Post frequency in YouTube and social media marketing refers to how often a channel publishes new videos, Shorts, community posts, or live streams. Consistent post frequency signals reliability to the algorithm and gives regular viewers a predictable rhythm to return to. Higher frequency is not always better; the right cadence depends on production capacity, audience appetite, and the depth of each piece. Creators who hold a steady schedule tend to build stronger habits with subscribers and see more compounding growth over time.