Errors:
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “https://www.w3.org/2000/svg” for the attribute “xmlns” (only “http://www.w3.org/2000/svg” permitted here).
Duplicate ID “posted_data_by_shortdescr”.
Duplicate ID “posted_data_by_fulldescr”.
Duplicate ID “including_phrase”.
Duplicate attribute “class”.
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “alt” not allowed on element “a” at this point.
Attribute “content” not allowed on element “p” at this point.
Duplicate ID “Polygon_2”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “xmlns” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “posted_data_by_shortdescr” was here.
The first occurrence of ID “posted_data_by_fulldescr” was here.
The first occurrence of ID “including_phrase” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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).
The first occurrence of ID “Polygon_2” was here.
United States US