Erasmusu.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Element “input” not allowed as child of element “dl” in this context. (Suppressing further errors from this subtree.)
Element “select” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “div” is missing a required instance of child element “dd”.
Element “div” is missing a required instance of child element “dt”.
Element “button” not allowed as child of element “dl” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “16px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “11px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Duplicate ID “card_new”.
No space between attributes.
Warnings:
The first occurrence of ID “card_new” was here.
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