Weekly report · 2015-W44
The state of AI crawling
Measured on 30,359 reachable domains for the week ending 2015-11-01. 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.
30,359
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 | 9.5% | 2,881 of 30,357 | new |
| CCBot | Common Crawl Foundation | archive | 9.3% | 2,825 of 30,357 | new |
| Bytespider | ByteDance | training | 8.9% | 2,690 of 30,357 | new |
| ClaudeBot | Anthropic | training | 8.1% | 2,455 of 30,357 | new |
| Meta-ExternalAgent | Meta | training | 7.2% | 2,181 of 30,357 | new |
| Amazonbot | Amazon | training | 7.1% | 2,164 of 30,357 | new |
| Google-Extended | training | 7.1% | 2,149 of 30,357 | new | |
| Applebot-Extended | Apple | training | 7.0% | 2,111 of 30,357 | new |
| anthropic-ai | Anthropic | training | 4.1% | 1,255 of 30,357 | new |
| omgilibot | Webz.io | training | 4.1% | 1,232 of 30,357 | new |
| cohere-ai | Cohere | live retrieval | 3.8% | 1,168 of 30,357 | new |
| Diffbot | Diffbot | training | 3.8% | 1,142 of 30,357 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,130 of 30,357 | new |
| omgili | Webz.io | training | 3.7% | 1,118 of 30,357 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,066 of 30,357 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,059 of 30,357 | new |
| FacebookBot | Meta | training | 3.1% | 956 of 30,357 | new |
| YouBot | You.com | answer index | 2.9% | 877 of 30,357 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 825 of 30,357 | new |
| Timpibot | Timpi | training | 2.7% | 816 of 30,357 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 726 of 30,357 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 671 of 30,357 | new |
| OAI-SearchBot | OpenAI | answer index | 2.2% | 666 of 30,357 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 600 of 30,357 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 535 of 30,357 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 513 of 30,357 | new |
| PanguBot | Huawei | training | 1.6% | 499 of 30,357 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 472 of 30,357 | new |
| Claude-User | Anthropic | live retrieval | 1.5% | 470 of 30,357 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 449 of 30,357 | new |
| Perplexity-User | Perplexity | live retrieval | 1.4% | 440 of 30,357 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 423 of 30,357 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 362 of 30,357 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 354 of 30,357 | new |
| GoogleOther | training | 1.1% | 340 of 30,357 | new | |
| Applebot | Apple | answer index | 1.1% | 333 of 30,357 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 255 of 30,357 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 211 of 30,357 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 139 of 30,357 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 73 of 30,357 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 67 of 30,357 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 59 of 30,357 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,357 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,357 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 30,357 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 19 of 30,357 | new |
| Googlebot | answer index | 0.1% | 16 of 30,357 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 5 of 30,357 | 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-W44", 2015-11-01. https://crawlcensus.com/report/2015-W44
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.