sinpost
Sinpost is a term used in online communications analysis to describe a post or set of posts whose engagement pattern follows an approximate sinusoidal rhythm. The concept is used to study how posting cadence—the timing and frequency of posts—interacts with audience response on social platforms. The name combines sine, a mathematical term for a smooth wave, with post, indicating a digital content item.
Origin and scope: The term appears in discussions of social media analytics from the late 2010s onward
Characteristics: A sinpost is typically characterized by a periodic pattern in posting times or in content
Usage and implications: Sinpost analyses are used to test how timing, audience activity, and algorithmic feeds
See also: Engagement, Posting frequency, Algorithmic amplification, A/B testing.