Weekly report · 2015-W19
The state of AI crawling
Measured on 30,294 reachable domains for the week ending 2015-05-10. 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.
30,294
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 | 8.5% | 2,587 of 30,291 | new |
| CCBot | Common Crawl Foundation | archive | 8.4% | 2,533 of 30,291 | new |
| Bytespider | ByteDance | training | 7.9% | 2,395 of 30,291 | new |
| ClaudeBot | Anthropic | training | 7.1% | 2,156 of 30,291 | new |
| Meta-ExternalAgent | Meta | training | 6.2% | 1,872 of 30,291 | new |
| Amazonbot | Amazon | training | 6.2% | 1,871 of 30,291 | new |
| Google-Extended | training | 6.1% | 1,841 of 30,291 | new | |
| Applebot-Extended | Apple | training | 6.0% | 1,812 of 30,291 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,264 of 30,291 | new |
| omgilibot | Webz.io | training | 4.1% | 1,237 of 30,291 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,175 of 30,291 | new |
| Diffbot | Diffbot | training | 3.8% | 1,150 of 30,291 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,146 of 30,291 | new |
| omgili | Webz.io | training | 3.7% | 1,121 of 30,291 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,062 of 30,291 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,050 of 30,291 | new |
| FacebookBot | Meta | training | 3.2% | 958 of 30,291 | new |
| YouBot | You.com | answer index | 2.9% | 877 of 30,291 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 830 of 30,291 | new |
| Timpibot | Timpi | training | 2.7% | 812 of 30,291 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 721 of 30,291 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 664 of 30,291 | new |
| OAI-SearchBot | OpenAI | answer index | 2.2% | 652 of 30,291 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 602 of 30,291 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 540 of 30,291 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 510 of 30,291 | new |
| PanguBot | Huawei | training | 1.6% | 497 of 30,291 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 473 of 30,291 | new |
| Claude-User | Anthropic | live retrieval | 1.5% | 469 of 30,291 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 451 of 30,291 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 443 of 30,291 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 425 of 30,291 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 369 of 30,291 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 356 of 30,291 | new |
| GoogleOther | training | 1.1% | 345 of 30,291 | new | |
| Applebot | Apple | answer index | 1.1% | 329 of 30,291 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 255 of 30,291 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 215 of 30,291 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 144 of 30,291 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 75 of 30,291 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 73 of 30,291 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 56 of 30,291 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,291 | new |
| Googlebot-News | answer index | 0.1% | 37 of 30,291 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 30,291 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,291 | new |
| Googlebot | answer index | 0.1% | 16 of 30,291 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 5 of 30,291 | 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-W19", 2015-05-10. https://crawlcensus.com/report/2015-W19Machine-readable: census totals, full corpus, crawler registry. Method: methodology.