Errors:
Attribute “xmlns:article” not allowed here.
Attribute “xmlns:book” not allowed here.
Attribute “xmlns:product” not allowed here.
Attribute “xmlns:profile” not allowed here.
Attribute “xmlns:video” not allowed here.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
Bad value “create” for attribute “rel” on element “link”: The string “create” is not a registered keyword.
Bad value “menu” for attribute “role” on element “aside”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “Symbols”.
Duplicate ID “Path-2”.
Duplicate ID “Layer_1”.
Attribute “about” not allowed on element “article” at this point.
Attribute “content” not allowed on element “span” at this point.
Element “h6” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Saw a “form” start tag, but there was already an active “form” element. Nested forms are not allowed. Ignoring the tag.
Stray end tag “form”.
Duplicate ID “block-subscribe”.
Duplicate ID “subscribe-form”.
Duplicate ID “edit-email”.
Duplicate ID “edit-email--description”.
Duplicate ID “edit-actions”.
Duplicate ID “edit-submit”.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Warnings:
Attribute with the local name “xmlns:article” is not serializable as XML 1.0.
Attribute with the local name “xmlns:book” is not serializable as XML 1.0.
Attribute with the local name “xmlns:product” is not serializable as XML 1.0.
Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.
Attribute with the local name “xmlns:video” is not serializable as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “Symbols” was here.
The first occurrence of ID “Path-2” was here.
The first occurrence of ID “Layer_1” was here.
The “main” role is unnecessary for element “main”.
The “article” role is unnecessary for element “article”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “block-subscribe” was here.
The first occurrence of ID “subscribe-form” was here.
The first occurrence of ID “edit-email” was here.
The first occurrence of ID “edit-email--description” was here.
The first occurrence of ID “edit-actions” was here.
The first occurrence of ID “edit-submit” was here.
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