Your network sees you visiting the proxy site, not the restricted site. Popular options: ProxySite.com (Good for YouTube) CroxyProxy (Supports video streaming well) (Focused on privacy) No installation required; works on any browser.
No registration required. No credit card needed. Just pure and simple access to the internet, free and unrestricted.
Not all proxies are created equal. When searching for the latest free options, look for these three pillars of quality: 1. SSL Encryption (HTTPS Support)