Errors:
Element “meta” is missing required attribute “content”.
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Attribute “groups” not allowed on element “li” at this point.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “search_form”.
The “font” element is obsolete. Use CSS instead.
Attribute “allow” not allowed on element “iframe” at this point.
Bad value “1” for attribute “allowfullscreen” on element “iframe”.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
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The “frameborder” attribute on the “iframe” element is obsolete.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.
Attribute “name” not allowed on element “article” at this point.
Bad value “mailto:?subject=I found this blog post interesting&body=[link]” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
The “center” element is obsolete. Use CSS instead.
Duplicate ID “footer”.
The element “footer” must not appear as a descendant of the “footer” element.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “search_form” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “footer” was here.
United States US