Weekly report · 2015-W16
The state of AI crawling
Measured on 30,296 reachable domains for the week ending 2015-04-19. 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.
30,296
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% | 2,564 of 30,292 | new |
| CCBot | Common Crawl Foundation | archive | 8.3% | 2,508 of 30,292 | new |
| Bytespider | ByteDance | training | 7.8% | 2,372 of 30,292 | new |
| ClaudeBot | Anthropic | training | 7.0% | 2,133 of 30,292 | new |
| Amazonbot | Amazon | training | 6.1% | 1,849 of 30,292 | new |
| Meta-ExternalAgent | Meta | training | 6.1% | 1,847 of 30,292 | new |
| Google-Extended | training | 6.0% | 1,817 of 30,292 | new | |
| Applebot-Extended | Apple | training | 5.9% | 1,786 of 30,292 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,266 of 30,292 | new |
| omgilibot | Webz.io | training | 4.1% | 1,238 of 30,292 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,176 of 30,292 | new |
| Diffbot | Diffbot | training | 3.8% | 1,151 of 30,292 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,146 of 30,292 | new |
| omgili | Webz.io | training | 3.7% | 1,122 of 30,292 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,061 of 30,292 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,051 of 30,292 | new |
| FacebookBot | Meta | training | 3.2% | 958 of 30,292 | new |
| YouBot | You.com | answer index | 2.9% | 877 of 30,292 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 830 of 30,292 | new |
| Timpibot | Timpi | training | 2.7% | 812 of 30,292 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 720 of 30,292 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 663 of 30,292 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 650 of 30,292 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 603 of 30,292 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 542 of 30,292 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 511 of 30,292 | new |
| PanguBot | Huawei | training | 1.6% | 497 of 30,292 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 475 of 30,292 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 471 of 30,292 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 451 of 30,292 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 445 of 30,292 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 427 of 30,292 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 371 of 30,292 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 357 of 30,292 | new |
| GoogleOther | training | 1.1% | 346 of 30,292 | new | |
| Applebot | Apple | answer index | 1.1% | 329 of 30,292 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 255 of 30,292 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 216 of 30,292 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 145 of 30,292 | new |
| MistralAI-Training | Mistral AI | training | 0.3% | 76 of 30,292 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 73 of 30,292 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 57 of 30,292 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,292 | new |
| Googlebot-News | answer index | 0.1% | 37 of 30,292 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 30,292 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,292 | new |
| Googlebot | answer index | 0.1% | 16 of 30,292 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 5 of 30,292 | 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-W16", 2015-04-19. https://crawlcensus.com/report/2015-W16Machine-readable: census totals, full corpus, crawler registry. Method: methodology.