Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “style” not allowed as child of element “div” 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.
Attribute “rel” not allowed on element “form” at this point.
Bad value “false” for attribute “autocomplete” on element “form”.
End tag “br”.
The “clear” attribute on the “br” element is obsolete. Use CSS instead.
Stray end tag “a”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Bad value “https://fonts.googleapis.com/css?family=Roboto+Slab:300,400|Noto+Serif:400,700,400i,700i” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “complementary” role is unnecessary for element “aside”.
The “form” role is unnecessary for element “form”.
The “main” role is unnecessary for element “main”.
The value of attribute “src” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
The value of attribute “srcset” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “contentinfo” role is unnecessary for element “footer”.
Brazil BR