Koponyeg.hu 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 “1” for attribute “async” on element “script”.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “screen,aural,braille,embossed,handheld,projection,tty,tv” for attribute “media” on element “link”: Deprecated media type “aural”. For guidance, see the Media Types section in the current Media Queries specification.
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Cannot recover after last error. Any further errors will be ignored.
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