Ultimaker.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Errors:
Stray end tag “a”.
Bad value “/en/stories?filter[category]=309” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “/en/stories?filter[category]=311” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “/en/stories?filter[category]=314” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “/en/stories?filter[category]=315” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “/en/stories?filter[category]=326” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “/en/stories?filter[category]=327” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Element “figcaption” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “src” on element “img”: Must be non-empty.
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