Yoast SEO
[Plugin: WordPress SEO by Yoast] facebook opengraph validation error (5 posts)

  1. jen697
    Posted 4 years ago #


    I have installed the WordPress SEO plugin in a clean and valid wordpress site used for testing. When I installed it, I saw the following HTML5 validation error:

    Attribute xmlns:og not allowed here.
    <html dir="ltr" lang="en-US" xmlns:og="http://opengraphprotocol.org/schema/">

    I can remove the error by unchecking the box for "Add OpenGraph meta data" in the Social settings. My question is: is there a way to remove this error while still leaving the box checked? Can anyone provide more insight into the error?



  2. Katsumi
    Posted 4 years ago #

    I just got the same problem. Annoying because its the sole validation error i've got...

  3. Rian Rietveld
    Posted 4 years ago #

    Hi jen697,
    Same problem here but in the breadcrumbs, but i unchecked the Add OpenGraph meta data in the Social tab and the validation error still exists.

    Attribute xmlns:v not allowed here.
    …s:v="http://rdf.data-vocabulary.org/#"><span typeof="v:Breadcrumb"><a href="ht…

    Kind regards,

  4. Andrew Hewatt
    Posted 4 years ago #

    Hey Folks, it looks like thomask posted a few things to try for resolving certain validation issues.

    Check it out: sitemap autodiscovery & validation problems

    - Andrew

  5. jen697
    Posted 4 years ago #

    Thanks Andrew! I hadn't seen that post; I'll check it out :)

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