Download pages for browser scripts (like Greasemonkey/Tampermonkey) that change how specific websites function.
The garbled text you see——is a common encoding error (mojibake). It happens when software tries to read the Polish character "łą" using the wrong character set (typically UTF-8 interpreted as Windows-1252 or similar). What this usually refers to: Pobierz skrypt! (ЕЃД…cze alternatywne)
The phrase translates from Polish to "Download the script! (Alternative link)" . Pobierz skrypt! (ЕЃД…cze alternatywne)