Weekly report · 2008-W25
The state of AI crawling
Measured on 30,208 reachable domains for the week ending 2008-06-22. 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.
30,208
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 30,203 | new |
| CCBot | Common Crawl Foundation | archive | 6.8% | 2,068 of 30,203 | new |
| Bytespider | ByteDance | training | 6.5% | 1,955 of 30,203 | new |
| ClaudeBot | Anthropic | training | 5.8% | 1,747 of 30,203 | new |
| Meta-ExternalAgent | Meta | training | 4.7% | 1,430 of 30,203 | new |
| Amazonbot | Amazon | training | 4.7% | 1,414 of 30,203 | new |
| Google-Extended | training | 4.6% | 1,394 of 30,203 | new | |
| Applebot-Extended | Apple | training | 4.6% | 1,381 of 30,203 | new |
| anthropic-ai | Anthropic | training | 4.4% | 1,324 of 30,203 | new |
| omgilibot | Webz.io | training | 4.3% | 1,291 of 30,203 | new |
| Diffbot | Diffbot | training | 4.1% | 1,228 of 30,203 | new |
| cohere-ai | Cohere | live retrieval | 4.1% | 1,225 of 30,203 | new |
| omgili | Webz.io | training | 3.9% | 1,175 of 30,203 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,127 of 30,203 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,055 of 30,203 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,054 of 30,203 | new |
| FacebookBot | Meta | training | 3.3% | 983 of 30,203 | new |
| YouBot | You.com | answer index | 2.9% | 890 of 30,203 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 852 of 30,203 | new |
| Timpibot | Timpi | training | 2.8% | 834 of 30,203 | new |
| Scrapy | Zyte (open-source framework) | training | 2.5% | 745 of 30,203 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 706 of 30,203 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 649 of 30,203 | new |
| cohere-training-data-crawler | Cohere | training | 2.1% | 623 of 30,203 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 556 of 30,203 | new |
| PanguBot | Huawei | training | 1.7% | 519 of 30,203 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 518 of 30,203 | new |
| Claude-User | Anthropic | live retrieval | 1.7% | 499 of 30,203 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 484 of 30,203 | new |
| Perplexity-User | Perplexity | live retrieval | 1.6% | 469 of 30,203 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 465 of 30,203 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 448 of 30,203 | new |
| Google-CloudVertexBot | live retrieval | 1.4% | 424 of 30,203 | new | |
| GoogleOther | training | 1.3% | 384 of 30,203 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 358 of 30,203 | new |
| Applebot | Apple | answer index | 1.1% | 343 of 30,203 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 255 of 30,203 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 232 of 30,203 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 166 of 30,203 | new |
| MistralAI-Training | Mistral AI | training | 0.5% | 142 of 30,203 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 81 of 30,203 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 54 of 30,203 | new |
| Bingbot | Microsoft | answer index | 0.1% | 40 of 30,203 | new |
| Googlebot-News | answer index | 0.1% | 36 of 30,203 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 30,203 | new |
| msnbot | Microsoft | answer index | 0.1% | 21 of 30,203 | new |
| Googlebot | answer index | 0.1% | 16 of 30,203 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 11 of 30,203 | 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-W25", 2008-06-22. https://crawlcensus.com/report/2008-W25Machine-readable: census totals, full corpus, crawler registry. Method: methodology.