# Platform Specifications

Character limits and format requirements for advertising platforms.

## Google Ads

### Responsive Search Ads (RSA)

| Element | Limit | Notes |
|---------|-------|-------|
| Headlines | 30 chars × 15 max | Min 3, recommended 10+ |
| Descriptions | 90 chars × 4 max | Min 2, recommended 4 |
| Display URL paths | 15 chars × 2 | Optional |
| Final URL | 2048 chars | Required |

### Display Ads

| Format | Dimensions | File Size |
|--------|------------|-----------|
| Leaderboard | 728×90 | 150KB |
| Medium Rectangle | 300×250 | 150KB |
| Wide Skyscraper | 160×600 | 150KB |
| Large Rectangle | 336×280 | 150KB |
| Responsive | Various | 150KB |

### Performance Max

| Asset Type | Specs |
|------------|-------|
| Short headline | 30 chars |
| Long headline | 90 chars |
| Description | 90 chars |
| Business name | 25 chars |
| Images | 1200×628, 1200×1200, 628×628 |
| Videos | 10 sec+ recommended |

## Naver Search Ads

### 파워링크

| Element | Limit |
|---------|-------|
| 제목 | 25자 (한글 기준) |
| 설명 | 45자 |
| 표시 URL | 도메인만 |

### 브랜드검색광고

| Element | Limit |
|---------|-------|
| 메인 제목 | 15자 |
| 서브 제목 | 30자 |
| 설명문 | 100자 |
| 이미지 | 200×200 이상 |

### 확장소재

| Type | Limit |
|------|-------|
| 확장 제목 | 25자 |
| 추가 설명 | 20자 × 2개 |
| 서브링크 | 제목 15자, URL |
| 가격정보 | 15자 + 금액 |

## Meta (Facebook/Instagram)

### Feed Ads

| Element | Limit | Recommended |
|---------|-------|-------------|
| Primary text | 125 chars visible | 40-50 chars |
| Headline | 40 chars | 25-30 chars |
| Description | 30 chars | Optional |
| Link description | 30 chars | |

### Stories Ads

| Element | Specs |
|---------|-------|
| Aspect ratio | 9:16 |
| Image | 1080×1920 |
| Video | 15 sec max |
| Text overlay | Minimal (20% rule relaxed) |

### Reels Ads

| Element | Specs |
|---------|-------|
| Aspect ratio | 9:16 |
| Duration | 15-60 sec |
| Caption | 72 chars visible |

## LinkedIn Ads

### Sponsored Content

| Element | Limit |
|---------|-------|
| Introductory text | 600 chars (150 visible) |
| Headline | 200 chars |
| Description | 300 chars |
| Image | 1200×627 |

### Message Ads

| Element | Limit |
|---------|-------|
| Subject line | 60 chars |
| Message body | 1500 chars |
| CTA | 20 chars |

### Text Ads

| Element | Limit |
|---------|-------|
| Headline | 25 chars |
| Description | 75 chars |
| Image | 100×100 |

## Twitter (X) Ads

### Promoted Tweets

| Element | Limit |
|---------|-------|
| Tweet text | 280 chars |
| Card headline | 70 chars |
| Card description | 200 chars |
| Website URL | Included |

### Image Specs

| Format | Specs |
|--------|-------|
| Single image | 1200×675 (1.91:1) |
| Multi-image | 600×335 each |
| Carousel | 800×800 (1:1) |

## Kakao Ads

### 비즈보드

| Element | Limit |
|---------|-------|
| 제목 | 21자 |
| 설명 | 45자 |
| 이미지 | 640×480 |

### 카카오모먼트

| Type | Specs |
|------|-------|
| 네이티브 이미지 | 1200×628 |
| 네이티브 동영상 | 1920×1080 |
| 텍스트 | 45자 |

## YouTube Ads

### In-Stream Ads

| Type | Duration | Skip |
|------|----------|------|
| Skippable | Any length | After 5 sec |
| Non-skippable | 15-20 sec | No |
| Bumper | 6 sec max | No |

### Discovery Ads

| Element | Limit |
|---------|-------|
| Headline | 25 chars × 2 |
| Description | 90 chars × 2 |
| Thumbnail | 1280×720 |

## Best Practices Summary

### Character Count Tips

1. **Stay under 80%** of max for safety margin
2. **Front-load** key message
3. **Test mobile** truncation points
4. **Use abbreviations** sparingly

### Image Guidelines

1. **High resolution** always
2. **Minimal text** on images (especially Meta)
3. **Brand colors** consistent
4. **CTA button** placement matters

### Video Guidelines

1. **Hook in 3 seconds**
2. **Captions** always (85% watch muted)
3. **Logo** early for brand recall
4. **CTA** at end or throughout
