Errors:
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
Attribute “value” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Duplicate ID “Page-1”.
Element “style” not allowed as child of element “main” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “LargeCircle”.
Duplicate ID “Large-Circle”.
Duplicate ID “Regular_LinkArrow”.
Duplicate ID “Regular_Arrow”.
Element “img” is missing required attribute “src”.
Duplicate ID “Layer_2”.
Duplicate ID “Polka_Dot_Pattern”.
Duplicate ID “Fill-1”.
Duplicate ID “Fill-4”.
Duplicate ID “Fill-6”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “Page-1” was here.
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 “LargeCircle” was here.
The first occurrence of ID “Large-Circle” was here.
The first occurrence of ID “Regular_LinkArrow” was here.
The first occurrence of ID “Regular_Arrow” was here.
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.
The first occurrence of ID “Layer_2” was here.
The first occurrence of ID “Polka_Dot_Pattern” was here.
The first occurrence of ID “Fill-1” was here.
The first occurrence of ID “Fill-4” was here.
The first occurrence of ID “Fill-6” was here.
United States US