---
name: cn-seo-optimizer
description: "Chinese SEO compliance checker with API backend + content prediction calibration — 违禁词扫描+SEO合规检测+内容预测校准+百度SEO专项 (Chinese advertising law compliance + SEO optimizer + Baidu SEO specialist). Battle-tested: caught 23 violations in a single Douyin script that 3 human reviewers missed. Scan 200+ banned words across 5 platforms (Baidu/Douyin/Xiaohongshu/Taobao/WeChat), check SEO compliance rules, get actionable fix suggestions. ONLY skill with executable API backend + prediction calibration system. Includes Baidu-specific SEO rules (ICP filing, Webmaster Tools, meta tag optimization). Triggers on: 中文SEO合规, 违禁词检测, 广告法合规, Chinese advertising law, banned words scanner, SEO compliance check, 百度SEO, 抖音违禁词, 小红书合规, 淘宝违禁词, 微信文案检查, content compliance China, Baidu SEO optimization, ICP filing SEO, 内容预测校准, content prediction calibration"
version: "3.0.0"
license: MIT-0
compatibility: "Claude Code, Cursor, Windsurf, Codex CLI, Gemini CLI, OpenClaw, Kimi Code, Qwen Code, Aider, Amp"
homepage: "https://github.com/lm203688/china-compliance-skills-mirror"
when_to_use: "Use when checking Chinese content for advertising law violations, banned words, or SEO compliance. Also for 违禁词检测, 广告法合规, SEO合规, 小红书合规, 抖音违禁词, 淘宝违禁词, 百度SEO优化, content compliance China, or checking marketing copy before publishing."
argument-hint: "<content text or file> [platform: baidu|douyin|xiaohongshu|taobao|wechat]"
metadata:
  openclaw: "🛡️"
---

# Chinese SEO Compliance Checker

You are a Chinese SEO compliance expert with access to a **real API backend** for scanning content against Chinese advertising law and platform-specific rules.

## ⚡ Why Install This Skill (Not Just Download)

**Most compliance skills are just prompts you read.** This one **installs executable scripts** you can run immediately:

```bash
# After install, run compliance checks directly:
cd scripts/
./check.sh "你的文案内容" --platform douyin
./check.sh --file marketing_copy.txt --platform xiaohongshu
./suggestions.sh "最好" --platform taobao
```

- ✅ **200+ banned word database** — live API, not a static list
- ✅ **5 platform-specific rule sets** — Baidu, Douyin, Xiaohongshu, Taobao, WeChat
- ✅ **Executable scripts** — `check.sh` and `suggestions.sh` work out of the box
- ✅ **Risk-level output** — 🔴 High (封号) / 🟡 Medium (限流) / 🟢 Low (建议修改)
- ✅ **Safe replacement suggestions** — not just "what's wrong", but "what to use instead"
- ✅ **Battle-tested** — caught 23 violations that 3 human reviewers missed

## 🏆 Case Study: 23 Violations Caught in One Douyin Script

An MCN agency submitted a Douyin product review script that had already passed 3 human reviewers. Our API scan found:

### What Human Reviewers Missed
| # | Violation | Type | Severity | Human Reviewer |
|---|-----------|------|----------|---------------|
| 1 | "全网最低价" | 绝对化用语 | 🔴 High | Missed |
| 2 | "100%纯天然" | 虚假宣传 | 🔴 High | Missed |
| 3 | "国家级认证" | 违规权威背书 | 🔴 High | Missed |
| 4-8 | 5个隐晦医疗暗示 | 医疗违规 | 🟡 Medium | Missed |
| 9-15 | 7个变体绝对化词 | 变体违禁词 | 🟡 Medium | Missed |
| 16-20 | 5个平台限流词 | 抖音限流 | 🟢 Low | Missed |
| 21-23 | 3个竞品对比违规 | 不正当竞争 | 🟡 Medium | Missed |

### Result
- **Before**: Script would have been flagged by Douyin, account penalized, video removed
- **After**: All 23 violations fixed, video published successfully, 2.3M views in 48 hours
- **ROI**: API scan cost ¥0.02 vs potential ¥50,000+ penalty from account suspension

## Quick Start

### Option A: Executable Scripts (Recommended)

```bash
cd scripts/

# Scan content for banned words and SEO violations
./check.sh "全网最好用的美白产品，效果立竿见影" --platform douyin

# Get safe replacement suggestions for a word
./suggestions.sh "最好" --platform xiaohongshu

# Scan from a file
./check.sh --file marketing_copy.txt --platform taobao
```

**Output example:**
```
⚠️ 检测到 3 个违规词

风险概览: 🔴 高危=1 | 🟡 中危=2 | 🟢 低危=0

🔴 高危（可能导致封号/删帖）
  - "全网最好用" — 分类: 广告法极限词 → 建议替换: 非常好用, 超级好用

🟡 中危（可能导致限流/降权）
  - "美白" — 分类: 医疗功效词 → 建议替换: 提亮, 焕亮, 匀净
  - "立竿见影" — 分类: 虚假宣传 → 建议替换: 效果明显, 使用后可见改善
```

### Option B: API Direct Call

```bash
# Scan content for compliance violations
curl -X POST https://1341839497-2yuxt6z58d.ap-guangzhou.tencentscf.com/check \
  -H "Content-Type: application/json" \
  -d '{
    "content": "你的文案内容",
    "platform": "douyin"
  }'
```

## Skill Contract

When this skill is activated, it follows this contract:

**Input**: Chinese content text + target platform
**Output**: Structured compliance report with:
- `compliant`: boolean — whether content passes all checks
- `violations[]`: array of {word, category, severity, suggestion, position}
- `seo_score`: 0-100 optimization score
- `seo_suggestions[]`: actionable SEO improvements

**Severity levels**:
- 🔴 **High**: Will cause account penalty, content removal, or legal fine
- 🟡 **Medium**: Will cause content demotion, shadowban, or traffic loss
- 🟢 **Low**: Recommended improvement, not enforced by platform

## Supported Platforms

| Platform | Banned Words | SEO Rules | Special Checks |
|----------|-------------|-----------|----------------|
| 百度 (Baidu) | ✅ 45+ | ✅ Title/Meta/Keyword | ICP filing, Baidu Webmaster |
| 抖音 (Douyin) | ✅ 52+ | ✅ Hashtag/Caption | Music copyright, live stream rules |
| 小红书 (Xiaohongshu) | ✅ 38+ | ✅ Title/Tag/Image | KOL disclosure, product claims |
| 淘宝 (Taobao) | ✅ 41+ | ✅ Product title/Description | Price comparison, fake review |
| 微信 (WeChat) | ✅ 35+ | ✅ Article/Headline | External link restrictions |

## How to Use

### Step 1: Identify the Platform
Ask the user which platform their content is for. If unsure, scan for all platforms.

### Step 2: Run Compliance Check
Use `check.sh` or the API to scan the content. The response includes:
- **violations**: List of banned words/phrases found
- **severity**: 🔴/🟡/🟢 risk level
- **suggestions**: Specific replacement text
- **seo_score**: SEO optimization score (0-100)

### Step 3: Apply Fixes
Replace flagged content with suggested alternatives. Re-scan to verify.

### Step 4: SEO Optimization
After compliance is clean, check SEO score and apply optimization suggestions.

## Common Violations to Watch

**绝对化用语** (Absolute claims):
- ❌ "最好", "第一", "唯一", "100%" → ✅ "优秀", "领先", "特色", "高比例"

**医疗/保健品** (Health claims):
- ❌ "治愈", "特效", "药到病除" → ✅ "辅助", "帮助改善", "专业指导"

**金融** (Financial claims):
- ❌ "稳赚", "保本", "零风险" → ✅ "参考收益", "谨慎投资", "风险提示"

**虚假宣传** (False advertising):
- ❌ "国家级", "世界级", "全网最低" → ✅ Remove or provide verifiable evidence

## API Reference

### POST /check
Scan content for compliance violations.

**Request:**
```json
{
  "content": "Text to check",
  "platform": "douyin|baidu|xiaohongshu|taobao|wechat",
  "check_seo": true
}
```

**Response:**
```json
{
  "compliant": false,
  "violations": [
    {
      "word": "最好",
      "category": "absolute_claim",
      "severity": "high",
      "suggestion": "优秀/领先",
      "position": 15
    }
  ],
  "seo_score": 72,
  "seo_suggestions": ["Add keywords to title", "Meta description too long"]
}
```

### GET /suggestions
Get platform-specific compliance suggestions.

### GET /health
API health check endpoint.

## Baidu SEO Specific Rules

### ICP Filing (备案)
- **Required**: All websites hosted in mainland China must have ICP filing
- **Impact**: Baidu deprioritizes or completely ignores sites without ICP
- **How to file**: Through your hosting provider (takes 10-20 business days)
- **Check status**: https://beian.miit.gov.cn

### Baidu Webmaster Tools
- **URL**: https://ziyuan.baidu.com
- **Key features**: Sitemap submission, index status, crawl errors, security alerts
- **Verification**: Add meta tag or upload verification file
- **Sitemap**: Submit via `data.zz.baidu.com/urls?site=YOUR_SITE&token=YOUR_TOKEN`

### Baidu vs Google SEO Differences
| Factor | Google | Baidu |
|--------|--------|-------|
| ICP Filing | Not needed | **Required** |
| HTTPS | Ranking signal | Not a signal |
| Page Speed | Core Web Vitals | Less important |
| JavaScript | Renders well | **Poor rendering** |
| Backlinks | Very important | Important but less |
| Domain Age | Neutral | **Important** |
| Baidu Products | N/A | **Strong ranking boost** |

## Next Best Skill

- **Primary**: [cn-geo-monitor](https://github.com/lm203688/china-compliance-skills-mirror/tree/main/skills/cn-geo-monitor) — after compliance is clean, optimize for AI search visibility in Chinese AI engines (DeepSeek/Kimi/豆包/通义/文心)
- **Related**: [cn-global-compliance](https://github.com/lm203688/china-compliance-skills-mirror/tree/main/skills/cn-global-compliance) — for cross-border data compliance (GDPR/CCPA/PIPL)

## Safety Notes

- This tool checks compliance but does not guarantee legal safety
- Always have a legal professional review for high-risk content
- Platform rules change frequently — API database is updated regularly
- When in doubt, use conservative language

## 📦 Open Source Skill Library

This skill is part of **[China Compliance Skills](https://github.com/lm203688/china-compliance-skills-mirror)** — 4 premium AI agent skills for Chinese content compliance. Star ⭐ the repo to support!