Weekly report · 2013-W20
The state of AI crawling
Measured on 30,255 reachable domains for the week ending 2013-05-19. 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.
30,255
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 | 7.4% | 2,228 of 30,255 | new |
| CCBot | Common Crawl Foundation | archive | 7.2% | 2,179 of 30,255 | new |
| Bytespider | ByteDance | training | 6.8% | 2,044 of 30,255 | new |
| ClaudeBot | Anthropic | training | 5.9% | 1,800 of 30,255 | new |
| Amazonbot | Amazon | training | 5.0% | 1,521 of 30,255 | new |
| Meta-ExternalAgent | Meta | training | 5.0% | 1,517 of 30,255 | new |
| Google-Extended | training | 4.9% | 1,472 of 30,255 | new | |
| Applebot-Extended | Apple | training | 4.8% | 1,451 of 30,255 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,268 of 30,255 | new |
| omgilibot | Webz.io | training | 4.1% | 1,247 of 30,255 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,175 of 30,255 | new |
| Diffbot | Diffbot | training | 3.8% | 1,163 of 30,255 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,140 of 30,255 | new |
| omgili | Webz.io | training | 3.7% | 1,131 of 30,255 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,051 of 30,255 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.4% | 1,040 of 30,255 | new |
| FacebookBot | Meta | training | 3.1% | 953 of 30,255 | new |
| YouBot | You.com | answer index | 2.9% | 880 of 30,255 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 829 of 30,255 | new |
| Timpibot | Timpi | training | 2.7% | 808 of 30,255 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 718 of 30,255 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 665 of 30,255 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 639 of 30,255 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 604 of 30,255 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 538 of 30,255 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 508 of 30,255 | new |
| PanguBot | Huawei | training | 1.7% | 502 of 30,255 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 475 of 30,255 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 475 of 30,255 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 457 of 30,255 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 447 of 30,255 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 431 of 30,255 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 371 of 30,255 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 354 of 30,255 | new |
| GoogleOther | training | 1.2% | 352 of 30,255 | new | |
| Applebot | Apple | answer index | 1.1% | 337 of 30,255 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 256 of 30,255 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 221 of 30,255 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 149 of 30,255 | new |
| MistralAI-Training | Mistral AI | training | 0.3% | 84 of 30,255 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 68 of 30,255 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 52 of 30,255 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,255 | new |
| Googlebot-News | answer index | 0.1% | 37 of 30,255 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 30,255 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,255 | new |
| Googlebot | answer index | 0.1% | 17 of 30,255 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 7 of 30,255 | 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-W20", 2013-05-19. https://crawlcensus.com/report/2013-W20Machine-readable: census totals, full corpus, crawler registry. Method: methodology.