Bluetooth.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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).
Errors:
Attribute “append” not allowed on element “a” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Stray end tag “li@(citem.requireslogin”.
Bad value “” for attribute “poster” on element “video”: Must be non-empty.
Stray end tag “source”.
No “p” element in scope but a “p” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Bad value “https://www.bluetooth.com/support?kb=1"” for attribute “href” on element “a”: Illegal character in query: “"” is not allowed.
Bad value “http://twitter.com/share?url=http://www.bluetooth.com/&text=Check this out!” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
The “aria-controls” attribute must point to an element in the same document.
China CN