Post852.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “s”.
Attribute “border” not allowed on element “input” at this point.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The “banner” role is unnecessary for element “header”.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “complementary” role is unnecessary for element “aside”.
The first occurrence of ID “s” was here.
The “contentinfo” role is unnecessary for element “footer”.
China CN