What is Baidu-ADS?
Baidu-ADS is Baidu's Anti-DDoS Service proxy that filters and scrubs web traffic during detected DDoS attacks, routing sanitized requests back to target servers for protection. You can set up Agent Analytics to see when Baidu-ADS visits your website.
Category
| Operated By | Baidu |
| Triggered By | Scheduled or requested scan |
| Used for AI Model Training | Not expected |
| Affects AI Chat & Search Visibility | Not directly |
| Expected To Follow Robots.txt | Yes |
Why Is Baidu-ADS Visiting My Website?
Baidu-ADS is scanning your site for vulnerabilities, either as part of an internet-wide sweep or because someone requested an assessment of your domain. Recurring visits often indicate that a monitoring service has added your site to its checks.
Should I Block Baidu-ADS?
Usually not, unless you already run your own security scans and want cleaner logs. Baidu-ADS checks for exposed vulnerabilities, and some services report their findings to site owners at no cost. For context, 7% of the top websites we track currently have robots.txt rules for Baidu-ADS.
How Do I Block Baidu-ADS Using Robots.txt?
Add this rule to your robots.txt file to block Baidu-ADS from accessing your website, or use Automatic Robots.txt to block all security scanners at once. You can customize which pages are blocked by swapping out / for a different path.
User-agent: Baidu-ADS # https://knownagents.com/agents/baidu-ads
Disallow: /Insights for Baidu-ADS
As of October 29, 2026, this data reflects agent visits measured across thousands of websites using Agent Analytics, combined with daily scans of the top 1000 websites and their robots.txt files.
Robots.txt Compliance
Country of Origin
Robots.txt Blocked Percentage
Baidu-ADS Traffic
Frequently Asked Questions
What Traffic Patterns Should I Expect From Baidu-ADS?
Baidu-ADS's cadence depends on how the scan is configured. Continuous monitoring may run daily or hourly, while a one-time or internet-wide scan may sweep once and disappear.
Does Baidu-ADS Follow Robots.txt Rules?
Baidu-ADS is expected to follow robots.txt rules, so a disallow rule is the appropriate first step if you want to block it. Automatic Robots.txt can add and maintain that rule, while Agent Analytics lets you verify whether Baidu-ADS respects it.
Is Baidu-ADS Used for AI Model Training?
Not ordinarily. Baidu-ADS is not categorized as an AI training scraper or data provider, so AI model training is not its expected purpose.
Does Blocking Baidu-ADS Affect AI Search or Citations?
Not directly. Baidu-ADS's expected purpose is not to supply an AI search index or retrieve pages for AI-generated answers.
Does Baidu-ADS Access Private Content?
It deliberately looks for exposed private content. Baidu-ADS tests login pages, admin panels, and API endpoints for vulnerabilities. Probing does not mean it gained access, but you should expect requests to sensitive paths in your logs.
How Can I Verify a Request From Baidu-ADS?
Agent Analytics tracks Baidu-ADS visits in real time. You can also check your server logs for requests whose user-agent string contains "Baidu-ADS". Look for bursts of requests to uncommon paths that ordinary visitors rarely access. Because Baidu-ADS does not publish a verification method, any client can claim its identity and a log match is only a clue.
How Is Baidu-ADS Different From Other Baidu Agents?
Baidu operates separate agents for different purposes, so each agent should be evaluated and controlled independently.
- YiyanBot: YiyanBot is a web crawler operated by Baidu that fetches web content for the yiyan.baidu.com assistant and related ERNIE-generated answers.
- ERNIEBot: ERNIEBot is a web crawler operated by Baidu that downloads website content to support ERNIE training and generated answers across Baidu services.
- Baiduspider: Baiduspider is Baidu's web crawler that indexes web content for China's largest search engine, crawling and analyzing websites to provide search results for Baidu users.
- Baiduspider-render: Baiduspider-render is a web crawler operated by Baidu, China's largest search engine, specifically designed to render and index JavaScript-heavy pages. This variant proce…