Blessedbeyondadoubt.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
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 “” for attribute “for” on element “label”: An ID must not be the empty string.
Saw “=” when expecting an attribute name. Probable cause: Attribute name missing.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Bad value “ if (this.value == ” for attribute “onfocus” on element “input”: syntax error
Attribute “=""” not allowed on element “input” at this point.
Bad value “if (this.value == ” for attribute “onblur” on element “input”: syntax error
Attribute “this.value” not allowed on element “input” at this point.
The “center” element is obsolete. Use CSS instead.
Bad value “true” for attribute “async” on element “script”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Attribute “=""” is not serializable as XML 1.0.
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