Maisminas.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Attribute “<script” not allowed on element “head” at this point.
Attribute “async” not allowed on element “head” at this point.
Attribute “src” not allowed on element “head” at this point.
Stray end tag “script”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “http://#” for attribute “href” on element “a”: Invalid host: empty host.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “td_uid_4_5a3916882d32f”.
Element “div” not allowed as child of element “span” 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.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Bad value “true” for attribute “async” on element “script”.
Warnings:
Attribute “<script” is not serializable as XML 1.0.
The first occurrence of ID “td_uid_4_5a3916882d32f” was here.
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