4qrcode.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute for the “style” element is not needed and should be omitted.
The first occurrence of ID “index” was here.
The first occurrence of ID “scan” was here.
The first occurrence of ID “contact” was here.
The “form” role is unnecessary for element “form”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “collapse-gradient” was here.
The first occurrence of ID “headingThree” was here.
Errors:
Bad value “images\lang\English.svg” for attribute “src” on element “img”: Backslash ("\") used as path segment delimiter.
Duplicate ID “index”.
Duplicate ID “scan”.
Duplicate ID “contact”.
Text not allowed in element “select” in this context.
Attribute “foe” not allowed on element “label” at this point.
Duplicate ID “collapse-gradient”.
Duplicate ID “headingThree”.
End tag “br”.
CSS: “colo”: Property “colo” doesn't exist.
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