Weekly report · 2005-W51
The state of AI crawling
Measured on 30,328 reachable domains for the week ending 2005-12-25. 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.
30,328
domains measured
7%
block an answer engine
20%
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% | 2,162 of 30,327 | new |
| CCBot | Common Crawl Foundation | archive | 6.8% | 2,052 of 30,327 | new |
| Bytespider | ByteDance | training | 6.5% | 1,979 of 30,327 | new |
| ClaudeBot | Anthropic | training | 5.8% | 1,762 of 30,327 | new |
| Meta-ExternalAgent | Meta | training | 4.7% | 1,431 of 30,327 | new |
| Amazonbot | Amazon | training | 4.7% | 1,429 of 30,327 | new |
| Applebot-Extended | Apple | training | 4.7% | 1,415 of 30,327 | new |
| Google-Extended | training | 4.7% | 1,411 of 30,327 | new | |
| anthropic-ai | Anthropic | training | 4.4% | 1,336 of 30,327 | new |
| omgilibot | Webz.io | training | 4.4% | 1,327 of 30,327 | new |
| Diffbot | Diffbot | training | 4.1% | 1,250 of 30,327 | new |
| cohere-ai | Cohere | live retrieval | 4.1% | 1,247 of 30,327 | new |
| omgili | Webz.io | training | 4.0% | 1,213 of 30,327 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,133 of 30,327 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,061 of 30,327 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,059 of 30,327 | new |
| FacebookBot | Meta | training | 3.2% | 981 of 30,327 | new |
| YouBot | You.com | answer index | 3.0% | 909 of 30,327 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 852 of 30,327 | new |
| Timpibot | Timpi | training | 2.8% | 837 of 30,327 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 737 of 30,327 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 706 of 30,327 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 646 of 30,327 | new |
| cohere-training-data-crawler | Cohere | training | 2.1% | 623 of 30,327 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 532 of 30,327 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 527 of 30,327 | new |
| PanguBot | Huawei | training | 1.7% | 520 of 30,327 | new |
| Claude-User | Anthropic | live retrieval | 1.7% | 509 of 30,327 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 486 of 30,327 | new |
| Perplexity-User | Perplexity | live retrieval | 1.6% | 480 of 30,327 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 464 of 30,327 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 460 of 30,327 | new |
| Google-CloudVertexBot | live retrieval | 1.4% | 437 of 30,327 | new | |
| GoogleOther | training | 1.3% | 403 of 30,327 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 363 of 30,327 | new |
| Applebot | Apple | answer index | 1.2% | 352 of 30,327 | new |
| TikTokSpider | ByteDance | live retrieval | 0.9% | 260 of 30,327 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 243 of 30,327 | new |
| Amzn-User | Amazon | live retrieval | 0.6% | 183 of 30,327 | new |
| MistralAI-Training | Mistral AI | training | 0.5% | 166 of 30,327 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 92 of 30,327 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 56 of 30,327 | new |
| Bingbot | Microsoft | answer index | 0.1% | 38 of 30,327 | new |
| Googlebot-News | answer index | 0.1% | 35 of 30,327 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 23 of 30,327 | new |
| msnbot | Microsoft | answer index | 0.1% | 19 of 30,327 | new |
| Googlebot | answer index | 0.0% | 15 of 30,327 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 11 of 30,327 | 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, 2005-W51", 2005-12-25. https://crawlcensus.com/report/2005-W51Machine-readable: census totals, full corpus, crawler registry. Method: methodology.