Errors:
Duplicate attribute “type”.
Attribute “alt” not allowed on element “input” at this point.
Attribute “value” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
Bad value “” for attribute “name” on element “iframe”: Browsing context name must be at least one character long.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “auto” for attribute “height” on element “iframe”: Expected a digit but saw “a” 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The “scrolling” attribute on the “iframe” element is obsolete.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The “frameborder” attribute on the “iframe” element is obsolete.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.
Text not allowed in element “iframe” in this context.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “eikones-topright”.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
Bad value “280px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.
Attribute “border” not allowed on element “iframe” at this point.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
End tag “div” seen, but there were open elements.
Unclosed element “span”.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The first occurrence of ID “eikones-topright” was here.
This document appears to be written in Greek. Consider adding “lang="el"” (or variant) to the “html” start tag.
Greece GR