Khoahocphothong.com.vn W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.
Bad value “tel:(028) 3920 1523” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “setHomepage(http://www.khoahocphothong.com.vn/)” for attribute “onclick” on element “a”: missing ) after argument list
Bad value “dofollow” for attribute “rel” on element “a”: The string “dofollow” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “keyword”.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Text run is not in Unicode Normalization Form C.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “keyword” was here.
Viet Nam VN