Weekly report · 2026-W37
The state of AI crawling
Measured on 30,223 reachable domains for the week ending 2026-09-13. 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.
30,223
domains measured
7%
block an answer engine
19%
refuse AI agents at the edge
14%
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% | 3,438 of 30,524 | -0.2 pt |
| CCBot | Common Crawl Foundation | archive | 11.1% | 3,382 of 30,524 | -0.1 pt |
| Bytespider | ByteDance | training | 10.7% | 3,257 of 30,524 | -0.1 pt |
| ClaudeBot | Anthropic | training | 9.9% | 3,022 of 30,524 | -0.1 pt |
| Meta-ExternalAgent | Meta | training | 8.9% | 2,731 of 30,524 | -0.1 pt |
| Google-Extended | training | 8.9% | 2,728 of 30,524 | -0.1 pt | |
| Amazonbot | Amazon | training | 8.9% | 2,719 of 30,524 | -0.1 pt |
| Applebot-Extended | Apple | training | 8.7% | 2,660 of 30,524 | -0.1 pt |
| anthropic-ai | Anthropic | training | 4.2% | 1,271 of 30,524 | -0.1 pt |
| omgilibot | Webz.io | training | 4.1% | 1,259 of 30,524 | -0.1 pt |
| Diffbot | Diffbot | training | 3.8% | 1,168 of 30,524 | level |
| cohere-ai | Cohere | live retrieval | 3.8% | 1,157 of 30,524 | level |
| omgili | Webz.io | training | 3.7% | 1,144 of 30,524 | -0.1 pt |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,134 of 30,524 | level |
| PerplexityBot | Perplexity | answer index | 3.6% | 1,095 of 30,524 | -0.1 pt |
| ChatGPT-User | OpenAI | live retrieval | 3.6% | 1,088 of 30,524 | -0.1 pt |
| FacebookBot | Meta | training | 3.2% | 985 of 30,524 | level |
| YouBot | You.com | answer index | 2.9% | 883 of 30,524 | +0.1 pt |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 840 of 30,524 | level |
| Timpibot | Timpi | training | 2.7% | 834 of 30,524 | level |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 723 of 30,524 | level |
| AI2Bot | Allen Institute for AI | training | 2.2% | 683 of 30,524 | level |
| OAI-SearchBot | OpenAI | answer index | 2.2% | 682 of 30,524 | level |
| cohere-training-data-crawler | Cohere | training | 2.0% | 601 of 30,524 | level |
| Meta-ExternalFetcher | Meta | live retrieval | 1.7% | 531 of 30,524 | level |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 530 of 30,524 | level |
| PanguBot | Huawei | training | 1.7% | 512 of 30,524 | level |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 481 of 30,524 | level |
| Claude-User | Anthropic | live retrieval | 1.5% | 472 of 30,524 | level |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 458 of 30,524 | level |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 446 of 30,524 | level |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 426 of 30,524 | level |
| Google-CloudVertexBot | live retrieval | 1.2% | 354 of 30,524 | level | |
| Meta-WebIndexer | Meta | answer index | 1.1% | 351 of 30,524 | level |
| Applebot | Apple | answer index | 1.1% | 349 of 30,524 | -0.1 pt |
| GoogleOther | training | 1.1% | 332 of 30,524 | level | |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 255 of 30,524 | level |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 219 of 30,524 | level |
| Amzn-User | Amazon | live retrieval | 0.4% | 130 of 30,524 | level |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 73 of 30,524 | level |
| facebookexternalhit | Meta | live retrieval | 0.2% | 59 of 30,524 | level |
| MistralAI-Training | Mistral AI | training | 0.2% | 57 of 30,524 | level |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,524 | level |
| Googlebot-News | answer index | 0.1% | 38 of 30,524 | level | |
| msnbot | Microsoft | answer index | 0.1% | 27 of 30,524 | level |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,524 | level |
| Googlebot | answer index | 0.1% | 16 of 30,524 | level | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 3 of 30,524 | level |
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 200 total
- fips.ru GPTBot is now refused at the network edge, whatever robots.txt permits
- fips.ru OAI-SearchBot is now refused at the network edge, whatever robots.txt permits
- myfxbook.com Removed its llms.txt file
- sunexpress.com GPTBot is now refused at the network edge, whatever robots.txt permits
- sunexpress.com OAI-SearchBot is now refused at the network edge, whatever robots.txt permits
- sunexpress.com ClaudeBot is now refused at the network edge, whatever robots.txt permits
- sunexpress.com PerplexityBot is now refused at the network edge, whatever robots.txt permits
- sunexpress.com AI access score moved 48 to 62
- dwan.co.in AI access score moved 46 to 69
- huangye88.com GPTBot is now refused at the network edge, whatever robots.txt permits
- huangye88.com OAI-SearchBot is now refused at the network edge, whatever robots.txt permits
- huangye88.com ClaudeBot is now refused at the network edge, whatever robots.txt permits
- huangye88.com PerplexityBot is now refused at the network edge, whatever robots.txt permits
- huangye88.com AI access score moved 46 to 34
- dataliberation.org AI access score moved 73 to 58
- pddrc.in AI access score moved 60 to 46
- goldenresult.in GPTBot is now allowed by robots.txt
- goldenresult.in ClaudeBot is now allowed by robots.txt
- goldenresult.in Google-Extended is now allowed by robots.txt
- goldenresult.in Applebot-Extended is now allowed by robots.txt
- goldenresult.in Meta-ExternalAgent is now allowed by robots.txt
- goldenresult.in Bytespider is now allowed by robots.txt
- goldenresult.in Amazonbot is now allowed by robots.txt
- goldenresult.in CCBot is now allowed by robots.txt
- mmua.in GPTBot is now allowed by robots.txt
- mmua.in ClaudeBot is now allowed by robots.txt
- mmua.in Google-Extended is now allowed by robots.txt
- mmua.in Applebot-Extended is now allowed by robots.txt
- mmua.in Meta-ExternalAgent is now allowed by robots.txt
- mmua.in Bytespider is now allowed by robots.txt
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, 2026-W37", 2026-09-13. https://crawlcensus.com/report/2026-W37Machine-readable: census totals, full corpus, crawler registry. Method: methodology.