Ignoring frame drops is the most expensive mistake in stream-quality work because the streamer assumes a small number of frame drops "is fine" when the algorithm and the viewer perception both penalize even modest frame-drop rates.

The threshold to defend: a fraction of one percent of frames dropped across the stream. Frame-drop counters in every streaming software let you watch this metric live. Sustained drops above the threshold trigger the algorithmic penalty discussed in Module 1.

The discipline: glance at the frame-drop counter every 10 to 15 minutes during the stream. If drops are climbing, debug live. The most common live-debug fixes: lower the bitrate, switch to a lower-resolution scene, restart the stream encoder if it has degraded, and check whether a background app started consuming bandwidth.

The post-stream review: pull the frame-drop number for the entire stream from the platform's analytics. Track the number across streams. Patterns emerge: certain scenes drop more, certain times of day drop more, certain bitrate-resolution combinations drop more. Use the patterns to refine the configuration.