Weekly report · 2015-W20
The state of AI crawling
Measured on 30,297 reachable domains for the week ending 2015-05-17. 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.
30,297
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 | 8.6% | 2,599 of 30,300 | new |
| CCBot | Common Crawl Foundation | archive | 8.4% | 2,544 of 30,300 | new |
| Bytespider | ByteDance | training | 7.9% | 2,405 of 30,300 | new |
| ClaudeBot | Anthropic | training | 7.2% | 2,168 of 30,300 | new |
| Meta-ExternalAgent | Meta | training | 6.2% | 1,884 of 30,300 | new |
| Amazonbot | Amazon | training | 6.2% | 1,881 of 30,300 | new |
| Google-Extended | training | 6.1% | 1,852 of 30,300 | new | |
| Applebot-Extended | Apple | training | 6.0% | 1,823 of 30,300 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,265 of 30,300 | new |
| omgilibot | Webz.io | training | 4.1% | 1,238 of 30,300 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,176 of 30,300 | new |
| Diffbot | Diffbot | training | 3.8% | 1,151 of 30,300 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,145 of 30,300 | new |
| omgili | Webz.io | training | 3.7% | 1,122 of 30,300 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,064 of 30,300 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,052 of 30,300 | new |
| FacebookBot | Meta | training | 3.2% | 959 of 30,300 | new |
| YouBot | You.com | answer index | 2.9% | 878 of 30,300 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 832 of 30,300 | new |
| Timpibot | Timpi | training | 2.7% | 813 of 30,300 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 722 of 30,300 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 665 of 30,300 | new |
| OAI-SearchBot | OpenAI | answer index | 2.2% | 654 of 30,300 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 602 of 30,300 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 540 of 30,300 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 510 of 30,300 | new |
| PanguBot | Huawei | training | 1.6% | 497 of 30,300 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 473 of 30,300 | new |
| Claude-User | Anthropic | live retrieval | 1.5% | 469 of 30,300 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 451 of 30,300 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 443 of 30,300 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 425 of 30,300 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 369 of 30,300 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 356 of 30,300 | new |
| GoogleOther | training | 1.1% | 345 of 30,300 | new | |
| Applebot | Apple | answer index | 1.1% | 329 of 30,300 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 255 of 30,300 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 215 of 30,300 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 144 of 30,300 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 75 of 30,300 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 73 of 30,300 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 56 of 30,300 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,300 | new |
| Googlebot-News | answer index | 0.1% | 37 of 30,300 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 30,300 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,300 | new |
| Googlebot | answer index | 0.1% | 16 of 30,300 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 5 of 30,300 | 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-W20", 2015-05-17. https://crawlcensus.com/report/2015-W20
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.