Weekly report · 2008-W50
The state of AI crawling
Measured on 30,183 reachable domains for the week ending 2008-12-14. 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% | 2,141 of 30,183 | new |
| CCBot | Common Crawl Foundation | archive | 6.8% | 2,065 of 30,183 | new |
| Bytespider | ByteDance | training | 6.5% | 1,948 of 30,183 | new |
| ClaudeBot | Anthropic | training | 5.8% | 1,742 of 30,183 | new |
| Meta-ExternalAgent | Meta | training | 4.7% | 1,423 of 30,183 | new |
| Amazonbot | Amazon | training | 4.7% | 1,408 of 30,183 | new |
| Google-Extended | training | 4.6% | 1,388 of 30,183 | new | |
| Applebot-Extended | Apple | training | 4.6% | 1,375 of 30,183 | new |
| anthropic-ai | Anthropic | training | 4.4% | 1,318 of 30,183 | new |
| omgilibot | Webz.io | training | 4.3% | 1,287 of 30,183 | new |
| cohere-ai | Cohere | live retrieval | 4.1% | 1,224 of 30,183 | new |
| Diffbot | Diffbot | training | 4.0% | 1,220 of 30,183 | new |
| omgili | Webz.io | training | 3.9% | 1,170 of 30,183 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,124 of 30,183 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,050 of 30,183 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,049 of 30,183 | new |
| FacebookBot | Meta | training | 3.2% | 977 of 30,183 | new |
| YouBot | You.com | answer index | 2.9% | 888 of 30,183 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 853 of 30,183 | new |
| Timpibot | Timpi | training | 2.7% | 829 of 30,183 | new |
| Scrapy | Zyte (open-source framework) | training | 2.5% | 744 of 30,183 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 697 of 30,183 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 642 of 30,183 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 614 of 30,183 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 557 of 30,183 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 514 of 30,183 | new |
| PanguBot | Huawei | training | 1.7% | 513 of 30,183 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 491 of 30,183 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 474 of 30,183 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 463 of 30,183 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 462 of 30,183 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 440 of 30,183 | new |
| Google-CloudVertexBot | live retrieval | 1.4% | 421 of 30,183 | new | |
| GoogleOther | training | 1.3% | 382 of 30,183 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 358 of 30,183 | new |
| Applebot | Apple | answer index | 1.1% | 339 of 30,183 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 253 of 30,183 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 227 of 30,183 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 161 of 30,183 | new |
| MistralAI-Training | Mistral AI | training | 0.5% | 138 of 30,183 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 75 of 30,183 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 53 of 30,183 | new |
| Bingbot | Microsoft | answer index | 0.1% | 40 of 30,183 | new |
| Googlebot-News | answer index | 0.1% | 35 of 30,183 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 30,183 | new |
| msnbot | Microsoft | answer index | 0.1% | 21 of 30,183 | new |
| Googlebot | answer index | 0.1% | 16 of 30,183 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 10 of 30,183 | 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-W50", 2008-12-14. https://crawlcensus.com/report/2008-W50Machine-readable: census totals, full corpus, crawler registry. Method: methodology.