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nexus/wiki/concepts/ICP-备案.md
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---
title: "ICP 备案"
type: concept
tags: [china, compliance, regulations]
last_updated: 2026-04-21
---
## Definition
ICP 备案Internet Content Provider Registration是中国大陆互联网监管要求所有在中国大陆提供互联网信息服务的网站必须向工业和信息化部MIIT提交申请并获得备案号。备案号通常以字母+数字格式呈现,如 `京ICP备XXXXXXX号`
## Key Claims
- 无有效 ICP 备案的网站将被百度严厉惩罚或排除在搜索结果外
- ICP 备案是中国市场网站合法运营的先决条件
- 备案流程通常需要 4-20 个工作日
- 百度站长平台要求验证网站备案信息
## Relevance to Baidu SEO
- ICP 备案是百度衡量网站可信度的重要信号之一
- 备案信息与网站实际运营主体必须一致
- 百度可能将无备案或备案信息异常的网站降权
## Related Concepts
- [[百度生态系统]]
- [[移动端优先索引]]
- [[Baiduspider]]