Ipsn.eu W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
Bad value “280px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
The element “a” must not appear as a descendant of the “button” element.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
No space between attributes.
Duplicate ID “snp-bld-step-1”.
Duplicate ID “snp-pop-5469-overlay”.
Warnings:
The first occurrence of ID “snp-bld-step-1” was here.
The first occurrence of ID “snp-pop-5469-overlay” was here.
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