If you are technically inclined and tired of broken public proxies, build your own.
: A "browser within a browser" functionality that lets users open multiple sites in different tabs within the same Google Sites page. Stealth & Persistence Features Cloaking / Camouflage
: Built-in anonymity that masks the user's IP address to prevent tracking by network administrators. One-Click Activation
Most IT admins are reasonable. They block categories, not specific URLs. If you provide the exact URL, they can add a "bypass rule" in 30 seconds. This is faster and safer than hunting for a proxy.