Weekly report · 2013-W37
The state of AI crawling
Measured on 30,286 reachable domains for the week ending 2013-09-15. 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.
30,286
domains measured
6%
block an answer engine
19%
refuse AI agents at the edge
13%
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 | 7.8% | 2,365 of 30,284 | new |
| CCBot | Common Crawl Foundation | archive | 7.6% | 2,313 of 30,284 | new |
| Bytespider | ByteDance | training | 7.2% | 2,179 of 30,284 | new |
| ClaudeBot | Anthropic | training | 6.4% | 1,936 of 30,284 | new |
| Amazonbot | Amazon | training | 5.5% | 1,660 of 30,284 | new |
| Meta-ExternalAgent | Meta | training | 5.4% | 1,649 of 30,284 | new |
| Google-Extended | training | 5.3% | 1,611 of 30,284 | new | |
| Applebot-Extended | Apple | training | 5.2% | 1,587 of 30,284 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,266 of 30,284 | new |
| omgilibot | Webz.io | training | 4.1% | 1,246 of 30,284 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,176 of 30,284 | new |
| Diffbot | Diffbot | training | 3.8% | 1,160 of 30,284 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,142 of 30,284 | new |
| omgili | Webz.io | training | 3.7% | 1,130 of 30,284 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,055 of 30,284 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,045 of 30,284 | new |
| FacebookBot | Meta | training | 3.2% | 956 of 30,284 | new |
| YouBot | You.com | answer index | 2.9% | 880 of 30,284 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 827 of 30,284 | new |
| Timpibot | Timpi | training | 2.7% | 808 of 30,284 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 717 of 30,284 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 663 of 30,284 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 641 of 30,284 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 601 of 30,284 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 538 of 30,284 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 510 of 30,284 | new |
| PanguBot | Huawei | training | 1.6% | 499 of 30,284 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 475 of 30,284 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 474 of 30,284 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 455 of 30,284 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 448 of 30,284 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 430 of 30,284 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 369 of 30,284 | new | |
| GoogleOther | training | 1.2% | 353 of 30,284 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 353 of 30,284 | new |
| Applebot | Apple | answer index | 1.1% | 338 of 30,284 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 257 of 30,284 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 218 of 30,284 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 147 of 30,284 | new |
| MistralAI-Training | Mistral AI | training | 0.3% | 83 of 30,284 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 68 of 30,284 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 53 of 30,284 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,284 | new |
| Googlebot-News | answer index | 0.1% | 37 of 30,284 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 30,284 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,284 | new |
| Googlebot | answer index | 0.1% | 17 of 30,284 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 7 of 30,284 | 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, 2013-W37", 2013-09-15. https://crawlcensus.com/report/2013-W37
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.