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 “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “alt” not allowed on element “a” at this point.
Duplicate ID “mtoggle”.
Duplicate ID “topleistenmenucontainer”.
Duplicate ID “hiddensecondmenu”.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “blogansicht”.
Duplicate ID “post-114288”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Attribute “width” not allowed on element “div” at this point.
Stray start tag “script”.
Warnings:
The first occurrence of ID “mtoggle” was here.
The first occurrence of ID “topleistenmenucontainer” was here.
The first occurrence of ID “hiddensecondmenu” was here.
The first occurrence of ID “blogansicht” was here.
The first occurrence of ID “post-114288” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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