Weekly report · 2008-W40
The state of AI crawling
Measured on 30,178 reachable domains for the week ending 2008-10-05. Every figure is the result of an automated audit run the same way on every domain: read robots.txt, resolve the rules for 48 tracked agents, then send live requests as four of them.
30,178
domains measured
7%
block an answer engine
19%
refuse AI agents at the edge
14%
publish an llms.txt
Block rate by crawler with change on the previous week
| Crawler | Operator | Content used for | Block rate | Sites | Week on week |
|---|---|---|---|---|---|
| GPTBot | OpenAI | training | 7.1% | 2,149 of 30,175 | new |
| CCBot | Common Crawl Foundation | archive | 6.9% | 2,070 of 30,175 | new |
| Bytespider | ByteDance | training | 6.5% | 1,953 of 30,175 | new |
| ClaudeBot | Anthropic | training | 5.8% | 1,748 of 30,175 | new |
| Meta-ExternalAgent | Meta | training | 4.7% | 1,430 of 30,175 | new |
| Amazonbot | Amazon | training | 4.7% | 1,414 of 30,175 | new |
| Google-Extended | training | 4.6% | 1,393 of 30,175 | new | |
| Applebot-Extended | Apple | training | 4.6% | 1,381 of 30,175 | new |
| anthropic-ai | Anthropic | training | 4.4% | 1,323 of 30,175 | new |
| omgilibot | Webz.io | training | 4.3% | 1,291 of 30,175 | new |
| cohere-ai | Cohere | live retrieval | 4.1% | 1,224 of 30,175 | new |
| Diffbot | Diffbot | training | 4.1% | 1,224 of 30,175 | new |
| omgili | Webz.io | training | 3.9% | 1,173 of 30,175 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,125 of 30,175 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,053 of 30,175 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,053 of 30,175 | new |
| FacebookBot | Meta | training | 3.3% | 982 of 30,175 | new |
| YouBot | You.com | answer index | 2.9% | 889 of 30,175 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 853 of 30,175 | new |
| Timpibot | Timpi | training | 2.8% | 831 of 30,175 | new |
| Scrapy | Zyte (open-source framework) | training | 2.5% | 746 of 30,175 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 703 of 30,175 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 648 of 30,175 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 617 of 30,175 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 558 of 30,175 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 517 of 30,175 | new |
| PanguBot | Huawei | training | 1.7% | 516 of 30,175 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 496 of 30,175 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 480 of 30,175 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 466 of 30,175 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 465 of 30,175 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 443 of 30,175 | new |
| Google-CloudVertexBot | live retrieval | 1.4% | 421 of 30,175 | new | |
| GoogleOther | training | 1.3% | 383 of 30,175 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 358 of 30,175 | new |
| Applebot | Apple | answer index | 1.1% | 341 of 30,175 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 254 of 30,175 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 229 of 30,175 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 163 of 30,175 | new |
| MistralAI-Training | Mistral AI | training | 0.5% | 140 of 30,175 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 76 of 30,175 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 53 of 30,175 | new |
| Bingbot | Microsoft | answer index | 0.1% | 40 of 30,175 | new |
| Googlebot-News | answer index | 0.1% | 35 of 30,175 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 30,175 | new |
| msnbot | Microsoft | answer index | 0.1% | 21 of 30,175 | new |
| Googlebot | answer index | 0.1% | 16 of 30,175 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 10 of 30,175 | new |
Trend share of measured sites
Where the blocking is share blocking an answer engine, by top-level domain
Only TLDs with at least 40 measured domains are shown, and each bar carries its sample size. A TLD is a weak proxy for jurisdiction. Full segmentation.
Changes recorded this week 0 total
No crawler policy changes were recorded in this week.
Cite this CC BY 4.0
The figures on this page are frozen to the week shown and will not be edited after publication. Corrections are appended, not overwritten.
Crawl Census, "The state of AI crawling, 2008-W40", 2008-10-05. https://crawlcensus.com/report/2008-W40
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.