Weekly report · 2008-W31
The state of AI crawling
Measured on 30,177 reachable domains for the week ending 2008-08-03. 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.
30,177
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% | 2,148 of 30,177 | new |
| CCBot | Common Crawl Foundation | archive | 6.9% | 2,069 of 30,177 | new |
| Bytespider | ByteDance | training | 6.5% | 1,952 of 30,177 | new |
| ClaudeBot | Anthropic | training | 5.8% | 1,747 of 30,177 | new |
| Meta-ExternalAgent | Meta | training | 4.7% | 1,432 of 30,177 | new |
| Amazonbot | Amazon | training | 4.7% | 1,414 of 30,177 | new |
| Google-Extended | training | 4.6% | 1,392 of 30,177 | new | |
| Applebot-Extended | Apple | training | 4.6% | 1,380 of 30,177 | new |
| anthropic-ai | Anthropic | training | 4.4% | 1,320 of 30,177 | new |
| omgilibot | Webz.io | training | 4.3% | 1,289 of 30,177 | new |
| cohere-ai | Cohere | live retrieval | 4.1% | 1,224 of 30,177 | new |
| Diffbot | Diffbot | training | 4.1% | 1,223 of 30,177 | new |
| omgili | Webz.io | training | 3.9% | 1,171 of 30,177 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,124 of 30,177 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,052 of 30,177 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,051 of 30,177 | new |
| FacebookBot | Meta | training | 3.2% | 979 of 30,177 | new |
| YouBot | You.com | answer index | 2.9% | 887 of 30,177 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 851 of 30,177 | new |
| Timpibot | Timpi | training | 2.8% | 832 of 30,177 | new |
| Scrapy | Zyte (open-source framework) | training | 2.5% | 744 of 30,177 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 705 of 30,177 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 648 of 30,177 | new |
| cohere-training-data-crawler | Cohere | training | 2.1% | 619 of 30,177 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.9% | 559 of 30,177 | new |
| PanguBot | Huawei | training | 1.7% | 517 of 30,177 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 516 of 30,177 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 496 of 30,177 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 481 of 30,177 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 467 of 30,177 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 467 of 30,177 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 444 of 30,177 | new |
| Google-CloudVertexBot | live retrieval | 1.4% | 423 of 30,177 | new | |
| GoogleOther | training | 1.3% | 384 of 30,177 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 360 of 30,177 | new |
| Applebot | Apple | answer index | 1.1% | 341 of 30,177 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 255 of 30,177 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 230 of 30,177 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 164 of 30,177 | new |
| MistralAI-Training | Mistral AI | training | 0.5% | 142 of 30,177 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 77 of 30,177 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 53 of 30,177 | new |
| Bingbot | Microsoft | answer index | 0.1% | 40 of 30,177 | new |
| Googlebot-News | answer index | 0.1% | 35 of 30,177 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 30,177 | new |
| msnbot | Microsoft | answer index | 0.1% | 21 of 30,177 | new |
| Googlebot | answer index | 0.1% | 16 of 30,177 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 11 of 30,177 | 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-W31", 2008-08-03. https://crawlcensus.com/report/2008-W31Machine-readable: census totals, full corpus, crawler registry. Method: methodology.