AI crawlers and user agents

On 26 October 2026, the ledger evaluated 198 AI user agents against the robots.txt of every top 10k site.

Last verified 2026-10-26 21:13 UTC (daily run of 2026-10-26). Proof for that day.

The list comes from the community-maintained ai.robots.txt project and is refreshed every day. Headline agents are fixed so their series stay comparable. Shares: top 10k panel, 2026-10-26.

User agentOperatorBlocksPartlyNames it
GPTBot headlineOpenAI Scrapes data to train OpenAI's products.14.6%3.7%16.5%
ClaudeBot headlineAnthropic Scrapes data to train Anthropic's AI products.13.8%3.7%14.2%
CCBot headlineCommon Crawl Foundation Provides open crawl dataset, used for many purposes, including Machine Learning/AI.15.4%3.6%14.1%
Google-Extended headlineGoogle LLM training.12.5%3.6%13.3%
Bytespider headlineByteDance LLM training.15.1%3.6%12.7%
PerplexityBot headlinePerplexity Search result generation.10.0%3.7%11.3%
ChatGPT-User headlineOpenAI AI Assistants8.7%3.9%10.4%
Meta-ExternalAgent headlineMeta Used to train models and improve products.12.4%3.8%10.3%
Applebot-Extended headlineApple Powers features in Siri, Spotlight, Safari, Apple Intelligence, and others.12.1%3.8%10.2%
Amazonbot headlineAmazon Service improvement and enabling answers for Alexa users.11.9%3.7%10.1%
OAI-SearchBot headlineOpenAI Search result generation.7.3%4.0%9.1%
Googlebot headline–2.8%3.8%8.3%
Claude-SearchBot headlineAnthropic Claude-SearchBot navigates the web to improve search result quality for users. It analyzes online content specifically to enhance the relevance and accuracy of search responses.7.2%3.8%5.8%
Claude-User headlineAnthropic AI Assistants7.2%3.9%5.7%
Perplexity-User headlinePerplexity AI Assistants7.5%3.8%5.6%
anthropic-aiAnthropic Scrapes data to train Anthropic's AI products.11.8%3.7%9.8%
cohere-aiCohere Retrieves data to provide responses to user-initiated prompts.11.9%3.7%9.2%
DiffbotDiffbot AI Data Providers12.2%3.6%8.7%
omgiliWebz.io Data is sold.11.7%3.7%8.0%
Claude-WebAnthropic Undocumented AI Agents10.5%3.6%8.0%
PetalBotHuawei Used to provide recommendations in Hauwei assistant and AI search services.10.8%3.6%7.4%
YouBotYou Scrapes data for search engine and LLMs.9.5%3.8%6.6%
FacebookBotMeta/Facebook Training language models9.3%3.8%6.4%
facebookexternalhitMeta/Facebook Ostensibly only for sharing, but likely used as an AI crawler as well3.6%3.9%5.9%
omgilibotWebz.io Data is sold.9.5%3.7%5.8%
TimpibotTimpi Scrapes data for use in training LLMs.9.0%3.7%5.1%
ImagesiftBotImageSift ImageSiftBot is a web crawler that scrapes the internet for publicly available images to support their suite of web intelligence products8.7%3.7%4.8%
DuckAssistBotUnclear at this time. AI Assistants7.7%3.8%4.8%
Google-CloudVertexBotGoogle Build and manage AI models for businesses employing Vertex AI8.1%3.8%4.6%
meta-externalfetcherUnclear at this time. AI Assistants7.7%3.9%4.4%
ScrapyZyte Scrapes data for a variety of uses including training AI.8.2%3.7%4.3%
Webzio-ExtendedUnclear at this time. AI Data Scrapers8.2%3.8%4.2%
GoogleOtherGoogle Scrapes data.7.0%3.9%4.1%
ApplebotUnclear at this time. AI Search Crawlers4.8%3.8%4.0%
ICC-CrawlerNICT Scrapes data to train and support AI technologies.8.1%3.8%4.0%
cohere-training-data-crawlerCohere to download training data for its LLMs (Large Language Models) that power its enterprise AI products AI Data Scrapers7.7%3.8%3.7%
MistralAI-UserMistral AI Assistants7.0%3.8%3.6%
CotoyogiROIS AI LLM Scraper.7.3%3.8%3.1%
PanguBotthe Chinese company Huawei AI Data Scrapers7.1%3.8%3.0%
FriendlyCrawlerUnknown We are using the data from the crawler to build datasets for machine learning experiments.7.1%3.8%3.0%
VelenPublicWebCrawlerVelen Crawler Scrapes data for business data sets and machine learning models.7.0%3.8%2.9%
DeepSeekBotDeepSeek Training language models and improving AI products6.5%3.9%2.7%
SemrushBot-SWASemrush Checks URLs on your site for SEO Writing Assistant.6.8%3.9%2.7%
QualifiedBotQualified AI Assistants6.8%3.8%2.7%
meta-webindexerMeta AI Assistants6.3%3.8%2.6%
BrightbotUnclear at this time. AI Data Providers6.6%3.9%2.5%
atlassian-botAtlassian AI search, assistants and agents6.3%3.9%2.2%
FirecrawlAgentFirecrawl that extracts web content and converts it into structured data for use in LLM and AI applications AI Data Providers6.1%3.9%2.2%
ExaBotUnclear at this time. AI Data Providers5.9%3.8%2.1%
iaskspiderUnclear at this time. Undocumented AI Agents6.3%3.9%2.1%
WARDBotWEBSPARK AI Data Scrapers6.1%3.9%1.9%
ShapBotParallel AI Data Providers6.1%3.9%1.9%
Gemini-Deep-ResearchUnclear at this time. AI Assistants5.4%3.9%1.7%
ChatGLM-SpiderUnclear at this time. AI Data Scrapers5.8%3.9%1.7%
ISSCyberRiskCrawlerISS-Corporate Scrapes data to train machine learning models.5.9%3.9%1.7%
KimiBotMoonshot AI AI Data Scrapers5.9%3.9%1.6%
Amzn-SearchBotUnclear at this time. AI Search Crawlers5.5%3.8%1.6%
MistralAI-TrainingMistral AI AI Data Scrapers5.8%3.9%1.6%
SBIntuitionsBotSB Intuitions Uses data gathered in AI development and information analysis.5.7%3.9%1.6%
TikTokSpiderByteDance LLM training.5.5%3.8%1.6%
aiHitBotaiHit A massive, artificial intelligence/machine learning, automated system.5.7%3.9%1.5%
Amzn-UserAmazon, used for fetching web content to answer user queries through Alexa and other Amazon AI services AI Assistants5.5%3.8%1.5%
Factset_spyderbotFactset AI model training.5.7%3.9%1.5%
PhindBotphind AI Assistants5.4%3.9%1.4%
Bravebothttps://safe.search.brave.com/help/brave-search-crawler AI Data Providers5.3%3.9%1.4%
imageSpiderUnclear at this time. AI Data Scrapers5.6%3.9%1.4%
Google-NotebookLMUnclear at this time. AI Assistants5.2%3.9%1.4%
LinerBotUnclear at this time. AI Assistants5.5%3.9%1.3%
iAskBotUnclear at this time. Undocumented AI Agents5.5%3.9%1.3%
DevinDevin AI AI Coding Agents5.3%3.9%1.2%
EchoboxBotEchobox Data collection to support AI-powered products.5.3%3.9%1.2%
LinkupBotUnclear at this time. AI Search Crawlers5.4%3.9%1.2%
SemrushBot-OCOBSemrush Crawls your site for ContentShake AI tool.5.2%3.9%1.2%
YaKMeltwater According to the [Meltwater Consumer Intelligence page](https://www.meltwater.com/en/suite/consumer-intelligence) 'By applying AI, data science, and market research expertise to a live feed of global data sources, we transform unstructured data into actionable insights allowing better decision-making'.5.2%3.9%1.2%
YandexAdditionalBotYandex Scrapes/analyzes data for the YandexGPT LLM.5.3%3.9%1.2%
PanscientPanscient Data collection and analysis using machine learning and AI.5.3%3.9%1.1%
TavilyBotUnclear at this time. AI Data Providers5.3%3.9%1.1%
GoogleAgent-MarinerGoogle AI Agents5.2%3.9%1.1%
TerraCottaCeramic AI AI Data Providers5.3%3.9%1.1%
AddSearchBotUnclear at this time. AI Search Crawlers5.2%3.9%1.1%
AndibotAndi Search engine using generative AI, AI Search Assistant5.1%3.9%1.1%
laion-huggingface-processorUnclear at this time. AI Data Scrapers5.3%3.9%1.1%
YandexAdditionalYandex Scrapes/analyzes data for the YandexGPT LLM.5.1%3.9%1.0%
WRTNBotUnclear at this time. Undocumented AI Agents5.2%3.9%1.0%
NovaActUnclear at this time. AI Agents5.1%3.9%1.0%
wpbotQuantumCloud Live chat support and lead generation.5.2%3.9%1.0%
amazon-kendraAmazon Collects data for AI natural language search5.1%3.9%1.0%
CloudflareBrowserRenderingCrawlerCloudflare that returns rendered website content for research, monitoring, and AI data workflows AI Data Providers5.1%3.9%1.0%
CrawlspaceCrawlspace AI Data Providers5.2%3.9%1.0%
GrokBotxAI AI Search Crawlers5.0%3.9%1.0%
KlaviyoAIBotKlaviyo AI Assistants5.1%3.9%1.0%
KunatoCrawlerUnclear at this time. Undocumented AI Agents5.2%3.9%1.0%
Manus-UserButterfly Effect, a company based in China AI Agents5.1%3.9%0.9%
QuillBotQuillbot Company offers AI detection, writing tools and other services.5.2%3.9%0.9%
bedrockbotAmazon Data scraping for custom AI applications.5.1%3.9%0.9%
CloudVertexBotUnclear at this time. AI Data Scrapers5.1%3.9%0.9%
ZanistaBotUnclear at this time. AI Search Crawlers5.1%3.9%0.9%
AmazonBuyForMeAmazon AI Agents5.1%3.9%0.9%
GoogleOther-ImageGoogle Scrapes data.4.8%3.9%0.9%
Poggio-CitationsPoggio, a company that provides AI sales enablement tools for creating tailored narratives, business cases, and account plan… AI Assistants5.1%3.9%0.9%
GoogleOther-VideoGoogle Scrapes data.4.8%3.9%0.9%
ThinkbotThinkbot Insights on AI integration and automation.5.1%3.9%0.9%
Shap-UserUnclear at this time. AI Assistants5.1%3.9%0.9%
TwinAgentTwin, a platform that creates automated workers to perform tasks by integrating with APIs and controlling web applications through browser automa… AI Agents5.1%3.9%0.9%
SpiderUnclear at this time. AI Data Scrapers5.1%3.9%0.9%
Cloudflare-AutoRAGCloudflare Collects data for AI search5.0%3.9%0.8%
MyCentralAIScraperBotUnclear at this time. AI data scraper4.9%3.9%0.8%
ExaSearchBotExa AI Search Crawlers5.0%3.9%0.8%
AnomuraDireqt Collects data for AI search5.0%3.9%0.8%
ApifyBotUnclear at this time. AI Data Providers4.9%3.9%0.8%
LCCUnclear at this time. AI Data Scrapers4.9%3.9%0.7%
ApifyWebsiteContentCrawlerUnclear at this time. AI Data Providers4.9%3.9%0.7%
Google-FirebaseGoogle Used as part of AI apps developed by users of Google's Firebase AI products.4.8%3.9%0.7%
MistralAI-IndexMistral AI Indexes web content for Mistral AI's search, used to answer questions in Le Chat. Per Mistral, not used for model training.4.8%3.9%0.7%
OperatorUnclear at this time. AI Agents4.8%3.9%0.7%
xAI-GrokxAI xAI-Grok is an xAI crawler token associated with Grok content collection.4.8%3.9%0.7%
AwarioAwario AI Data Scrapers4.7%3.9%0.6%
ERNIEBotBaidu Collects public web content for Baidu's ERNIE large language models.4.8%3.9%0.6%
Google-AgentUnclear at this time. AI Agents4.6%3.9%0.6%
Diffbot-UserDiffbot AI Assistants4.8%3.9%0.6%
amazon-QBusinessUnclear at this time. AI Assistants4.8%3.9%0.6%
BuddyBotBuddyBotLearning AI Learning Companion4.8%3.9%0.6%
Kimi-UserMoonshot AI that fetches web content on behalf of users interacting with Kimi AI Assistants4.7%3.9%0.5%
OpenAIOpenAI Unclear at this time.4.6%3.9%0.5%
OAI-AdsBotOpenAI Validates and targets ads on ChatGPT.4.4%3.9%0.5%
LAIONDownloaderLarge-scale Artificial Intelligence Open Network AI tools and models for machine learning research.4.7%3.9%0.5%
AzureAI-SearchBotUnclear at this time. AI Search Crawlers4.6%3.9%0.4%
kagi-fetcherKagi that fetches web content to answer user queries through Kagi AI, their suite of AI-powered tools including Assistant, Res… AI Assistants4.6%3.9%0.4%
Claude-CodeUnclear at this time. AI Coding Agents4.5%3.9%0.4%
CodeUnclear at this time. AI Coding Agents4.6%3.9%0.4%
ReflectionbotReflection Undocumented AI Agents4.6%3.9%0.4%
TongyiBotAlibaba that fetches web content for the Tongyi Qianwen assistant and related Qwen-generated answers AI Assistants4.5%3.9%0.4%
GeistHaus-PageFetcherGeistHaus, a company developing AI systems for therapy and psychological assessment AI Assistants4.6%3.9%0.3%
UseAIUnclear at this time. AI Assistants4.6%3.9%0.3%
YiyanBotBaidu that fetches web content for the yiyan AI Assistants4.6%3.9%0.3%
CragCrawlerCragSoftware, a Brazil-based software company specializing in data engineering and AI web scraping services AI Data Providers4.5%3.9%0.3%
Querit-SearchBotQuerit that indexes web content for their search API service, which is designed to provide real-time search results for larg… AI Data Providers4.5%3.9%0.3%
QueritBotQuerit, a company providing a search API for large language model integration AI Data Providers4.5%3.9%0.3%
QwenBotAlibaba Collects public web content for Alibaba's Qwen (Tongyi Qianwen) large language models.4.5%3.9%0.3%
HenkBotUnclear at this time. AI Data Providers4.5%3.9%0.3%
Kimi-SearchBotMoonshot AI AI Search Crawlers4.5%3.9%0.3%
opencodeUnclear at this time. AI Coding Agents4.5%3.9%0.3%
AIWebIndexLyrenth AI Search Crawlers4.5%3.9%0.3%
CursorUnclear at this time. AI Coding Agents4.5%3.9%0.3%
Aranet-SearchBotUnclear at this time. Undocumented AI Agents4.5%3.9%0.3%
DoubaoBotByteDance AI crawler for ByteDance's Doubao AI assistant.4.5%3.9%0.3%
KeenableBotKeenable AI Search Crawlers4.5%3.9%0.3%
MoonshotBotKimi MoonshotBot is a training crawler.4.5%3.9%0.3%
TraeUnclear at this time. AI Coding Agents4.5%3.9%0.3%
AgentDataBotUnclear at this time. AI Data Providers4.5%3.9%0.2%
BixelBotUnclear at this time. AI Data Providers4.5%3.9%0.2%
Mozilla-TabstackMozilla that performs programmatic, AI-driven interactions with web content through Tabstack AI Data Providers4.5%3.9%0.2%
YiBot01.ai, an AI company founded by Kai-Fu Lee. This bot crawls the web to gather data and content for indexation and AI model training.4.4%3.9%0.2%
HunyuanTencent Hunyuan is a training crawler operated by Tencent.4.4%3.9%0.2%
NotebookLMUnclear at this time. AI Assistants4.4%3.9%0.2%
GoogleAgent-URLContextGoogle that retrieves web content on behalf of Gemini API users AI Assistants4.4%3.9%0.2%
Kimi-AgentMoonshot AI that browses websites while carrying out user-directed research and other tasks AI Agents4.4%3.9%0.2%
qodercliQoder that helps developers build, debug, and modify software from the terminal AI Coding Agents4.4%3.9%0.2%
NagetBotNaget Inc (founded by Chris Samarinas, headquarter in Amherst, Massachusetts) AI data scraper4.4%3.9%0.2%
Google-Gemini-CLIUnclear at this time. AI Coding Agents4.4%3.9%0.2%
newsaiUnclear at this time. AI data scraper4.4%3.9%0.2%
AgentTimesThe Agent Times Data Scraper from RSS Feeds.4.4%3.9%0.1%
LightpandaAnyone who downloads the Lightpanda client. Possibly being used by a Grok-adjacent organization's botnet. AI Data Scrapers4.3%3.9%0.1%
ExaUserUnclear at this time. AI Assistants4.3%3.9%0.1%
MuseUnclear at this time. AI Agents4.3%3.9%0.1%
ElevenlabsBotUnclear at this time. AI Assistants4.3%3.9%0.0%
CledaraBotCledara that visits SaaS providers to complete customer-approved administrative tasks, including invoice collection and user managem… AI Agents4.3%3.9%0.0%
CodexUnclear at this time. AI Coding Agents4.3%3.9%0.0%
DotUnclear at this time. AI Agents4.3%3.9%0.0%
HarkBotUnclear at this time. AI Agents4.3%3.9%0.0%
InstinctUnclear at this time. AI Agents4.3%3.9%0.0%
GrokAppAndroidxAI AI Search Crawlers4.3%3.9%0.0%
nbotNBot AI Search Crawlers4.3%3.9%0.0%
AGI AgentAGI, Inc AI Agents4.2%3.9%0.0%
AI2BotAi2 Content is used to train open language models.4.2%3.9%0.0%
AI2Bot-DeepResearchEvalAi2, a non-profit AI research institute AI Assistants4.2%3.9%0.0%
Ai2Bot-DolmaAi2 Content is used to train open language models.4.2%3.9%0.0%
bigsur.aiBig Sur AI that fetches website content to enable AI-powered web agents, sales assistants, and content marketing solutions for busi… AI Assistants4.2%3.9%0.0%
Brightbot 1.0https://brightdata.com/brightbot LLM/AI training.4.2%3.9%0.0%
CartAI Agentic CommerceCartAI that accesses online stores to support user-directed shopping and checkout workflows AI Agents4.2%3.9%0.0%
Channel3BotUnclear at this time. AI Search Crawlers4.2%3.9%0.0%
ChatGPT AgentOpenAI AI Agents4.2%3.9%0.0%
Crawl4AIUnclear at this time. Undocumented AI Agents4.2%3.9%0.0%
Datenbank CrawlerDatenbank AI Data Scrapers4.2%3.9%0.0%
Echobot BotEchobox AI Data Scrapers4.2%3.9%0.0%
Grok BotUnclear at this time. AI Agents4.2%3.9%0.0%
iaskspider/2.0iAsk Crawls sites to provide answers to user queries.4.2%3.9%0.0%
img2datasetimg2dataset Scrapes images for use in LLMs.4.2%3.9%0.0%
Kangaroo BotUnclear at this time. AI Data Scrapers4.2%3.9%0.0%
Linguee BotLinguee AI powered translation service4.2%3.9%0.0%
MistralAI-User/1.0Mistral AI Takes action based on user prompts.4.2%3.9%0.0%
netEstate Imprint CrawlernetEstate AI Data Scrapers4.2%3.9%0.0%
panscient.comPanscient Data collection and analysis using machine learning and AI.4.2%3.9%0.0%
Payhawk Invoice Fetching AgentPayhawk that retrieves invoices from supplier websites for users and attaches them to expense records AI Agents4.2%3.9%0.0%
Poseidon Research CrawlerPoseidon Research AI research crawler4.2%3.9%0.0%
quillbot.comQuillbot Company offers AI detection, writing tools and other services.4.2%3.9%0.0%
Sidetrade indexer botSidetrade Extracts data for a variety of uses including training AI.4.2%3.9%0.0%
Terra CottaUnclear at this time. AI Data Providers4.2%3.9%0.0%

An agent no robots.txt names still gets a verdict: the * group's. That is why rarely named agents show the same "blocks" share: it is the share of sites closed to every unnamed crawler.