Movie4u domains change frequently (e.g., .com, .to, .net, .foo). The "foo" in your search string might be a specific subdomain. Check recent Reddit threads or trustpilot-style forums (like Trustpilot or Sitejabber) for the current active mirror.
Until then, protect your devices. If you choose the Movie4u path, do so with your eyes open. If you choose the legal path, enjoy the peace of mind that comes with a buffer-free, malware-free, truly extra quality experience.
But technology moves fast. With the rise of AV1 codecs (which reduce file size without losing quality) and cheaper data plans, "extra quality" will eventually become the standard for legal free tiers.
But what does this keyword actually mean? Is it a secret code, a typo, or a gateway to a superior streaming experience?