Google was granted a patent this week about how Google may rank some search results.
The patent appears to be aimed at video content, but it tells us that it might be applied to how long someone might watch a page, after they’ve been delivered to the page, even if that page doesn’t contain video. The page may contain images or audio, and a watch time for that content might be tracked as well.
Regarding videos, the patent tells us that a score might be adjusted for resources like videos based upon how long people tend to watch that video content. That score might be boosted if people tend to watch the video for longer periods of time, and might be reduced if people historically tend to watch that video for shorter periods of time. This watch time score could be used to boost or demote a video in search rankings for a query.
The patent is: