Short-form video has changed not only the content format, but also the expectations placed on mobile products. Users expect the next clip to start almost immediately, gestures to respond without delay, and quality to adapt to the network without becoming visible.

What traffic research shows

An Ericsson study reports that social-media-generated video accounts for roughly 70–80% of smartphone mobile video viewing, while video-on-demand represents less than 10%. This explains why even a short delay in a feed feels so disruptive.

Lessons for product teams

  • Start playback at a lower quality and increase it when the connection is stable.
  • Prefetch only the next one or two items instead of spending data without a clear need.
  • Separate media loading from analytics and secondary components.
  • Show a clear state when a video cannot start.

Do not measure buffering alone. Useful metrics include time to first frame, interrupted views, completion, repeat sessions, and megabytes consumed per user. This reveals the trade-off between quality and reliability.

Short-form video wins not through maximum resolution, but through the absence of friction. A well-designed player respects the network, battery, and attention of its users.

Source: Ericsson Mobility Report, November 2025.