Vaamo.de 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”.
CSS: “background-color”: Parse Error.
CSS: “background”: Parse Error.
CSS: “color”: Parse Error.
Bad value “https://fonts.googleapis.com/css?family=Montserrat:400,700|Source+Sans+Pro:300,400,600” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
CSS: “visibility”: “none” is not a “visibility” value.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “small-menu”.
No “p” element in scope but a “p” end tag seen.
Element “costs” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The first occurrence of ID “small-menu” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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