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”.
Bad value “X-Frame-Options” for attribute “http-equiv” on element “meta”.
Bad start tag in “img” in “head”.
Stray end tag “noscript”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Bad value “https://adserver.adtech.de/adlink|3.0|832|4274469|0|225|ADTECH;loc=300” for attribute “href” on element “a”: Illegal character in path segment: “|” is not allowed.
Bad value “https://adserver.adtech.de/adserv|3.0|832|4274469|0|225|ADTECH;loc=300” for attribute “src” on element “img”: Illegal character in path segment: “|” is not allowed.
Attribute “alt” not allowed on element “a” at this point.
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
Attribute “populated” not allowed on element “input” at this point.
Bad value “https://adserver.adtech.de/adlink|3.0|832.1|4838401|0|1686|ADTECH;loc=300;” for attribute “href” on element “a”: Illegal character in path segment: “|” is not allowed.
Bad value “https://adserver.adtech.de/adserv|3.0|832.1|4805180|0|1686|ADTECH;cookie=info;loc=300;” for attribute “src” on element “img”: Illegal character in path segment: “|” is not allowed.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
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