Fivebooks.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Stray start tag “html”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “458px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “122px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value for attribute “href” on element “a”: Tab, new line or carriage return found.
Stray end tag “h2”.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Attribute “for” not allowed on element “form” at this point.
Attribute “value” not allowed on element “label” at this point.
Duplicate ID “search-input”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “search-input” was here.
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