Sgkb.ch W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “ng-app” not allowed on element “html” at this point.
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
Duplicate attribute “class”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Stray end tag “a”.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “""” not allowed on element “a” at this point.
Duplicate attribute “target”.
Stray end tag “div”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “href” without an explicit value seen. The attribute may be dropped by IE7.
Attribute “""” is not serializable as XML 1.0.
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