China SEO Glossary: 50+ Essential Terms (EN ↔ 中文)

Decode the language of China’s digital landscape – from technical crawlers to legal must‑knows. Bookmark this page for quick reference.

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Open book with Chinese characters and SEO terms

Navigating China’s search ecosystem requires mastering a unique vocabulary. This glossary brings together over 50 terms spanning technical, marketing, legal, and platform‑specific jargon. Each entry includes the English term, its Chinese equivalent, and a concise definition.

Insider Tip: Use the tabs below to filter by category. The Chinese terms are written in Simplified Chinese (zh‑CN) – the standard for mainland China.

Glossary by Category

Term (English / 中文) Definition
Baiduspider / 百度蜘蛛Baidu’s web crawler that indexes pages for search.
Tongji / 百度统计Baidu’s analytics platform (similar to Google Analytics).
ICP License / ICP备案Required filing for websites hosted in China or using a China CDN.
Beian / 备案The official filing process with Chinese authorities.
CDN / 内容分发网络Content Delivery Network; crucial for fast loading in China.
.CN domain / .CN域名Country-code top-level domain for China; requires real-name verification.
Great Firewall / 防火长城China’s internet censorship and filtering system.
Latency / 延迟Delay in data transmission; high latency hurts Baidu ranking.
Server in China / 国内服务器Hosting server physically located in mainland China.
DNS poisoning / DNS污染Disruption of DNS resolution, often used to block sites.
TTL / 生存时间Time To Live for DNS records; affects failover speed.
SSL certificate / SSL证书Enables HTTPS; China has its own root certificate authorities.
Term (English / 中文) Definition
KOC / 关键意见消费者Key Opinion Consumer; everyday users who influence peers.
KOL / 关键意见领袖Key Opinion Leader; influencer with large following.
Douyin / 抖音Chinese version of TikTok; powerful social search.
Xiaohongshu / 小红书Little Red Book; social commerce and search platform.
WeChat / 微信Super app with integrated search (WeChat Search).
Baidu Index / 百度指数Baidu’s keyword research and trend tool.
SEM / 搜索引擎营销Search Engine Marketing (paid search).
Paid listing / 竞价排名Baidu’s pay-per-click advertising model.
Optimization / 优化General term for SEO (搜索引擎优化).
Long-tail keywords / 长尾关键词Specific, longer search phrases with lower competition.
Authority / 权重Domain authority in Baidu’s algorithm.
Inclusion / 收录When a page is added to Baidu’s index.
Ranking / 排名Search result position.
Crawl / 蜘蛛抓取Process of a search bot fetching a page.
Backlinks / 外链External links pointing to your site.
Friendship links / 友情链接Mutual link exchanges, a common tactic in China.
Term (English / 中文) Definition
PIPL / 个人信息保护法Personal Information Protection Law; China’s comprehensive data privacy law.
Cybersecurity Law / 网络安全法Law regulating network security and data localization.
Data localization / 数据本地化Requirement to store certain data on servers within China.
Cross-border data transfer / 跨境数据传输Transferring data out of China; subject to strict rules.
Privacy policy / 隐私政策Mandatory disclosure of data practices under PIPL.
User consent / 用户同意Must be obtained before collecting personal information.
Real-name verification / 实名认证Requirement for many online services (e.g., forums, domains).
Internet real-name / 网络实名Broader real-name system for internet users.
CAC / 网信办Cyberspace Administration of China; main internet regulator.
Term (English / 中文) Definition
Baidu Webmaster Tools / 百度站长平台Official tools for site verification, crawl stats, and indexing.
Baidu Search / 百度搜索China’s dominant search engine (>60% market share).
Shenma / 神马搜索Mobile search engine by UC Web and Alibaba.
Sogou / 搜狗搜索Popular search engine with WeChat integration.
360 Search / 360搜索Search engine by Qihoo 360, often pre-installed on browsers.
WeChat Search / 微信搜索In-app search indexing official accounts and articles.
Douyin Search / 抖音搜索Social search within Douyin’s video platform.
Baidu Translate / 百度翻译Translation tool useful for keyword research.
Baidu Maps / 百度地图Mapping service with local business listings (local SEO).
Tianyancha / 天眼查Business data platform; often used to verify company authority.
Term (English / 中文) Definition
Landing page / 落地页Page where users arrive after clicking a search result or ad.
Conversion rate / 转化率Percentage of visitors who complete a desired action.
Bounce rate / 跳出率Percentage of visitors who leave without interaction.
Page load time / 页面加载时间Critical factor for Baidu ranking, especially on mobile.
Mobile-first / 移动优先Baidu predominantly uses the mobile version of a page for indexing.
Responsive design / 响应式设计Design that adapts to all screen sizes.
Simplified Chinese / 简体中文Standard written script for mainland China (zh-CN).

How to Use This Glossary

Bookmark this page and refer back when you encounter unfamiliar terms. For deeper dives, explore our technical guides and resources. If you spot a term we missed, let us know.

Note: Chinese internet landscape evolves rapidly. Always verify compliance terms (like PIPL) with a legal professional.