Title: OG checker gives errors
Last modified: August 21, 2016

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# OG checker gives errors

 *  [isa_almaty](https://wordpress.org/support/users/isa_almaty/)
 * (@isa_almaty)
 * [12 years, 3 months ago](https://wordpress.org/support/topic/og-checker-gives-errors/)
 * Hi!
 * Plugin works fine with FB and G+, but fails with LinkedIn.
    I have run the OG
   checker on one of my posts [http://ogp.spypixel.com/Pogo/checker/index.php?url=http%3A%2F%2Fwww.akhmadi-invest.com%2F2014%2F01%2F20%2Ftrebovanie-prezidenta-rk-k-venchurnomu-finansirovaniyu%2F](http://ogp.spypixel.com/Pogo/checker/index.php?url=http%3A%2F%2Fwww.akhmadi-invest.com%2F2014%2F01%2F20%2Ftrebovanie-prezidenta-rk-k-venchurnomu-finansirovaniyu%2F)
   and it gave me 2 errors:
 * 1. og_namespace_undeclared Document uses but does not declare the og: namespace.
   Couldn’t find xmlns:og in the document.
 * 2. missing_required_property One or more required properties (og:title, og:type,
   og:url, og:image) are missing. Technically we are missing all properties, since
   xmlns:og is undeclared.
 * How can I fix it?
 * Waiting for your reply.
 * [http://wordpress.org/plugins/wp-open-graph/](http://wordpress.org/plugins/wp-open-graph/)

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 * 0 replies
 * 1 participant
 * Last reply from: [isa_almaty](https://wordpress.org/support/users/isa_almaty/)
 * Last activity: [12 years, 3 months ago](https://wordpress.org/support/topic/og-checker-gives-errors/)
 * Status: not resolved