Errors:
Malformed byte sequence: “b3”.
Malformed byte sequence: “f3”.
Malformed byte sequence: “b6”.
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Internal encoding declaration “iso-8859-2” disagrees with the actual encoding of the document (“utf-8”).
Bad value “https://fonts.googleapis.com/css?family=Arimo:400,700|Tinos&subset=latin-ext” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
The “center” element is obsolete. Use CSS instead.
Malformed byte sequence: “a6”.
Malformed byte sequence: “b1”.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Malformed byte sequence: “ea”.
Malformed byte sequence: “a3”.
Malformed byte sequence: “d3”.
Malformed byte sequence: “bf”.
Malformed byte sequence: “a1”.
Stray end tag “input”.
Malformed byte sequence: “e6”.
Bad value “recenzja-Genesis-IRID-300---szklana-wie�a-za-niedu�e-pieni�dze,1023,1.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Malformed byte sequence: “ac”.
Malformed byte sequence: “f3”, “bf”.
Malformed byte sequence: “bc”.
Duplicate ID “mainposts”.
Bad value “news-Cooler-Master-MasterCase-H500M---topowa-obudowa-dla-wymagaj�cych,32977.html#k” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Malformed byte sequence: “f1”.
Bad value “news-Cooler-Master-MasterCase-H500M---topowa-obudowa-dla-wymagaj�cych,32977.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Bad value “news-BLAZE-X2-z-przyciemnionego-szk�a,32975.html#k” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Bad value “news-BLAZE-X2-z-przyciemnionego-szk�a,32975.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
“&” did not start a character reference. (“&” probably should have been escaped as “&”.)
Bad value “news-Optoma-HD27e-&8211;-uniwersalny-projektor-za-rozs�dne-pieni�dze,32971.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Bad value “news-Arctic-Alpine-12-Passive-dla-procesor�w-Ryzen,32970.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Bad value “news-ASUS-ZenFone-5-dost�pny-w-przedsprzeda�y,32969.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Bad value “news-LG-wprowadza-do-Polski-sw�j-flagowy-smartfon-LG-G7-ThinQ,32967.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Bad value “news-Huawei-prezentuje-now�-seri�-Y-2018,32966.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Bad value “news-Northgard---Urokliwy-RTS-z-�adnie-ukrytymi-problemami,32774.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Bad value “recenzja-Northgard---Urokliwy-RTS-z-�adnie-ukrytymi-problemami,1017,1.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Malformed byte sequence: “ea”, “b6”.
Bad value “news-GeForce-GTX-oficjaln�-platform�-sprz�tow�-PC-dla-gry-Battlefield-V,32963.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “img” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Malformed byte sequence: “f3”, “b3”.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “mainposts” was here.
This document appears to be written in Polish. Consider adding “lang="pl"” (or variant) to the “html” start tag.
Poland PL