Trackitforward.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:og” not allowed here.
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.
Duplicate attribute “class”.
Duplicate ID “stories”.
Stray end tag “ul”.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “stories” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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