In the context of the Polish internet, this specific phrasing is most commonly found in:
The phrase translates from Polish to "Download the script! (Alternative link)" . Pobierz skrypt! (ЕЃД…cze alternatywne)
Some hosting sites have download caps; mirrors allow users to try a different provider. In the context of the Polish internet, this
Portals offering free JavaScript or PHP scripts for site owners. Pobierz skrypt! (ЕЃД…cze alternatywne)