16fan.com W3C HTML Markup Validation
HTML markup errors and warnings
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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”.
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “input” is missing required attribute “aria-expanded”.
Attribute “v-if” not allowed on element “ul” at this point.
Attribute “v-for” not allowed on element “template” at this point.
Attribute “v-else” not allowed on element “ul” at this point.
Attribute “v-show” not allowed on element “a” at this point.
Attribute “@click” not allowed on element “a” at this point.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
Warnings:
Attribute “:item” is not serializable as XML 1.0.
Attribute “:key” is not serializable as XML 1.0.
Attribute “:site-info” is not serializable as XML 1.0.
Attribute “:user-info” is not serializable as XML 1.0.
Attribute “:index” is not serializable as XML 1.0.
Empty heading.
Attribute “@click” is not serializable as XML 1.0.
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