Arobase.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Duplicate attribute “prefix”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
End tag “div” seen, but there were open elements.
Unclosed element “h1”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Bad value “if (this.value == '') {this.value = 'recherchez le type et appuyez sur ” for attribute “onblur” on element “input”: unterminated string literal
Attribute “entrée"';}"” not allowed on element “input” at this point.
Stray end tag “div”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “entrée"';}"” is not serializable as XML 1.0.
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