Weekly report · 2015-W41
The state of AI crawling
Measured on 30,356 reachable domains for the week ending 2015-10-11. 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.
30,356
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 | 9.4% | 2,868 of 30,356 | new |
| CCBot | Common Crawl Foundation | archive | 9.3% | 2,811 of 30,356 | new |
| Bytespider | ByteDance | training | 8.8% | 2,674 of 30,356 | new |
| ClaudeBot | Anthropic | training | 8.0% | 2,440 of 30,356 | new |
| Meta-ExternalAgent | Meta | training | 7.1% | 2,167 of 30,356 | new |
| Amazonbot | Amazon | training | 7.1% | 2,151 of 30,356 | new |
| Google-Extended | training | 7.0% | 2,134 of 30,356 | new | |
| Applebot-Extended | Apple | training | 6.9% | 2,097 of 30,356 | new |
| anthropic-ai | Anthropic | training | 4.1% | 1,255 of 30,356 | new |
| omgilibot | Webz.io | training | 4.1% | 1,231 of 30,356 | new |
| cohere-ai | Cohere | live retrieval | 3.8% | 1,166 of 30,356 | new |
| Diffbot | Diffbot | training | 3.8% | 1,141 of 30,356 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,129 of 30,356 | new |
| omgili | Webz.io | training | 3.7% | 1,117 of 30,356 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,066 of 30,356 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,060 of 30,356 | new |
| FacebookBot | Meta | training | 3.1% | 955 of 30,356 | new |
| YouBot | You.com | answer index | 2.9% | 876 of 30,356 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 824 of 30,356 | new |
| Timpibot | Timpi | training | 2.7% | 815 of 30,356 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 725 of 30,356 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 669 of 30,356 | new |
| OAI-SearchBot | OpenAI | answer index | 2.2% | 665 of 30,356 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 599 of 30,356 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 534 of 30,356 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 512 of 30,356 | new |
| PanguBot | Huawei | training | 1.6% | 498 of 30,356 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 471 of 30,356 | new |
| Claude-User | Anthropic | live retrieval | 1.5% | 469 of 30,356 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 448 of 30,356 | new |
| Perplexity-User | Perplexity | live retrieval | 1.4% | 439 of 30,356 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 422 of 30,356 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 361 of 30,356 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 353 of 30,356 | new |
| GoogleOther | training | 1.1% | 339 of 30,356 | new | |
| Applebot | Apple | answer index | 1.1% | 333 of 30,356 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 254 of 30,356 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 211 of 30,356 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 139 of 30,356 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 73 of 30,356 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 67 of 30,356 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 58 of 30,356 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,356 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,356 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 30,356 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 19 of 30,356 | new |
| Googlebot | answer index | 0.1% | 16 of 30,356 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 5 of 30,356 | 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, 2015-W41", 2015-10-11. https://crawlcensus.com/report/2015-W41
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.