Thebigdomain.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
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.
Duplicate ID “txtProperty”.
Element “img” is missing required attribute “src”.
Attribute “optiongroup” not allowed on element “option” at this point.
Duplicate attribute “value”.
Attribute “min” not allowed on element “input” at this point.
Attribute “max” not allowed on element “input” at this point.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Duplicate ID “”.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “txtProperty” was here.
The first occurrence of ID “” was here.
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