Sgdf.fr W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “src” not allowed on element “input” at this point.
Stray start tag “a”.
Stray start tag “span”.
Stray end tag “span”.
Stray end tag “a”.
Bad value “texte” for attribute “type” on element “input”.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Bad value “tel:+33 1 44 52 37 37” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
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