The dream of instantly booting up Metal Gear Solid 4 in a Chrome tab is still just that—a dream. For now, avoid any site claiming to offer a "full PS3 emulator on browser." They are almost certainly scams looking to install malware.
The RPCS3 team (the actual developers of the desktop emulator) have experimented with . Wasm allows code written in C++ (like an emulator core) to run in a browser at near-native speed. ps3 emulator on browser full