Sgboo.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Attribute “value” not allowed on element “input” at this point.
Bad value “” for attribute “id” on element “section”: An ID must not be the empty string.
Stray end tag “div”.
Duplicate ID “”.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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