Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Element “spam” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “span”.
End tag “div” seen, but there were open elements.
Unclosed element “spam”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Malformed byte sequence: “c4”.
Bad value “tooltip” for attribute “rel” on element “a”: The string “tooltip” is not a registered keyword.
Bad value “popupsms” for attribute “rel” on element “a”: The string “popupsms” is not a registered keyword.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Bad value “https://adresik.pl/>adresik.pl</a> - domeny</div>
<div class=” for attribute “href” on element “a”: Illegal character in path segment: “>” is not allowed.
Attribute “polecamy"” not allowed on element “a” at this point.
Start tag “a” seen but an element of the same type was already open.
Bad value “https://iv.pl>Darmowy hosting zdjęć </a></div>
<div class=” for attribute “href” on element “a”: Invalid host: Illegal character in domain: space is not allowed.
Warnings:
Attribute “polecamy"” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
This document appears to be written in Polish. Consider adding “lang="pl"” (or variant) to the “html” start tag.
Poland PL