Baidu · Search index

Baiduspider

Baiduspider is Baidu's crawler. This crawler fetches pages to build a search or answer index.

Crawler facts

Operator	Baidu
User agent token	`baiduspider`
Traffic type	Search index
Verification	UA + reverse DNS
IP source	Baidu publishes no IP list.
Reverse DNS suffixes	`.baidu.com.baidu.jp`

What "verified" means for Baiduspider

For Baiduspider, "verified" means DataSaaS forward-confirms the PTR record under Baidu's DNS suffix. A request that fails this reverse-DNS check is recorded as unverified.

Track it

Baiduspider fetches raw HTML and never runs JavaScript, so no browser tag can see it. Install the DataSaaS server-side package to record every request and verify the ones that publish IP ranges.

Read the bot-traffic setup guide

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