Weekly report · 2015-W49
The state of AI crawling
Measured on 30,367 reachable domains for the week ending 2015-12-06. 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.
30,367
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 | 9.7% | 2,947 of 30,365 | new |
| CCBot | Common Crawl Foundation | archive | 9.5% | 2,892 of 30,365 | new |
| Bytespider | ByteDance | training | 9.1% | 2,756 of 30,365 | new |
| ClaudeBot | Anthropic | training | 8.3% | 2,520 of 30,365 | new |
| Meta-ExternalAgent | Meta | training | 7.4% | 2,249 of 30,365 | new |
| Amazonbot | Amazon | training | 7.3% | 2,228 of 30,365 | new |
| Google-Extended | training | 7.3% | 2,216 of 30,365 | new | |
| Applebot-Extended | Apple | training | 7.2% | 2,178 of 30,365 | new |
| anthropic-ai | Anthropic | training | 4.1% | 1,253 of 30,365 | new |
| omgilibot | Webz.io | training | 4.1% | 1,232 of 30,365 | new |
| cohere-ai | Cohere | live retrieval | 3.8% | 1,167 of 30,365 | new |
| Diffbot | Diffbot | training | 3.8% | 1,142 of 30,365 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,129 of 30,365 | new |
| omgili | Webz.io | training | 3.7% | 1,118 of 30,365 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,064 of 30,365 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,059 of 30,365 | new |
| FacebookBot | Meta | training | 3.1% | 956 of 30,365 | new |
| YouBot | You.com | answer index | 2.9% | 876 of 30,365 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 824 of 30,365 | new |
| Timpibot | Timpi | training | 2.7% | 816 of 30,365 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 726 of 30,365 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 671 of 30,365 | new |
| OAI-SearchBot | OpenAI | answer index | 2.2% | 666 of 30,365 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 600 of 30,365 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 533 of 30,365 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 513 of 30,365 | new |
| PanguBot | Huawei | training | 1.6% | 500 of 30,365 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 472 of 30,365 | new |
| Claude-User | Anthropic | live retrieval | 1.5% | 469 of 30,365 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 449 of 30,365 | new |
| Perplexity-User | Perplexity | live retrieval | 1.4% | 439 of 30,365 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 422 of 30,365 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 362 of 30,365 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 353 of 30,365 | new |
| GoogleOther | training | 1.1% | 341 of 30,365 | new | |
| Applebot | Apple | answer index | 1.1% | 333 of 30,365 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 255 of 30,365 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 211 of 30,365 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 138 of 30,365 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 73 of 30,365 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 67 of 30,365 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 59 of 30,365 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,365 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,365 | new | |
| msnbot | Microsoft | answer index | 0.1% | 27 of 30,365 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 19 of 30,365 | new |
| Googlebot | answer index | 0.1% | 16 of 30,365 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 5 of 30,365 | 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-W49", 2015-12-06. https://crawlcensus.com/report/2015-W49
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.