Unit4.nl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “text/html” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.
Internal encoding declaration named an unsupported chararacter encoding “charset=iso-8550-1”.
Attribute “charset” not allowed on element “meta” at this point.
Element “meta” is missing required attribute “content”.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
Bad value “” for attribute “id” on element “a”: An ID must not be the empty string.
Duplicate ID “”.
Attribute “alt” not allowed on element “a” at this point.
Duplicate ID “_con”.
Duplicate ID “position-1-0”.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “auto” for attribute “height” on element “iframe”: Expected a digit but saw “a” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The first occurrence of ID “” was here.
The first occurrence of ID “_con” was here.
The first occurrence of ID “position-1-0” was here.
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