Printswell.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “ix-src” not allowed on element “source” at this point.
Attribute “alt” not allowed on element “source” at this point.
Element “source” is missing required attribute “srcset”.
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
Attribute “ix-src” not allowed on element “img” at this point.
Element “img” is missing required attribute “src”.
End tag “div” seen, but there were open elements.
Unclosed element “h3”.
Element “input” is missing required attribute “alt”.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “navigation” role is unnecessary for element “nav”.
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