Weekly report · 2005-W21
The state of AI crawling
Measured on 30,248 reachable domains for the week ending 2005-05-29. 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.
30,248
domains measured
7%
block an answer engine
20%
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 | 7.1% | 2,160 of 30,242 | new |
| CCBot | Common Crawl Foundation | archive | 6.8% | 2,050 of 30,242 | new |
| Bytespider | ByteDance | training | 6.5% | 1,972 of 30,242 | new |
| ClaudeBot | Anthropic | training | 5.8% | 1,756 of 30,242 | new |
| Amazonbot | Amazon | training | 4.8% | 1,451 of 30,242 | new |
| Meta-ExternalAgent | Meta | training | 4.8% | 1,438 of 30,242 | new |
| Applebot-Extended | Apple | training | 4.7% | 1,435 of 30,242 | new |
| Google-Extended | training | 4.7% | 1,425 of 30,242 | new | |
| anthropic-ai | Anthropic | training | 4.4% | 1,338 of 30,242 | new |
| omgilibot | Webz.io | training | 4.4% | 1,335 of 30,242 | new |
| Diffbot | Diffbot | training | 4.2% | 1,264 of 30,242 | new |
| cohere-ai | Cohere | live retrieval | 4.1% | 1,250 of 30,242 | new |
| omgili | Webz.io | training | 4.0% | 1,223 of 30,242 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,125 of 30,242 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.4% | 1,034 of 30,242 | new |
| PerplexityBot | Perplexity | answer index | 3.4% | 1,028 of 30,242 | new |
| FacebookBot | Meta | training | 3.2% | 965 of 30,242 | new |
| YouBot | You.com | answer index | 3.0% | 894 of 30,242 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 841 of 30,242 | new |
| Timpibot | Timpi | training | 2.7% | 825 of 30,242 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 728 of 30,242 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 698 of 30,242 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 625 of 30,242 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 615 of 30,242 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.7% | 526 of 30,242 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 521 of 30,242 | new |
| PanguBot | Huawei | training | 1.7% | 516 of 30,242 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 493 of 30,242 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 472 of 30,242 | new |
| Perplexity-User | Perplexity | live retrieval | 1.6% | 469 of 30,242 | new |
| Google-CloudVertexBot | live retrieval | 1.5% | 468 of 30,242 | new | |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 459 of 30,242 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 452 of 30,242 | new |
| GoogleOther | training | 1.4% | 428 of 30,242 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 361 of 30,242 | new |
| Applebot | Apple | answer index | 1.2% | 352 of 30,242 | new |
| TikTokSpider | ByteDance | live retrieval | 0.9% | 260 of 30,242 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 242 of 30,242 | new |
| MistralAI-Training | Mistral AI | training | 0.7% | 199 of 30,242 | new |
| Amzn-User | Amazon | live retrieval | 0.6% | 181 of 30,242 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 93 of 30,242 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 52 of 30,242 | new |
| Bingbot | Microsoft | answer index | 0.1% | 40 of 30,242 | new |
| Googlebot-News | answer index | 0.1% | 35 of 30,242 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 24 of 30,242 | new |
| msnbot | Microsoft | answer index | 0.1% | 19 of 30,242 | new |
| Googlebot | answer index | 0.0% | 15 of 30,242 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 12 of 30,242 | 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, 2005-W21", 2005-05-29. https://crawlcensus.com/report/2005-W21Machine-readable: census totals, full corpus, crawler registry. Method: methodology.