Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Attribute “description” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
The “summary” attribute on the “table” element is obsolete. Consider describing the structure of the “table” in a “caption” element or in a “figure” element containing the “table”; or, simplify the structure of the “table” so that no description is needed.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Element “input” is missing required attribute “alt”.
Duplicate ID “cse-search-box”.
Duplicate ID “search-box”.
Duplicate ID “header-lang”.
Duplicate ID “sel_lang”.
Duplicate ID “lang”.
Bad value “/pdf_docs?pdf_docs_search[content_types]=Technical+Papers” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Warnings:
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “cse-search-box” was here.
The first occurrence of ID “search-box” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “header-lang” was here.
The first occurrence of ID “sel_lang” was here.
The first occurrence of ID “lang” was here.
Nigeria NG