Errors:
No space between attributes.
Duplicate attribute “–”.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “koch” not allowed on element “meta” at this point.
Attribute “media” not allowed on element “meta” at this point.
Attribute “-” not allowed on element “meta” at this point.
Attribute “no.” not allowed on element “meta” at this point.
Attribute “1” not allowed on element “meta” at this point.
Attribute “european” not allowed on element “meta” at this point.
Attribute “publishing” not allowed on element “meta” at this point.
Attribute “partner” not allowed on element “meta” at this point.
Attribute “|” not allowed on element “meta” at this point.
Attribute “games” not allowed on element “meta” at this point.
Attribute “–” not allowed on element “meta” at this point.
Attribute “film” not allowed on element “meta” at this point.
Attribute “software"” not allowed on element “meta” at this point.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “us_US” for attribute “hreflang” on element “link”: The language subtag “us_us” is not a valid language subtag.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
No “p” element in scope but a “p” end tag seen.
Duplicate ID “menu-main-navigation”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Attribute “-” is not serializable as XML 1.0.
Attribute “1” is not serializable as XML 1.0.
Attribute “|” is not serializable as XML 1.0.
Attribute “–” is not serializable as XML 1.0.
Attribute “software"” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The first occurrence of ID “menu-main-navigation” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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