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”.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “area” is missing required attribute “alt”.
The “center” element is obsolete. Use CSS instead.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Bad value “” for attribute “name” on element “input”: Must not be empty.
No space between attributes.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Bad value “” for attribute “name” on element “form”: Must not be empty.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “l” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “h1” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “alt” not allowed on element “a” at this point.
End tag “article” seen, but there were open elements.
Unclosed element “section”.
Warnings:
The “language” attribute on the “script” element is obsolete.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The “border” attribute is obsolete.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.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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).
Brazil BR