Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Bad value “screen, projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Bad value “\\\\\\\\\\\\\\\"shortcut” for attribute “rel” on element “link”: The string “\\\\\\\\\\\\\\\"shortcut” is not a registered keyword.
Attribute “icon\\\\\\\\\\\\\\\"” not allowed on element “link” at this point.
Bad value “\\\\\\\\\\\\\\\"http://www.kosmonautix.cz/favicon.ico\\\\\\\\\\\\\\\"” for attribute “href” on element “link”: Backslash ("\") used as path segment delimiter.
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.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “center” element is obsolete. Use CSS instead.
Duplicate ID “phpobal”.
Warnings:
Attribute “icon\\\\\\\\\\\\\\\"” is not serializable as XML 1.0.
The first occurrence of ID “phpobal” was here.
Czech Republic CZ