Metadata

name: china-seo-baidu
description: Optimize websites for Baidu search engine (百度SEO). Teach AI agents how to implement Baidu-specific SEO techniques including Baidu Webmaster Tools setup, ICP filing requirements, Baidu sitemap submission, Baidu Smart Mini Program integration, and Baidu algorithm compliance. Covers: Baidu Webmaster Tools verification and submission, ICP filing for search indexing, Baidu-specific meta tags and structured data, Baidu Smart Mini Program (智能小程序) SEO, and Baidu algorithm penalty avoidance. Triggers on: 百度SEO, baidu SEO, 百度站长工具, baidu webmaster tools, ICP备案SEO, icp filing seo, 百度收录, baidu indexing, 百度sitemap, baidu sitemap, 百度智能小程序, baidu smart mini program, 百度排名, baidu ranking, 百度算法, baidu algorithm, 中国搜索引擎优化, china search engine optimization, 百度SEO优化, baidu SEO optimization

China SEO Baidu - 百度SEO优化专家

You are an expert at optimizing websites for Baidu, China's dominant search engine with ~70% market share. Baidu SEO differs significantly from Google SEO — you know every difference and how to exploit them.

Core Philosophy

Baidu is not Google. What works for Google often doesn't work for Baidu, and vice versa. You optimize specifically for Baidu's algorithms, requirements, and quirks.

Baidu vs Google SEO Differences

Aspect	Google	Baidu
ICP Filing	Not required	Required for ranking
HTTPS	Ranking signal	Neutral (not a signal)
Page Speed	Core Web Vitals	Less important
Mobile-first	Yes	Baidu Spider separate
JavaScript	Renders well	Poor rendering
Backlinks	Quality > Quantity	Quantity still matters
Content Length	Comprehensive	Longer = better
Domain Age	Minor factor	Major factor
Baidu Products	N/A	Self-preference
Sitemap	XML	XML + RSS + HTML
Indexing Speed	Hours	Days to weeks

Workflow 1: Baidu Webmaster Tools Setup

Step 1: Verify Site Ownership

<!-- Method 1: HTML tag verification -->
<meta name="baidu-site-verification" content="YOUR_CODE" />

<!-- Method 2: CNAME verification -->
# Add CNAME record: YOUR_CODE.baidu-verification.com → ziyuan.baidu.com

<!-- Method 3: File verification -->
# Upload baidu_verify_YOUR_CODE.html to root

Step 2: Submit Sitemap

# Submit via Baidu Webmaster API
curl "http://data.zz.baidu.com/urls?site=https://example.com&token=YOUR_TOKEN" \
  -H "Content-Type:text/plain" \
  --data-binary @urls.txt

# Or submit sitemap.xml in Webmaster Tools
# https://ziyuan.baidu.com/linksubmit/url

Step 3: Monitor Indexing

# Check indexed pages
site:example.com  # In Baidu search

# Use Baidu Webmaster Tools
# https://ziyuan.baidu.com → 抓取诊断 → 索引量

Workflow 2: ICP Filing for SEO

Why ICP Matters for Baidu

Without ICP: Baidu may not index your site, or index very slowly
With ICP: Faster indexing, higher trust, better rankings
ICP is required by law for any website hosted in mainland China

ICP Filing Process

1. Choose a hosting provider in China (Aliyun, Tencent Cloud, Huawei Cloud)
2. Submit ICP filing through provider's portal
3. Prepare documents:
   - Business license (企业) or ID card (个人)
   - Domain certificate
   - Server information
   - Website name and description
   - Emergency contact
4. Wait 10-20 business days for approval
5. Display ICP number in website footer

ICP Display (Required)

<!-- Footer of every page -->
<footer>
  <a href="https://beian.miit.gov.cn/">京ICP备XXXXXXXX号-1</a>
  <!-- If using CDN/Cloud, also need 公安备案 -->
  <a href="http://www.beian.gov.cn/">京公网安备XXXXXXXXXXXXX号</a>
</footer>

Workflow 3: Baidu-Specific Meta Tags

<head>
  <!-- Baidu-specific meta tags -->
  <meta name="applicable-device" content="pc,mobile">
  
  <!-- Baidu mobile adaptation -->
  <meta name="mobile-agent" content="format=html5; url=https://m.example.com/page">
  
  <!-- Baidu no-transform (prevent Baidu from transcoding your mobile page) -->
  <meta http-equiv="Cache-Control" content="no-transform">
  <meta http-equiv="Cache-Control" content="no-siteapp">
  
  <!-- Baidu search result display -->
  <title>关键词 - 品牌名</title>  <!-- Baidu weights title heavily -->
  <meta name="description" content="...">  <!-- Baidu uses this for snippet -->
  <meta name="keywords" content="...">  <!-- Baidu still uses this! Unlike Google -->
  
  <!-- Open Graph for Baidu (different from Facebook OG) -->
  <meta property="baidu:page:type" content="article">
</head>

Baidu Structured Data

<!-- Baidu uses different structured data format than Google -->
<script type="application/ld+json">
{
  "@context": "https://ziyuan.baidu.com/contexts/cambrian.jsonld",
  "@id": "https://example.com/article/123",
  "appid": "YOUR_BAIDU_APPID",
  "title": "文章标题",
  "images": ["https://example.com/img1.jpg"],
  "description": "文章描述",
  "pubDate": "2026-05-26T08:00:00+08:00",
  "upDate": "2026-05-26T10:00:00+08:00"
}
</script>

Workflow 4: Baidu Smart Mini Program SEO

Why Smart Mini Program

Baidu gives ranking boost to sites with Smart Mini Programs
Appears in Baidu search results with special UI
Access to Baidu's 600M+ monthly active users

Setup

# Install Baidu Smart Mini Program CLI
npm install -g @baidu/smartapp-cli

# Create project
smartapp create my-app

# Preview
smartapp preview --project ./my-app

# Upload
smartapp upload --project ./my-app --desc "版本描述"

Web-SmartApp Adaptation

<!-- Add to your website head for Baidu SmartApp adaptation -->
<script src="https://bce.bdstatic.com/smartapp/xxx/swan-2.0.js"></script>
<script>
swan.webView.getEnv(function(res) {
  if (res.smartprogram) {
    // Running inside Baidu SmartApp
    swan.setNavigationBarTitle({ title: '页面标题' });
  }
});
</script>

Workflow 5: Baidu Algorithm Penalty Avoidance

Common Penalties

Penalty Type	Cause	Recovery Time
降权 (Ranking drop)	Over-optimization, keyword stuffing	1-3 months
K站 (De-indexing)	Spam, cloaking, malicious content	3-6 months
沙盒期 (Sandbox)	New domain, lack of trust	1-3 months
收录下降	Low quality content, duplicate content	1-2 months

Penalty Check

# Check if site is penalized
# 1. Search site:example.com — if pages disappear, likely penalized
# 2. Check Baidu Webmaster Tools → 安全检测
# 3. Check Baidu Webmaster Tools → 抓取异常

# Common causes:
# - Hidden text/links
# - Doorway pages
# - Link buying/selling
# - Content scraping
# - Keyword stuffing in title/description
# - Multiple domains pointing to same content

Recovery Steps

1. Identify the penalty type via Webmaster Tools
2. Fix the violating content/techniques
3. Submit reconsideration via Webmaster Tools
4. Wait patiently (Baidu is slower than Google to respond)
5. Continue producing quality content during wait

Safety Rules

ICP first — never try to rank on Baidu without ICP filing
No black-hat — Baidu penalties are harsher and longer than Google
JavaScript caution — Baidu Spider doesn't render JS well; use SSR or pre-render
Content quality — Baidu manually reviews top-ranking sites
Baidu ecosystem — leverage Baidu products (知道, 百科, 贴吧) for backlinks
Mobile mandatory — Baidu has separate mobile index; mobile optimization is critical
Domain age matters — new domains enter sandbox; consider buying aged domains

Quick Reference

Task	Tool/URL	Action
Webmaster Tools	ziyuan.baidu.com	Verify site, submit sitemap
ICP Filing	beian.miit.gov.cn	File through hosting provider
Index Check	site:domain.com	Check indexed pages
Speed Test	ce.baidu.com	Baidu speed test tool
Smart Mini Program	smartprogram.baidu.com	Create mini program
Penalty Check	ziyuan.baidu.com → 安全检测	Check for penalties
Link Submit	data.zz.baidu.com/urls	Push URLs for indexing

China SEO Baidu

安装技能