Or I need to use only the first?

L84
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  • Very related to this question, answered by FB stuff: http://stackoverflow.com/questions/8235687/open-graph-namespace-declaration-html-with-xmlns-or-head-prefix – lulalala Nov 07 '12 at 04:12

1 Answers1

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You only need the Facebook namespace if you are going to use Facebook specific tags, like fb:admins, etc. Otherwise, you can use just the og namespace.

Nick Q.
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  • Thanks, is it a big deal to leave both in there even if I do not use both all the time? Does that make sense? – L84 Nov 07 '11 at 18:50
  • It's not a big deal at all to leave both in. You're just letting the XML interpreter know that you [may be using these namespaces](http://www.w3schools.com/xml/xml_namespaces.asp). – Nick Q. Nov 07 '11 at 18:53
  • Thanks for the help and specifying! – L84 Nov 07 '11 at 18:56