Opera.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”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad start tag in “img” in “head”.
Stray end tag “noscript”.
Bad value “https://www.facebook.com/tr?ev=6016287213236&cd[value]=0.01&cd[currency]=EUR&noscript=1” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.
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.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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