: OpenGraph tags and HTML5 validity I have a HTML5 based page, and I inculded the OpenGraph tags according to it's documentation. Also I checked with Facebook Debug, and it can parse the metadata.

Posted in: #Facebook #FacebookGraph #Html5 #Validation

I have a HTML5 based page, and I inculded the OpenGraph tags according to it's documentation. Also I checked with Facebook Debug, and it can parse the metadata.
But when I use W3C Validator, it reports the OG tags as error:

Attribute content not allowed on element meta at this point.
<meta property="fb:admins" content="...." />

Attribute content not allowed on element meta at this point.
<meta property="og:url" content="http://www....">

They are all in the <head>.
I would need my page be "valid" HTML5 and OG tags, as well. Could you help me giving a hint how can it be achieved?

UPDATE:
The name version also invalid: <meta name='fb:admins' content=''>

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@Ravi8258870

Ultimately this type of metadata is never going to be part of the W3C spec and is therfore never going to be seen as valid by any validation engine.

I've used name instead of property before. Facebook's validator throws a warning but still parses the data and the page then passes a w3c validation.

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: OpenGraph tags and HTML5 validity I have a HTML5 based page, and I inculded the OpenGraph tags according to it's documentation. Also I checked with Facebook Debug, and it can parse the metadata.

More posts by @Caterina187

: They always tell you things like that, it's most often an excuse, and it's the reality of shared hosting I'm afraid. In general servers get filled up with sites quickly, as performance declines,

: Blogger template shows single column when signed in I am hosting my blog on blogger.com using a custom domain. I am using one of the standard templates (Watermark) with a few extra widgets.

: Not able to track traffic on subdomain using Google Analytics I'm trying to track traffic for my sub-domain, but it's not happening. This is how it's set up. My partner has a domain called

: Am I really tracking my subdomain? This is very similar to my last question, but now I'm putting a different angle on it. Could it be that because of my DNS configuration, I'm not able to

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