| name | shorts-design-principles |
| description | Use when designing, scripting, or iterating on a YouTube Short or vertical short-form video. Use when writing a hook, choosing music, deciding when to reveal a payoff, planning a climax, evaluating a draft short before publishing, or figuring out why a short feels weak. |
Shorts Design Principles
Knowledge base for designing YouTube Shorts that retain viewers. Distilled from analysis of viral shorts and the techniques top creators use to consistently blow up.
When to use
- Designing a new short from scratch
- Iterating on a draft short
- Diagnosing why a short feels weak before publishing
- Choosing music for a short
- Deciding what to reveal and when
- Picking which footage to record or use
This skill is knowledge for designing, not a tool for analyzing already-published analytics. Load it into context when planning or refining a short.
The Core Mental Model: The Line
Every successful short is a single line from left to right:
HOOK ─────── PROGRESSION ─────── CLIMAX
(0-5s) (middle) (final beats)
Also called HPC — Hook, Progression, Climax. Every design decision should make this line flatter on the retention graph. Retention is the only metric that matters: the algorithm rewards high-retention shorts and almost nothing else.
The Five Non-Negotiable Rules
- Hook in 5 seconds or you've lost them. The first 5 seconds must introduce the topic AND raise unresolved questions. No greetings, no preamble, no music intros.
- Never pay off the topic too early. This is the cardinal sin. The reveal belongs at the END, after maximum tension. If you give the answer at second 5, the viewer scrolls. Most failed shorts fail here.
- Tension is the master tool of storytelling. Anticipation beats content quality. A tense buildup with mediocre footage outperforms great footage with no tension.
- Footage must convey what's happening immediately. If a viewer at second 2 of muted playback can't tell what they're looking at without a voiceover explaining it, the ideation has failed. Reframe, reshoot, or use captions/zoom to fix.
- Match the music to the structure. Rising music for payoff videos (beat drop synced to climax). Ambient mood-matching music for emotion-driven videos. The wrong type sinks a great script.
The Two Types of Shorts
Every short falls into one of two categories. The category determines design rules.
| Type | Engine | Music type | Examples |
|---|
| Payoff videos | Tension building toward a climax | Rising music with a synced beat drop | "Snowball fight in the desert", "Two Starbucks beef" |
| Emotion videos | Sustained strong emotion | Ambient mood-matching music | A wholesome gym moment, a satisfying cook |
Pick ONE per short. Mixing them dilutes both.
The Design Checklist
Run every draft against this checklist before publishing. If any answer is "no," pull up the matching reference file.
Reference Files
| File | Use when |
|---|
references/framework.md | Need the full HPC mental model and retention-as-only-metric theory |
references/ideation.md | Choosing topics, footage, formats; running the 3-reasons test |
references/hook.md | Writing or rewriting the first 5 seconds |
references/storytelling.md | Designing the middle section / building tension |
references/payoff.md | Designing the climax / deciding when to reveal |
references/editing-and-pacing.md | Cutting and pacing decisions |
references/music.md | Choosing soundtrack and sound effects |
references/retention-knowledge.md | Understanding what causes viewer drop-off |
references/leverage-tactics.md | Driving comments, replays, and follow-on watch |
references/worked-examples.md | Named case studies of viral and failed shorts |
The One Sentence Version
If you take only one thing from this skill, take this:
Build maximum tension, then save the reveal for the final beat.
