Rieter.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
The “scheme” attribute on the “meta” element is obsolete. Use only one scheme per field, or make the scheme declaration part of the value.
Bad value “reply-to” for attribute “http-equiv” on element “meta”.
Element “link” is missing one or more of the following attributes: “itemprop”, “rel”.
The “rev” attribute on the “link” element is obsolete. Use the “rel” attribute instead, with a term having the opposite meaning.
Bad value “schema.dc” for attribute “rel” on element “link”: The string “schema.dc” is not a registered keyword.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “<” instead.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Duplicate attribute “target”.
Bad value “” for attribute “width” on element “img”: The empty string is not a valid non-negative integer.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
Duplicate ID “icon”.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “icon” was here.
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