Rdm.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “Search” was here.
Attribute “,” is not serializable as XML 1.0.
The first occurrence of ID “menu-item-location-id-587” was here.
Errors:
Bad value “//www.googletagmanager.com/ns.html?id=GTM\x2DTXGR2N” for attribute “src” on element “iframe”: Illegal character in query: “\” is not allowed.
Duplicate attribute “id”.
Duplicate ID “Search”.
Duplicate attribute “class”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
No space between attributes.
Attribute “,” not allowed on element “a” at this point.
Duplicate ID “menu-item-location-id-587”.
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