Linuxlookup.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Attribute “value” not allowed on element “input” at this point.
Bad value “” for attribute “id” on element “input”: An ID must not be the empty string.
Element “input” is missing required attribute “alt”.
The “font” element is obsolete. Use CSS instead.
The “center” element is obsolete. Use CSS instead.
Warnings:
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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