Weekly report · 2008-W49
The state of AI crawling
Measured on 30,183 reachable domains for the week ending 2008-12-07. 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.
30,183
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% | 2,144 of 30,182 | new |
| CCBot | Common Crawl Foundation | archive | 6.9% | 2,068 of 30,182 | new |
| Bytespider | ByteDance | training | 6.5% | 1,950 of 30,182 | new |
| ClaudeBot | Anthropic | training | 5.8% | 1,745 of 30,182 | new |
| Meta-ExternalAgent | Meta | training | 4.7% | 1,425 of 30,182 | new |
| Amazonbot | Amazon | training | 4.7% | 1,410 of 30,182 | new |
| Google-Extended | training | 4.6% | 1,391 of 30,182 | new | |
| Applebot-Extended | Apple | training | 4.6% | 1,377 of 30,182 | new |
| anthropic-ai | Anthropic | training | 4.4% | 1,321 of 30,182 | new |
| omgilibot | Webz.io | training | 4.3% | 1,288 of 30,182 | new |
| cohere-ai | Cohere | live retrieval | 4.1% | 1,224 of 30,182 | new |
| Diffbot | Diffbot | training | 4.0% | 1,221 of 30,182 | new |
| omgili | Webz.io | training | 3.9% | 1,171 of 30,182 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,126 of 30,182 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,051 of 30,182 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,051 of 30,182 | new |
| FacebookBot | Meta | training | 3.2% | 979 of 30,182 | new |
| YouBot | You.com | answer index | 2.9% | 888 of 30,182 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 853 of 30,182 | new |
| Timpibot | Timpi | training | 2.7% | 829 of 30,182 | new |
| Scrapy | Zyte (open-source framework) | training | 2.5% | 744 of 30,182 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 698 of 30,182 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 644 of 30,182 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 614 of 30,182 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 556 of 30,182 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 515 of 30,182 | new |
| PanguBot | Huawei | training | 1.7% | 513 of 30,182 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 492 of 30,182 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 476 of 30,182 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 463 of 30,182 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 463 of 30,182 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 441 of 30,182 | new |
| Google-CloudVertexBot | live retrieval | 1.4% | 420 of 30,182 | new | |
| GoogleOther | training | 1.3% | 382 of 30,182 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 357 of 30,182 | new |
| Applebot | Apple | answer index | 1.1% | 340 of 30,182 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 253 of 30,182 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 228 of 30,182 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 161 of 30,182 | new |
| MistralAI-Training | Mistral AI | training | 0.5% | 138 of 30,182 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 75 of 30,182 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 53 of 30,182 | new |
| Bingbot | Microsoft | answer index | 0.1% | 40 of 30,182 | new |
| Googlebot-News | answer index | 0.1% | 35 of 30,182 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 30,182 | new |
| msnbot | Microsoft | answer index | 0.1% | 21 of 30,182 | new |
| Googlebot | answer index | 0.1% | 16 of 30,182 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 10 of 30,182 | 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-W49", 2008-12-07. https://crawlcensus.com/report/2008-W49Machine-readable: census totals, full corpus, crawler registry. Method: methodology.