Rohde-schwarz.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
Bad value “shorturl” for attribute “rel” on element “link”: The string “shorturl” is not a registered keyword.
Element “input” is missing required attribute “alt”.
Bad value “https://www.facebook.com/sharer.php?u={url}&t={title}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Bad value “mailto:?subject={title}&body={url}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “https://www.linkedin.com/cws/share?url={url}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Bad value “https://twitter.com/home?status={title}%20{url}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Bad value “form_dlgb” for attribute “rel” on element “a”: The string “form_dlgb” is not a registered keyword.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Empty heading.
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