They are clones. These sites use the same database templates, the same deceptive ad networks, and the same legal vulnerabilities. A "better" piracy site today is just tomorrow's seized domain.
In many countries (USA, UK, Germany, India), downloading copyrighted content is illegal. Your ISP can see you visiting Filmy4Web. They will send you warnings, throttle your speed, or in extreme cases, forward your details to legal teams. Fines can range from $500 to thousands. filmy4web com better
Cons: