Errors:
Bad value “https://fonts.googleapis.com/css?family=Roboto:100|Open+Sans+Condensed:300,700|Open+Sans:300,400,600,700,800&subset=greek-ext” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “shortcut ic on” for attribute “rel” on element “link”: If the “shortcut” keyword is present, the “rel” attribute's entire value must be “shortcut icon”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Text not allowed in element “iframe” in this context.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Duplicate ID “t_searchquery”.
Element “summary” not allowed as child of element “article” in this context. (Suppressing further errors from this subtree.)
Bad element name “fb:login-button”: Code point “U+003A” is not allowed
Duplicate ID “sin_f1”.
Duplicate ID “sin_f2”.
Duplicate ID “sin_f3”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “t_searchquery” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Element name “fb:login-button” cannot be represented as XML 1.0.
The first occurrence of ID “sin_f1” was here.
The first occurrence of ID “sin_f2” was here.
The first occurrence of ID “sin_f3” was here.
This document appears to be written in Greek. Consider adding “lang="el"” (or variant) to the “html” start tag.
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