What is Baiduspider?

How often is Baiduspider impersonated?

For the median organisation, 2% of requests claiming to be Baiduspider failed verification.

Measured between 3 July 2026 and 28 September 2026 across organisations protected by Centinel. We only publish a share when at least five organisations each saw enough of these requests. Pooled across all of their requests, the share was under 1%: a few large organisations carry most of the traffic, so the median organisation is the better guide to what yours will see.

This directory measures requests between 3 July 2026 and 28 September 2026. The fake crawler report covers its own, earlier window (late June to 21 September 2026), so its figures differ from the ones here. Read it for the method.

Have a request that claims to be Baiduspider? Check its IP address.

Should you block Baiduspider?

Allow it if

you have visitors who search with Baidu.

Block it if

you have no audience on Baidu and the crawl adds load.

What blocking changes

Baidu says your pages can then no longer be found in Baidu search or in the search engines Baidu powers.

To block it, add this group to your robots.txt. Baidu says Baiduspider obeys robots.txt.

User-agent: Baiduspider
Disallow: /

robots.txt only asks. It does nothing against a client that ignores it or only pretends to be Baiduspider. Stopping those takes verification at your edge.