However, "best" is subjective. The morally best way to watch is via legal purchase. The technically best visual quality is the official Blu-Ray, which has a much higher bitrate than any web rip. But for convenience, accessibility, and preservation of a niche 3D film, the HDHub4U version remains the most searched result.
I notice you're asking about the phrase
For the best viewing experience, avoid unofficial sites and check established platforms: haunted 3d hdhub4u best
Top examples include The Conjuring 2 (converted 3D), Paranormal Activity: The Ghost Dimension (native 3D), and House of Wax 3D . However, "best" is subjective