Howtocakeit.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “src” not allowed on element “object” at this point.
Attribute “frameborder” not allowed on element “object” at this point.
Attribute “allowfullscreen” not allowed on element “object” at this point.
Element “object” is missing one or more of the following attributes: “data”, “type”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “580px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “499px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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