Errors:
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.
The element “a” must not appear as a descendant of the “button” element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
“<” in attribute name. Probable cause: “>” missing immediately before.
Duplicate attribute “class”.
Attribute “src<img” not allowed on element “img” at this point.
No space between attributes.
Duplicate attribute “width”.
Duplicate attribute “height”.
Attribute “target” not allowed on element “span” at this point.
Element “h4” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
Attribute “src<img” is not serializable as XML 1.0.
The “charset” attribute on the “script” element is obsolete.
United States US