Foodiggity.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Text not allowed in element “iframe” in this context.
Bad value “”nofollow”” for attribute “rel” on element “a”: The string “”nofollow”” is not a registered keyword.
Bad value “300px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “250px” for attribute “height” 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.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “xmlns:cc” not allowed here.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Warnings:
The “complementary” role is unnecessary for element “aside”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Attribute with the local name “xmlns:cc” is not serializable as XML 1.0.
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