The URL in the film is a Demo Company page, www.democompany.com/image.html, with a query and a fragment added to show every part; that page has no caption to scroll to. The fragment is never sent in the request.
Try any URL in URL Explorer: its parts, who reads them, and its Compare & resolve tab for relative links. The URLs page covers each part in depth.
The narration is a synthetic voice (ElevenLabs). Timing follows the narration track, so a recorded voice-over can replace it cue for cue using the transcript.
With Reduce Motion turned on in the operating system, the film keeps its fades and drops the sliding motion.
Set in Atkinson Hyperlegible Next and Mono, typefaces the Braille Institute designed for readers with low vision.