Weekly report · 2008-W16
The state of AI crawling
Measured on 30,222 reachable domains for the week ending 2008-04-20. 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.
30,222
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% | 2,147 of 30,214 | new |
| CCBot | Common Crawl Foundation | archive | 6.8% | 2,066 of 30,214 | new |
| Bytespider | ByteDance | training | 6.5% | 1,956 of 30,214 | new |
| ClaudeBot | Anthropic | training | 5.8% | 1,746 of 30,214 | new |
| Meta-ExternalAgent | Meta | training | 4.7% | 1,432 of 30,214 | new |
| Amazonbot | Amazon | training | 4.7% | 1,415 of 30,214 | new |
| Google-Extended | training | 4.6% | 1,392 of 30,214 | new | |
| Applebot-Extended | Apple | training | 4.6% | 1,380 of 30,214 | new |
| anthropic-ai | Anthropic | training | 4.4% | 1,323 of 30,214 | new |
| omgilibot | Webz.io | training | 4.3% | 1,292 of 30,214 | new |
| Diffbot | Diffbot | training | 4.1% | 1,228 of 30,214 | new |
| cohere-ai | Cohere | live retrieval | 4.1% | 1,225 of 30,214 | new |
| omgili | Webz.io | training | 3.9% | 1,177 of 30,214 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,127 of 30,214 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,053 of 30,214 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,052 of 30,214 | new |
| FacebookBot | Meta | training | 3.3% | 983 of 30,214 | new |
| YouBot | You.com | answer index | 2.9% | 890 of 30,214 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 853 of 30,214 | new |
| Timpibot | Timpi | training | 2.8% | 834 of 30,214 | new |
| Scrapy | Zyte (open-source framework) | training | 2.5% | 743 of 30,214 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 707 of 30,214 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 648 of 30,214 | new |
| cohere-training-data-crawler | Cohere | training | 2.1% | 622 of 30,214 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 555 of 30,214 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 518 of 30,214 | new |
| PanguBot | Huawei | training | 1.7% | 518 of 30,214 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 497 of 30,214 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 482 of 30,214 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 468 of 30,214 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 466 of 30,214 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 447 of 30,214 | new |
| Google-CloudVertexBot | live retrieval | 1.4% | 423 of 30,214 | new | |
| GoogleOther | training | 1.3% | 382 of 30,214 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 357 of 30,214 | new |
| Applebot | Apple | answer index | 1.1% | 343 of 30,214 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 256 of 30,214 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 232 of 30,214 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 166 of 30,214 | new |
| MistralAI-Training | Mistral AI | training | 0.5% | 142 of 30,214 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 81 of 30,214 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 54 of 30,214 | new |
| Bingbot | Microsoft | answer index | 0.1% | 40 of 30,214 | new |
| Googlebot-News | answer index | 0.1% | 36 of 30,214 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 30,214 | new |
| msnbot | Microsoft | answer index | 0.1% | 20 of 30,214 | new |
| Googlebot | answer index | 0.1% | 16 of 30,214 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 11 of 30,214 | 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-W16", 2008-04-20. https://crawlcensus.com/report/2008-W16Machine-readable: census totals, full corpus, crawler registry. Method: methodology.