Haverford.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Duplicate attribute “alt”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “loading” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “p” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Bad value “mailto:sales@haverford.com?subject = HSI Information Inquiry” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
The “aria-controls” attribute must point to an element in the same document.
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