Esslinger.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Empty heading.
The first occurrence of ID “title” was here.
The first occurrence of ID “desc” was here.
Errors:
Bad value “//schema.org/SiteNavigationElement” for attribute “itemtype” on element “div”: The string “//schema.org/SiteNavigationElement” is not an absolute URL.
Attribute value missing.
Element “p” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “strike” element is obsolete. Use CSS instead.
No space between attributes.
Bad value “//schema.org/SiteNavigationElement” for attribute “itemtype” on element “ul”: The string “//schema.org/SiteNavigationElement” is not an absolute URL.
Duplicate ID “title”.
Duplicate ID “desc”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
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