Scdf.gov.sg W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Stray doctype.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Duplicate attribute “class”.
Attribute value missing.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “tel:1800 280 0000” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “tel:>1800 286 5555” for attribute “href” on element “a”: Illegal character in scheme data: “>” is not allowed.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “section” at this point.
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
No “p” element in scope but a “p” end tag seen.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Attribute “href” without an explicit value seen. The attribute may be dropped by IE7.
Attribute “"” is not serializable as XML 1.0.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
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