Weekly report · 2026-W29
The state of AI crawling
Measured on 28,829 reachable domains for the week ending 2026-07-19. 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.
28,829
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 | 11.3% | 3,263 of 28,761 | new |
| CCBot | Common Crawl Foundation | archive | 11.1% | 3,203 of 28,761 | new |
| Bytespider | ByteDance | training | 10.7% | 3,065 of 28,761 | new |
| ClaudeBot | Anthropic | training | 9.9% | 2,858 of 28,761 | new |
| Google-Extended | training | 9.0% | 2,585 of 28,761 | new | |
| Meta-ExternalAgent | Meta | training | 9.0% | 2,576 of 28,761 | new |
| Amazonbot | Amazon | training | 8.9% | 2,553 of 28,761 | new |
| Applebot-Extended | Apple | training | 8.7% | 2,510 of 28,761 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,202 of 28,761 | new |
| omgilibot | Webz.io | training | 4.1% | 1,183 of 28,761 | new |
| Diffbot | Diffbot | training | 3.8% | 1,094 of 28,761 | new |
| cohere-ai | Cohere | live retrieval | 3.8% | 1,081 of 28,761 | new |
| omgili | Webz.io | training | 3.7% | 1,076 of 28,761 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,068 of 28,761 | new |
| PerplexityBot | Perplexity | answer index | 3.6% | 1,039 of 28,761 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.6% | 1,030 of 28,761 | new |
| FacebookBot | Meta | training | 3.2% | 929 of 28,761 | new |
| YouBot | You.com | answer index | 2.8% | 806 of 28,761 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 791 of 28,761 | new |
| Timpibot | Timpi | training | 2.7% | 787 of 28,761 | new |
| Scrapy | Zyte (open-source framework) | training | 2.3% | 663 of 28,761 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 638 of 28,761 | new |
| OAI-SearchBot | OpenAI | answer index | 2.2% | 637 of 28,761 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 563 of 28,761 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 496 of 28,761 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.7% | 493 of 28,761 | new |
| PanguBot | Huawei | training | 1.7% | 485 of 28,761 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 452 of 28,761 | new |
| Claude-User | Anthropic | live retrieval | 1.5% | 440 of 28,761 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 431 of 28,761 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 425 of 28,761 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 394 of 28,761 | new |
| Applebot | Apple | answer index | 1.2% | 339 of 28,761 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 335 of 28,761 | new | |
| Meta-WebIndexer | Meta | answer index | 1.1% | 317 of 28,761 | new |
| GoogleOther | training | 1.1% | 306 of 28,761 | new | |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 230 of 28,761 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 196 of 28,761 | new |
| Amzn-User | Amazon | live retrieval | 0.4% | 112 of 28,761 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 68 of 28,761 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 55 of 28,761 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 54 of 28,761 | new |
| Bingbot | Microsoft | answer index | 0.1% | 41 of 28,761 | new |
| Googlebot-News | answer index | 0.1% | 39 of 28,761 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 28,761 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 17 of 28,761 | new |
| Googlebot | answer index | 0.1% | 16 of 28,761 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 1 of 28,761 | 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-W29", 2026-07-19. https://crawlcensus.com/report/2026-W29Machine-readable: census totals, full corpus, crawler registry. Method: methodology.