Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The element “header” must not appear as a descendant of the “header” element.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “true"” not allowed on element “a” at this point.
Duplicate ID “green-arrow”.
Duplicate attribute “src”.
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
The element “main” must not appear as a descendant of the “article” element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “img” is missing required attribute “src”.
Bad value “435.5” for attribute “height” on element “img”: Expected a digit but saw “.” instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Text not allowed in element “iframe” in this context.
Attribute “heght” not allowed on element “img” at this point.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute “true"” is not serializable as XML 1.0.
The first occurrence of ID “green-arrow” was here.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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).
United States US
