Does yumpu.com block AI crawlers?

Can AI assistants cite yumpu.com?

• ChatGPT search: its search crawlers may read the site
• Claude: its search crawlers may read the site
• Perplexity: its search crawler is blocked

yumpu.com opts out of AI training by OpenAI, Anthropic, Google, Apple, Common Crawl, ByteDance, Meta. Training crawlers and answer crawlers are separate: blocking training doesn't by itself remove a site from AI answers.

AI crawler access, bot by bot

How yumpu.com compares

• 19% of the 1,278 popular sites we checked block GPTBot; yumpu.com is one of them.
• 18% of the 1,278 popular sites we checked block ClaudeBot; yumpu.com is one of them.
• 14% of the 1,278 popular sites we checked block PerplexityBot; yumpu.com is one of them.
• Among 169 sites of similar popularity, 25% block at least one AI crawler.

The robots.txt rules that apply to AI crawlers

User-agent: *
Disallow: /document/forward/
Disallow: /*/document/forward/
Disallow: /document/forward_mail/
Disallow: /*/document/forward_mail/
Disallow: /document/inappropriate/
Disallow: /*/document/inappropriate/
Disallow: /document/embed_generator_code/
Disallow: /*/document/embed_generator_code/
Disallow: /document/embed_generator/
Disallow: /*/document/embed_generator/
Disallow: /document/readers/
Disallow: /*/document/readers/
Disallow: /document/rating/
Disallow: /*/document/rating/
Disallow: /document/search_text/
Disallow: /*/document/search_text/
Disallow: /document/search_words/
Disallow: /*/document/search_words/
Disallow: /document/search/
Disallow: /*/document/search/
Disallow: /document/tag/
Disallow: /*/document/tag/
Disallow: /document/progress/
Disallow: /*/document/progress/
Disallow: /document/create/
Disallow: /*/document/create/
Disallow: /document/edit/
Disallow: /*/document/edit/
Disallow: /document/delete/
Disallow: /*/document/delete/
Disallow: /document/view_more/
Disallow: /*/document/view_more/
Disallow: /document/views/
Disallow: /*/document/views/
Disallow: /document/comments/
Disallow: /*/document/comments/
Disallow: /embed/view/
Disallow: /*/embed/view/
Disallow: /utils/
Disallow: /*/utils/

User-agent: GPTBot
Disallow: /

User-agent: anthropic-ai
User-agent: ClaudeBot
User-agent: Claude-Web
Disallow: /

User-agent: Google-Extended
User-agent: Google-CloudVertexBot
User-agent: CloudVertexBot
User-agent: Google-Firebase
User-agent: GoogleOther
User-agent: GoogleOther-Image
User-agent: GoogleOther-Video
Disallow: /

User-agent: Applebot-Extended
Disallow: /

User-agent: meta-externalagent
User-agent: Meta-ExternalAgent
User-agent: Meta-ExternalFetcher
User-agent: FacebookBot
Disallow: /

User-agent: CCBot
Disallow: /

User-agent: Bytespider
User-agent: TikTokSpider
Disallow: /

User-agent: AI2Bot
User-agent: Ai2Bot-Dolma
User-agent: aiHitBot
User-agent: Brightbot 1.0
User-agent: ChatGLM-Spider
User-agent: cohere-ai
User-agent: cohere-training-data-crawler
User-agent: Cotoyogi
User-agent: Datenbank Crawler
User-agent: DeepSeekBot
User-agent: Diffbot
User-agent: Factset_spyderbot
User-agent: FriendlyCrawler
User-agent: iaskspider
User-agent: iaskspider/2.0
User-agent: ICC-Crawler
User-agent: Kangaroo Bot
User-agent: netEstate Imprint Crawler
User-agent: omgili
User-agent: omgilibot
User-agent: PanguBot
User-agent: Panscient
User-agent: panscient.com
User-agent: PerplexityBot
User-agent: SBIntuitionsBot
User-agent: Sidetrade indexer bot
User-agent: Timpibot
User-agent: VelenPublicWebCrawler
User-agent: Webzio-Extended
Disallow: /

Excerpt: only groups for all user-agents (*) or named AI crawlers, up to 40 rules per group.

Sites with a similar AI policy

• thetimes.co.uk · 9 blocked
• france24.com · 9 blocked
• irishtimes.com · 2 blocked
• hellotalk8.com · 12 blocked
• ctvnews.ca · 5 blocked
• nrk.no · 12 blocked
• medscape.com · 5 blocked
• imageshack.us · 12 blocked

All sites that are “blocks ai training and ai answers” →