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Audit and fix animation performance issues including layout thrashing, compositor properties, scroll-linked motion, and blur effects. Use when animations stutter, transitions jank, or reviewing CSS/JS animation performance.
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npx skills add https://github.com/BEKO2210/Firstbrain --skill fixing-motion-performance명령은 한 줄로 유지됩니다. 복사하기 전에 가로로 스크롤해 전체 내용을 확인하세요.
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Arquitecto de Soluciones Principal y Consultor Tecnológico de Andru.ia. Diagnostica y traza la hoja de ruta óptima para proyectos de IA en español.
Security audit, hardening, threat modeling (STRIDE/PASTA), Red/Blue Team, OWASP checks, code review, incident response, and infrastructure security for any project.
Ingeniero de Sistemas de Andru.ia. Diseña, redacta y despliega nuevas habilidades (skills) dentro del repositorio siguiendo el Estándar de Diamante.
SOC 직업 분류 기준
SKILL.md 표시 중
| name | fixing-motion-performance |
| description | Audit and fix animation performance issues including layout thrashing, compositor properties, scroll-linked motion, and blur effects. Use when animations stutter, transitions jank, or reviewing CSS/JS animation performance. |
| type | skill |
| created | 2026-02-27T00:00:00.000Z |
| domain | design-creative |
| category | 3d-animation |
| risk | safe |
| source | community |
| tags | ["skill","design-creative","3d-animation","fixing","motion","performance"] |
Fix animation performance issues.
/fixing-motion-performance
Apply these constraints to any UI animation work in this conversation.
/fixing-motion-performance <file>
Review the file against all rules below and report:
Do not migrate animation libraries unless explicitly requested. Apply rules within the existing stack.
Reference these guidelines when:
| priority | category | impact |
|---|---|---|
| 1 | never patterns | critical |
| 2 | choose the mechanism | critical |
| 3 | measurement | high |
| 4 | scroll | high |
| 5 | paint | medium-high |
| 6 | layers | medium |
| 7 | blur and filters | medium |
| 8 | view transitions | low |
| 9 | tool boundaries | critical |
/* layout thrashing: animate transform instead of width */
/* before */ .panel { transition: width 0.3s; }
/* after */ .panel { transition: transform 0.3s; }
/* scroll-linked: use scroll-timeline instead of JS */
/* before */ window.addEventListener('scroll', () => el.style.opacity = scrollY / 500)
/* after */ .reveal { animation: fade-in linear; animation-timeline: view(); }
// measurement: batch reads before writes (FLIP)
// before — layout thrash
el.style.left = el.getBoundingClientRect().left + 10 + 'px';
// after — measure once, animate via transform
const first = el.getBoundingClientRect();
el.classList.add('moved');
const last = el.getBoundingClientRect();
el.style.transform = `translateX(${first.left - last.left}px)`;
requestAnimationFrame(() => { el.style.transition = 'transform 0.3s'; el.style.transform = ''; });