Errors:
Attribute “charset” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
Attribute “http_equiv” not allowed on element “meta” at this point.
Bad value “data:;base64,=” for attribute “href” on element “link”: Base 64 padding in a bad position.
Bad value “none” for attribute “media” on element “link”: Media query ended prematurely.
CSS: “max-height”: Too many values or values are not recognized.
CSS: “max-width”: Too many values or values are not recognized.
CSS: “background”: “/” is an incorrect operator.
CSS: too few values for the property “width”
CSS: “letter-spacing”: “letter-spacing-s” is not a “letter-spacing” value.
CSS: “-ms-grid-columns”: Parse Error.
End tag “path” did not match the name of the current open element (“svg”).
Stray end tag “path”.
Duplicate ID “Shape”.
Element “img” is missing required attribute “src”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
Empty heading.
The first occurrence of ID “Shape” was here.
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