Lesson 4 — Captions, Pacing and Retention
Most of your audience is watching muted, in bad light, at speed. Captions are not accessibility. They are the ad.
- Burn captions into the video; never depend on a platform toggle the viewer has to find.
- Two to four words per line, high contrast, thick outline, kept inside the platform safe zone.
- Force a visual change every 1.5 to 3 seconds; static stretches are where the retention curve collapses.
- Read the retention graph as a diagnostic: an early cliff is a hook problem, a mid-video slide is a pacing problem.
Burn captions into the pixels. Platform auto-captions are inconsistent, badly timed and often off by default. A burned-in caption travels with the file to every placement, every platform, every repost, and always shows up.
Keep captions to two to four words per line, high contrast, with a thick outline or a solid box behind them. Place them in the safe zone away from platform buttons. Long lines of text are read as work and get skipped.
Give the eye something new every one and a half to three seconds. A cut, a punch-in, an angle change, a text pop. It does not need to be dramatic, it needs to be a change. Static stretches are exactly where viewers leave.
Retention graphs tell you exactly what to fix. A cliff in the first three seconds means the hook failed. A slow slide around ten seconds means the middle drags. A drop right before the CTA means you asked too late.
Descript lets you cut video by editing the transcript and strip filler words. OpusClip finds and captions clip candidates fast. CapCut handles burn-in and final polish. Use them as a pipeline, not as rivals.
Action step. Take a video you already posted. Re-caption it, three words per line, burned in, high contrast. Add a visual change every two seconds. Post the new cut and compare the retention curves side by side.
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