Caution AI & LLM Bots

ChatGLM Spider

Operated by Zhipu AI

Quick Facts

User-Agent:
ChatGLM-Spider
Category:
AI & LLM Bots
Operator:
Zhipu AI
Safety:
Use Caution
Blocking Impact:
Low - No SEO ranking impact
SEO Impact Score:
2/10
Official docs:
www.zhipuai.cn

What is ChatGLM Spider?

ChatGLM Spider is an AI data-collection crawler operated by Zhipu AI. It gathers public web content to build or refine training datasets for large language models. Like other AI training crawlers, ChatGLM Spider does not influence your search-engine rankings, so you can block it via robots.txt without any SEO penalty if you wish to opt out of AI training.

ChatGLM Spider is an AI data-collection crawler operated by Zhipu AI. It gathers public web content to build or refine training datasets for large language models. Like other AI training crawlers, ChatGLM Spider does not influence your search-engine rankings, so you can block it via robots.txt without any SEO penalty if you wish to opt out of AI training. ChatGLM Spider uses the user-agent token ChatGLM-Spider. You can control it via robots.txt, meta tags (noai), or the emerging llms.txt standard. Robots.txt is voluntary; for hard enforcement, combine it with server-level IP blocking.

What happens if you block ChatGLM Spider?

✅ **No SEO Impact** - Blocking ChatGLM Spider does not affect your rankings in Google, Bing, or any other search engine. ChatGLM Spider is an AI crawler, not a traditional search indexer. You can freely block it via User-agent / Disallow: / without any SEO penalty.
Generally safe to allow; provides legitimate crawling value.

How to block ChatGLM Spider with robots.txt

<code>User-agent: ChatGLM-Spider</code> - Matching is case-insensitive. Robots.txt is fetched from the root of each subdomain separately.

Block completely (robots.txt)
User-agent: ChatGLM-Spider Disallow: /
Allow all (robots.txt)
User-agent: ChatGLM-Spider Allow: /
Block private only (robots.txt)
User-agent: ChatGLM-Spider Disallow: /private/ Disallow: /api/ Disallow: /admin/ Allow: /
Nginx server block
# Nginx: Hard-block ChatGLM Spider if ($http_user_agent ~* "ChatGLM-Spider") { return 403 "Bot blocked"; }
Apache .htaccess
# Apache: Hard-block ChatGLM Spider SetEnvIfNoCase User-Agent "ChatGLM-Spider" bad_bot Order Allow,Deny Allow from all Deny from env=bad_bot
Meta robots tag
<meta name="robots" content="noindex, nofollow">
X-Robots-Tag header
X-Robots-Tag: noindex, nofollow

Is ChatGLM Spider safe to allow?

ChatGLM Spider is **generally legitimate but warrants caution**. It is operated by Zhipu AI. Review its crawl behaviour in your logs and apply robots.txt or rate-limiting if its activity is heavier than you expect.
Verify by reverse-DNS lookup: legitimate ChatGLM Spider requests resolve to Zhipu AI's domain.

What does ChatGLM Spider do?

Understanding ChatGLM Spider's purpose helps you decide whether to allow or block it.

  • Collects public web content to train large language models
  • Builds and refreshes AI training datasets
  • Harvests text, code, and structured data for model improvement
  • Does NOT affect search-engine rankings
  • Can be blocked to opt out of AI training without SEO loss

Frequently Asked Questions

What is the official user-agent string for ChatGLM Spider?
The official user-agent string for ChatGLM Spider is: ChatGLM-Spider. Use this exact string in robots.txt, Nginx, Apache, or Cloudflare firewall rules to target this bot. Matching in robots.txt is case-insensitive. Verify a request genuinely comes from ChatGLM Spider by performing a reverse-DNS lookup on the source IP.
Is ChatGLM Spider safe?
ChatGLM Spider is **generally legitimate but warrants caution**. It is operated by Zhipu AI. Review its crawl behaviour in your logs and apply robots.txt or rate-limiting if its activity is heavier than you expect.
Will blocking ChatGLM Spider hurt my SEO?
✅ **No SEO Impact** - Blocking ChatGLM Spider does not affect your rankings in Google, Bing, or any other search engine. ChatGLM Spider is an AI crawler, not a traditional search indexer. You can freely block it via User-agent / Disallow: / without any SEO penalty.
How do I block ChatGLM Spider in robots.txt?
Add the following lines to your /robots.txt file: 
User-agent: ChatGLM-Spider
Disallow: /
This instructs ChatGLM Spider not to crawl any path on your site. To block only specific sections, replace / with the path (e.g., Disallow: /blog/).
Does ChatGLM Spider respect robots.txt?
ChatGLM Spider is operated by Zhipu AI and is expected to fetch and parse /robots.txt before crawling, following RFC 9309. For hard enforcement, combine robots.txt with server-level IP or user-agent blocking.
How do I verify if ChatGLM Spider is crawling my site?
Search your web server access logs for the string ChatGLM-Spider (case-insensitive: grep -i "ChatGLM-Spider" /var/log/nginx/access.log). Filter by user-agent in your log analytics tool (GoAccess, AWStats, etc.).

Related Bots