Errors:
Stray end tag “meta”.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “toolbar” for attribute “role” on element “nav”.
Bad value “navigation” for attribute “role” on element “ul”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Bad value “” for attribute “srcset” on element “source”: Must contain one or more image candidate strings.
A “source” element that has a following sibling “source” element or “img” element with a “srcset” attribute must have a “media” attribute and/or “type” attribute.
Element “style” not allowed as child of element “main” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “h5” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “s” not allowed on element “img” at this point.
Attribute “5-story” not allowed on element “img” at this point.
Attribute “christmas” not allowed on element “img” at this point.
Attribute “tree'” not allowed on element “img” at this point.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “5-story” is not serializable as XML 1.0.
Attribute “tree'” is not serializable as XML 1.0.
The “contentinfo” role is unnecessary for element “footer”.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
United States US