Teachingmatters.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
Bad value “http://fonts.googleapis.com/css?family=Open Sans:300&subset=latin” for attribute “href” on element “link”: Illegal character in query: space is not allowed.
Bad value “logo” for attribute “rel” on element “link”: The string “logo” is not a registered keyword.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
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