The "forever" aspect is actually a marketing reflection of the proxy’s strategy. Many "4ever" clones or related services use a technique called domain rotation :

A browser-based tool that requires no installation. Users enter a URL on the 4everproxy website, select a server location (e.g., USA, UK, Germany, Australia), and click "Go".

Finding a working "4ever proxy" link can be frustrating because they get taken down frequently. Here is the exact method to find a working unblock link and configure it.

The proxy server fetches the website content using its own IP address, hiding your real location.

Choose to appear as if you are browsing from the US, UK, Germany, Australia, and more. Encrypted Connections: