Schurter.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.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “helptext-search” was here.
Empty heading.
Errors:
Bad value “” for attribute “href” on element “link”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “data” not allowed on element “input” at this point.
Duplicate ID “helptext-search”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “tel:+41 41 369 31 11” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “F: +41 41 369 33 33” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
End tag “br”.
Bad value “data:image/gif;base64, iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mPc9h8AAnEBtxKtLmkAAAAASUVORK5CYII=” for attribute “src” on element “img”: Illegal character in scheme data: space is not allowed.
No “p” element in scope but a “p” end tag seen.
Element “img” is missing required attribute “src”.
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