Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “https://adserver.adtech.de/adlink|3.0|1005.1|5605076|0|225|ADTECH;loc=300;alias=” for attribute “href” on element “a”: Illegal character in path segment: “|” is not allowed.
Bad value “https://adserver.adtech.de/adserv|3.0|1005.1|5605076|0|225|ADTECH;loc=300;alias=” for attribute “src” on element “img”: Illegal character in path segment: “|” is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “https://adserver.adtech.de/adlink|3.0|1005.1|5613883|0|3299|ADTECH;loc=300;alias=” for attribute “href” on element “a”: Illegal character in path segment: “|” is not allowed.
Bad value “https://adserver.adtech.de/adserv|3.0|1005.1|5613883|0|3299|ADTECH;loc=300;alias=” for attribute “src” on element “img”: Illegal character in path segment: “|” is not allowed.
Attribute “content” not allowed on element “span” at this point.
Attribute “about” not allowed on element “article” at this point.
Bad value “https://adserver.adtech.de/adlink|3.0|1005.1|5605073|0|170|ADTECH;loc=300;alias=” for attribute “href” on element “a”: Illegal character in path segment: “|” is not allowed.
Bad value “https://adserver.adtech.de/adserv|3.0|1005.1|5605073|0|170|ADTECH;loc=300;alias=” for attribute “src” on element “img”: Illegal character in path segment: “|” is not allowed.
Bad value “https://adserver.adtech.de/adlink|3.0|1005.1|5605084|0|186|ADTECH;loc=300;alias=” for attribute “href” on element “a”: Illegal character in path segment: “|” is not allowed.
Bad value “https://adserver.adtech.de/adserv|3.0|1005.1|5605084|0|186|ADTECH;loc=300;alias=” for attribute “src” on element “img”: Illegal character in path segment: “|” is not allowed.
Bad value “https://adserver.adtech.de/adlink|3.0|1005.1|5605075|0|170|ADTECH;loc=300;alias=” for attribute “href” on element “a”: Illegal character in path segment: “|” is not allowed.
Bad value “https://adserver.adtech.de/adserv|3.0|1005.1|5605075|0|170|ADTECH;loc=300;alias=” for attribute “src” on element “img”: Illegal character in path segment: “|” is not allowed.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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