Weekly report · 2002-W21
The state of AI crawling
Measured on 30,030 reachable domains for the week ending 2002-05-26. 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.
30,030
domains measured
8%
block an answer engine
19%
refuse AI agents at the edge
15%
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 | 8.2% | 2,447 of 30,024 | new |
| CCBot | Common Crawl Foundation | archive | 7.9% | 2,363 of 30,024 | new |
| Bytespider | ByteDance | training | 7.6% | 2,291 of 30,024 | new |
| ClaudeBot | Anthropic | training | 6.9% | 2,062 of 30,024 | new |
| Meta-ExternalAgent | Meta | training | 6.0% | 1,795 of 30,024 | new |
| Applebot-Extended | Apple | training | 5.9% | 1,766 of 30,024 | new |
| Amazonbot | Amazon | training | 5.9% | 1,762 of 30,024 | new |
| Google-Extended | training | 5.9% | 1,761 of 30,024 | new | |
| anthropic-ai | Anthropic | training | 5.6% | 1,675 of 30,024 | new |
| omgilibot | Webz.io | training | 5.5% | 1,656 of 30,024 | new |
| Diffbot | Diffbot | training | 5.4% | 1,610 of 30,024 | new |
| cohere-ai | Cohere | live retrieval | 5.3% | 1,593 of 30,024 | new |
| omgili | Webz.io | training | 5.1% | 1,542 of 30,024 | new |
| SemrushBot-OCOB | Semrush | training | 3.5% | 1,054 of 30,024 | new |
| PerplexityBot | Perplexity | answer index | 3.4% | 1,017 of 30,024 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.3% | 997 of 30,024 | new |
| FacebookBot | Meta | training | 3.1% | 938 of 30,024 | new |
| YouBot | You.com | answer index | 3.0% | 893 of 30,024 | new |
| Timpibot | Timpi | training | 2.7% | 825 of 30,024 | new |
| Google-CloudVertexBot | live retrieval | 2.7% | 824 of 30,024 | new | |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 821 of 30,024 | new |
| GoogleOther | training | 2.6% | 785 of 30,024 | new | |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 725 of 30,024 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 693 of 30,024 | new |
| OAI-SearchBot | OpenAI | answer index | 2.0% | 615 of 30,024 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 609 of 30,024 | new |
| MistralAI-Training | Mistral AI | training | 1.9% | 578 of 30,024 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 535 of 30,024 | new |
| PanguBot | Huawei | training | 1.7% | 513 of 30,024 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 510 of 30,024 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 490 of 30,024 | new |
| Perplexity-User | Perplexity | live retrieval | 1.6% | 469 of 30,024 | new |
| Claude-SearchBot | Anthropic | answer index | 1.5% | 459 of 30,024 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 453 of 30,024 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 447 of 30,024 | new |
| Meta-WebIndexer | Meta | answer index | 1.3% | 378 of 30,024 | new |
| Applebot | Apple | answer index | 1.2% | 356 of 30,024 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 253 of 30,024 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 251 of 30,024 | new |
| Amzn-User | Amazon | live retrieval | 0.7% | 200 of 30,024 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 102 of 30,024 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 54 of 30,024 | new |
| Googlebot-News | answer index | 0.1% | 37 of 30,024 | new | |
| Bingbot | Microsoft | answer index | 0.1% | 35 of 30,024 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 29 of 30,024 | new |
| msnbot | Microsoft | answer index | 0.1% | 18 of 30,024 | new |
| Googlebot | answer index | 0.1% | 17 of 30,024 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 12 of 30,024 | 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, 2002-W21", 2002-05-26. https://crawlcensus.com/report/2002-W21
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.