Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “newsletter” was here.
Element name “style="clear_both"” cannot be represented as XML 1.0.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Stray end tag “head”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Start tag “body” seen but an element of the same type was already open.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Bad value “2018-5-13” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-5-20” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Element “item” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “2018-5-14” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-5-17” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-5-15” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Duplicate attribute “style”.
Bad value “2018-5-16” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-6-15” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-5-19” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-5-24” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-5-18” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-5-23” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-5-21” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-5-22” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-5-26” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018-5-28” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Attribute “rel” not allowed on element “li” at this point.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Duplicate ID “newsletter”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Stray end tag “aside”.
End tag “main” seen, but there were open elements.
Unclosed element “section”.
Element “style="clear_both"” not allowed as child of element “aside” in this context. (Suppressing further errors from this subtree.)
Stray end tag “style”.
End tag “aside” seen, but there were open elements.
Unclosed element “style="clear_both"”.
Element “style="clear_both"” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Element “style="clear_both"” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
End tag “section” seen, but there were open elements.
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