Maxx.de W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Duplicate ID “example”.
Bad value “coda-slider-1” for attribute “rel” on element “a”: The string “coda-slider-1” is not a registered keyword.
Element “p” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The first occurrence of ID “example” was here.
This document appears to be written in German. Consider adding “lang="de"” (or variant) to the “html” start tag.
Germany DE