Weekly report · 2013-W51
The state of AI crawling
Measured on 30,310 reachable domains for the week ending 2013-12-22. 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.
30,310
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 | 8.0% | 2,437 of 30,311 | new |
| CCBot | Common Crawl Foundation | archive | 7.9% | 2,381 of 30,311 | new |
| Bytespider | ByteDance | training | 7.4% | 2,242 of 30,311 | new |
| ClaudeBot | Anthropic | training | 6.6% | 2,006 of 30,311 | new |
| Amazonbot | Amazon | training | 5.7% | 1,726 of 30,311 | new |
| Meta-ExternalAgent | Meta | training | 5.7% | 1,716 of 30,311 | new |
| Google-Extended | training | 5.6% | 1,683 of 30,311 | new | |
| Applebot-Extended | Apple | training | 5.5% | 1,656 of 30,311 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,265 of 30,311 | new |
| omgilibot | Webz.io | training | 4.1% | 1,244 of 30,311 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,175 of 30,311 | new |
| Diffbot | Diffbot | training | 3.8% | 1,159 of 30,311 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,146 of 30,311 | new |
| omgili | Webz.io | training | 3.7% | 1,127 of 30,311 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,060 of 30,311 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,047 of 30,311 | new |
| FacebookBot | Meta | training | 3.2% | 957 of 30,311 | new |
| YouBot | You.com | answer index | 2.9% | 880 of 30,311 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 827 of 30,311 | new |
| Timpibot | Timpi | training | 2.7% | 808 of 30,311 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 722 of 30,311 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 662 of 30,311 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 646 of 30,311 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 601 of 30,311 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 538 of 30,311 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 509 of 30,311 | new |
| PanguBot | Huawei | training | 1.6% | 499 of 30,311 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 472 of 30,311 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 470 of 30,311 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 453 of 30,311 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 445 of 30,311 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 426 of 30,311 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 370 of 30,311 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 356 of 30,311 | new |
| GoogleOther | training | 1.2% | 349 of 30,311 | new | |
| Applebot | Apple | answer index | 1.1% | 334 of 30,311 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 256 of 30,311 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 214 of 30,311 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 143 of 30,311 | new |
| MistralAI-Training | Mistral AI | training | 0.3% | 79 of 30,311 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 69 of 30,311 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 54 of 30,311 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,311 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,311 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 30,311 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,311 | new |
| Googlebot | answer index | 0.1% | 17 of 30,311 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 6 of 30,311 | 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-W51", 2013-12-22. https://crawlcensus.com/report/2013-W51
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.