Validations Errors

Checking the validation on page

https://www.lawmirror.com/search.php?passed=&searchterm=witness+to+agreement+to+sell+&sel=headnote&court=0



It is showing the extended Meta tags are errors:

such as:

<meta name="og:type" content="website" />

Syntax of metadata name:
A metadata name listed in the HTML specification
<http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#standard-metadata-names>
or listed in the WHATWG wiki
<http://wiki.whatwg.org/wiki/MetaExtensions>. *You can register
metadata names on the WHATWG wiki
<http://wiki.whatwg.org/wiki/MetaExtensions>yourself.*

<meta name="og:image" content="https://www.lawmirror.com/images/logo.jpg" />

Syntax of metadata name: A metadata name listed in the HTML
specification<http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#standard-metadata-names>
or
listed in the WHATWG wiki <http://wiki.whatwg.org/wiki/MetaExtensions>. *You
can register metadata names on the WHATWG
wiki<http://wiki.whatwg.org/wiki/MetaExtensions>
yourself.*


Kindly resolve the problem.



Regards,
Vineet Gupta
M/s.Cee Emm Infotech
LawMirror.com - Web Admin
+91 98720 10605