Hniizato.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “maxlength” not allowed on element “input” at this point.
Attribute “size” not allowed on element “input” at this point.
Attribute “maxlength” is only allowed when the input type is “email”, “password”, “search”, “tel”, “text”, or “url”.
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
Duplicate ID “subbox”.
Duplicate ID “subbutton”.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The first occurrence of ID “subbox” was here.
The first occurrence of ID “subbutton” was here.
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