ai.robots.txt/table-of-bot-metrics.md

|Name            |Operator |Respects `robots.txt`  |Data use  |Visit regularity  |Description  |
|----------------|---------|-----------------------|----------|------------------|-------------|
| AdsBot-Google   | Google  | Yes (Exceptions for Dynamic Search Ads) | Analyzes website content for ad relevancy, improves ad serving for Google Ads. Data anonymized according to [Google's Privacy Policy](https://policies.google.com/privacy). Unclear on data retention or use by other products. | Varies depending on campaign activity and website updates. Crawls optimized to minimize impact, specific frequency not public. | Web crawler by Google Ads to analyze websites for ad effectiveness and ensure ad relevancy to webpage content. |
|Amazonbot      | Amazon | Yes | Service improvement and enabling answers for Alexa users. | No information provided. | Includes references to crawled website when surfacing answers via Alexa; does not clearly outline other uses. |
|anthropic-ai  | [Anthropic](https://www.anthropic.com) | Unclear at this time. | Scrapes data to train Anthropic's AI products. | No information provided. | Scrapes data to train LLMs and AI products offered by Anthropic. |
|Applebot-Extended   | [Apple](https://support.apple.com/en-us/119829#datausage) | Yes           | Powers features in Siri, Spotlight, Safari, Apple Intelligence, and others. | Unclear at this time. | Apple has a secondary user agent, Applebot-Extended ... [that is] used to train Apple's foundation models powering generative AI features across Apple products, including Apple Intelligence, Services, and Developer Tools.       |
|Bytespider    | ByteDance | No | LLM training. | Unclear at this time. | Downloads data to train LLMS, including ChatGPT competitors. |
|CCBot         | [Common Crawl](https://commoncrawl.org) | [Yes](https://commoncrawl.org/ccbot) | Provides crawl data for an open source repository that has been used to train LLMs. | Unclear at this time. | Sources data that is made openly available and is used to train AI models. |
|ChatGPT-User   | [OpenAI](https://openai.com) | Yes | Takes action based on user prompts. | Only when prompted by a user. | Used by plugins in ChatGPT to answer queries based on user input. |
|ClaudeBot      | [Anthropic](https://www.anthropic.com) | Unclear at this time. | Scrapes data to train Anthropic's AI products. | No information provided. | Scrapes data to train LLMs and AI products offered by Anthropic. |
|Claude-Web | [Anthropic](https://www.anthropic.com) | Unclear at this time. | Scrapes data to train Anthropic's AI products. | No information provided. | Scrapes data to train LLMs and AI products offered by Anthropic. |
|cohere-ai | [Cohere](https://cohere.com) | Unclear at this time. | Retrieves data to provide responses to user-initiated prompts. | Takes action based on user prompts. | Retrieves data based on user prompts. |
|Diffbot | [Diffbot](https://www.diffbot.com/) | At the discretion of Diffbot users. | Aggregates structured web data for monitoring and AI model training. | Unclear at this time. | Diffbot is an application used to parse web pages into structured data; this data is used for monitoring or AI model training. |
|FacebookBot    | Meta/Facebook | [Yes](https://developers.facebook.com/docs/sharing/bot/) | Training language models | Up to 1 page per second | Officially used for training Meta "speech recognition technology," unknown if used to train Meta AI specifically. |
|Google-Extended| Google | [Yes](https://developers.google.com/search/docs/crawling-indexing/overview-google-crawlers) | LLM training. | No information | Used to train Gemini and Vertex AI generative APIs. Does not impact a site's inclusion or ranking in Google Search. |
|GoogleOther    | Google | [Yes](https://developers.google.com/search/docs/crawling-indexing/overview-google-crawlers) | Scrapes data. | No information | "Used by various product teams for fetching publicly accessible content from sites. For example, it may be used for one-off crawls for internal research and development." |
|GPTBot        | [OpenAI](https://openai.com) | Yes | Scrapes data to train OpenAI's products. | No information | Data is used to train current and future models, removed paywalled data, PII and data that violates the company's policies. |
| img2dataset | [img2dataset](https://github.com/rom1504/img2dataset) | At the discretion of img2dataset users. | Scrapes images for use in LLMs. | At the discretion of img2dataset users. | Downloads large sets of images into datasets for LLM training or other purposes. |
|omgili        | [Webz.io](https://webz.io/) | [Yes](https://webz.io/blog/web-data/what-is-the-omgili-bot-and-why-is-it-crawling-your-website/) | Data is sold. | No information | Crawls sites for APIs used by Hootsuite, Sprinklr, NetBase, and other companies. Data also sold for research purposes or LLM training. |
|omgilibot     | [Webz.io](https://webz.io/) | [Yes](https://web.archive.org/web/20170704003301/http://omgili.com/Crawler.html) | Data is sold. | No information | Legacy user agent initially used for Omgili search engine. Unknown if still used, `omgili` agent still used by Webz.io. |
|peer39_crawler| [Peer39](https://www.peer39.com/) | [Yes](https://www.peer39.com/crawler-notice) | Targeted advertising. | No information | Web crawler used to "enhance the visibility of your site to advertisers who value and seek out such quality content." |
|peer39_crawler| [Peer39](https://www.peer39.com/) | [Yes](https://www.peer39.com/crawler-notice) | Targeted advertising. | No information | Web crawler used to "enhance the visibility of your site to advertisers who value and seek out such quality content." |
|PerplexityBot | [Perplexity](https://www.perplexity.ai/) | [Yes](https://docs.perplexity.ai/docs/perplexitybot) | Used to answer queries at the request of users. | Takes action based on user prompts.  | Operated by Perplexity to obtain results in response to user queries. |
|YouBot        | [You](https://about.you.com/youchat/) | [Yes](https://about.you.com/youbot/) | Scrapes data for search engine and LLMs. | No information | Retrieves data used for You.com web search engine and LLMs. |