Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “img” is missing required attribute “src”.
End tag “div” seen, but there were open elements.
Unclosed element “span”.
Bad value “mce-responses ” for attribute “id” on element “div”: An ID must not contain whitespace.
Duplicate ID “mc_embed_signup_scroll”.
Duplicate ID “mce-EMAIL”.
Duplicate ID “mc-embedded-subscribe”.
Duplicate ID “mce-responses ”.
Duplicate ID “mce-error-response”.
Bad value “340px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Bad value “http://adserver.adtech.de/adlink/3.0/1370/6487540/0/16/ADTECH;loc=300;grp=[group]” for attribute “href” on element “a”: Illegal character in path segment: “[” is not allowed.
Bad value “http://adserver.adtech.de/adserv/3.0/1370/6487540/0/16/ADTECH;loc=300;grp=[group]” for attribute “src” on element “img”: Illegal character in path segment: “[” is not allowed.
Warnings:
The first occurrence of ID “mc_embed_signup_scroll” was here.
The first occurrence of ID “mce-EMAIL” was here.
The first occurrence of ID “mc-embedded-subscribe” was here.
The first occurrence of ID “mce-responses ” was here.
The first occurrence of ID “mce-error-response” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Greek. Consider adding “lang="el"” (or variant) to the “html” start tag.
Greece GR