Cohabs.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Attribute “type” not allowed on element “section” at this point.
Attribute “theme” not allowed on element “section” at this point.
Attribute “page” not allowed on element “button” at this point.
Attribute “layout” not allowed on element “a” at this point.
Attribute “autocapitalize” not allowed on element “input” at this point.
Attribute “autocorrect” not allowed on element “input” at this point.
Attribute “theme” not allowed on element “div” at this point.
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