Msworld.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Bad value “/forum/member.php?u=0 href=” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Attribute “#"” not allowed on element “a” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “alt” not allowed on element “a” at this point.
Duplicate ID “projects”.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
Any “input” descendant of a “label” element with a “for” attribute must have an ID value that matches that “for” attribute.
Element “input” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Attribute “#"” is not serializable as XML 1.0.
The first occurrence of ID “projects” was here.
United States US