Weekly report · 2016-W21
The state of AI crawling
Measured on 30,529 reachable domains for the week ending 2016-05-29. 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.
30,529
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 | 11.3% | 3,437 of 30,527 | new |
| CCBot | Common Crawl Foundation | archive | 11.1% | 3,381 of 30,527 | new |
| Bytespider | ByteDance | training | 10.7% | 3,256 of 30,527 | new |
| ClaudeBot | Anthropic | training | 9.9% | 3,021 of 30,527 | new |
| Meta-ExternalAgent | Meta | training | 8.9% | 2,730 of 30,527 | new |
| Google-Extended | training | 8.9% | 2,727 of 30,527 | new | |
| Amazonbot | Amazon | training | 8.9% | 2,718 of 30,527 | new |
| Applebot-Extended | Apple | training | 8.7% | 2,659 of 30,527 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,271 of 30,527 | new |
| omgilibot | Webz.io | training | 4.1% | 1,259 of 30,527 | new |
| Diffbot | Diffbot | training | 3.8% | 1,168 of 30,527 | new |
| cohere-ai | Cohere | live retrieval | 3.8% | 1,157 of 30,527 | new |
| omgili | Webz.io | training | 3.7% | 1,144 of 30,527 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,134 of 30,527 | new |
| PerplexityBot | Perplexity | answer index | 3.6% | 1,095 of 30,527 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.6% | 1,088 of 30,527 | new |
| FacebookBot | Meta | training | 3.2% | 985 of 30,527 | new |
| YouBot | You.com | answer index | 2.9% | 883 of 30,527 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 840 of 30,527 | new |
| Timpibot | Timpi | training | 2.7% | 834 of 30,527 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 723 of 30,527 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 683 of 30,527 | new |
| OAI-SearchBot | OpenAI | answer index | 2.2% | 682 of 30,527 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 601 of 30,527 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.7% | 531 of 30,527 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 530 of 30,527 | new |
| PanguBot | Huawei | training | 1.7% | 512 of 30,527 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 481 of 30,527 | new |
| Claude-User | Anthropic | live retrieval | 1.5% | 472 of 30,527 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 458 of 30,527 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 446 of 30,527 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 426 of 30,527 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 354 of 30,527 | new | |
| Meta-WebIndexer | Meta | answer index | 1.1% | 351 of 30,527 | new |
| Applebot | Apple | answer index | 1.1% | 349 of 30,527 | new |
| GoogleOther | training | 1.1% | 332 of 30,527 | new | |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 255 of 30,527 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 219 of 30,527 | new |
| Amzn-User | Amazon | live retrieval | 0.4% | 130 of 30,527 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 73 of 30,527 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 59 of 30,527 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 57 of 30,527 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,527 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,527 | new | |
| msnbot | Microsoft | answer index | 0.1% | 27 of 30,527 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,527 | new |
| Googlebot | answer index | 0.1% | 16 of 30,527 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 3 of 30,527 | 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, 2016-W21", 2016-05-29. https://crawlcensus.com/report/2016-W21
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.