Weekly report · 2026-W31
The state of AI crawling
Measured on 20,881 reachable domains for the week ending 2026-08-02. 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.
20,881
domains measured
7%
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 | 11.4% | 2,386 of 20,869 | new |
| CCBot | Common Crawl Foundation | archive | 11.4% | 2,376 of 20,869 | new |
| Bytespider | ByteDance | training | 11.0% | 2,288 of 20,869 | new |
| ClaudeBot | Anthropic | training | 10.1% | 2,108 of 20,869 | new |
| Google-Extended | training | 9.2% | 1,914 of 20,869 | new | |
| Meta-ExternalAgent | Meta | training | 9.2% | 1,910 of 20,869 | new |
| Amazonbot | Amazon | training | 8.9% | 1,867 of 20,869 | new |
| Applebot-Extended | Apple | training | 8.9% | 1,847 of 20,869 | new |
| omgilibot | Webz.io | training | 4.5% | 939 of 20,869 | new |
| anthropic-ai | Anthropic | training | 4.4% | 918 of 20,869 | new |
| Diffbot | Diffbot | training | 4.1% | 854 of 20,869 | new |
| omgili | Webz.io | training | 4.1% | 854 of 20,869 | new |
| cohere-ai | Cohere | live retrieval | 4.1% | 849 of 20,869 | new |
| PerplexityBot | Perplexity | answer index | 3.9% | 811 of 20,869 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.7% | 778 of 20,869 | new |
| SemrushBot-OCOB | Semrush | training | 3.6% | 745 of 20,869 | new |
| FacebookBot | Meta | training | 3.5% | 734 of 20,869 | new |
| YouBot | You.com | answer index | 3.0% | 634 of 20,869 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.9% | 614 of 20,869 | new |
| Timpibot | Timpi | training | 2.9% | 608 of 20,869 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 505 of 20,869 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 485 of 20,869 | new |
| OAI-SearchBot | OpenAI | answer index | 2.3% | 480 of 20,869 | new |
| cohere-training-data-crawler | Cohere | training | 2.1% | 446 of 20,869 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 2.0% | 409 of 20,869 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.9% | 403 of 20,869 | new |
| Claude-SearchBot | Anthropic | answer index | 1.7% | 362 of 20,869 | new |
| Perplexity-User | Perplexity | live retrieval | 1.7% | 361 of 20,869 | new |
| PanguBot | Huawei | training | 1.7% | 359 of 20,869 | new |
| Claude-User | Anthropic | live retrieval | 1.7% | 358 of 20,869 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.6% | 343 of 20,869 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.6% | 325 of 20,869 | new |
| Google-CloudVertexBot | live retrieval | 1.3% | 279 of 20,869 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 251 of 20,869 | new |
| Applebot | Apple | answer index | 1.2% | 243 of 20,869 | new |
| GoogleOther | training | 1.1% | 225 of 20,869 | new | |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 167 of 20,869 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 156 of 20,869 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 101 of 20,869 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 68 of 20,869 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 42 of 20,869 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 37 of 20,869 | new |
| Bingbot | Microsoft | answer index | 0.2% | 33 of 20,869 | new |
| Googlebot-News | answer index | 0.1% | 27 of 20,869 | new | |
| msnbot | Microsoft | answer index | 0.1% | 23 of 20,869 | new |
| Googlebot | answer index | 0.1% | 14 of 20,869 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 11 of 20,869 | new |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 1 of 20,869 | 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, 2026-W31", 2026-08-02. https://crawlcensus.com/report/2026-W31Machine-readable: census totals, full corpus, crawler registry. Method: methodology.