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Someone is running mass vulnerability scans, spoofing AI bots like ClaudeBot

Hacker News · 2026-08-12 16:02

Key ecosystem metrics across 5,000+ websites using Agent Analytics and AI Chat Referral Tracking.

↓ 1%

Compared to the previous 90 days

The amount of visits from bots vs. humans

↑ 11%

Compared to the previous 90 days

The percentage of bot traffic that's AI-related

↓ 9%

Compared to the previous 90 days

AI Agent

AI Agent

Uses an actual web browser to autonomously complete complex tasks on behalf of a human user

AI Assistant

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

AI Coding Agent

AI Coding Agent

Fetches documentation and other resources to help build software

AI Data Provider

AI Data Provider

Crawls websites to supply structured content to AI systems as a third-party service

AI Data Scraper

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

AI Search Crawler

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

Archiver

Archiver

Captures and stores historical website snapshots for long-term digital preservation

Automated Agent

Automated Agent

Automates browser interactions programmatically without direct human supervision

Developer Helper

Developer Helper

Assists with testing, debugging, and ensuring website functionality

Fetcher

Fetcher

Retrieves web page metadata to power app features like link previews or feeds

Intelligence Gatherer

Intelligence Gatherer

Analyzes web content for brand safety, competitive insights, and ad targeting

Scraper

Scraper

Extracts large amounts of web data, often without explicit website permission

Search Engine Crawler

Search Engine Crawler

Systematically scans and indexes web pages to include in search results

Security Scanner

Security Scanner

Scans websites for security vulnerabilities, threats, and configuration weaknesses

SEO Crawler

SEO Crawler

Analyzes website structure and content to identify SEO improvement opportunities

Uncategorized

Uncategorized

Not yet assigned a type

Undocumented AI Agent

Undocumented AI Agent

Crawls websites without disclosing its purpose, collecting data for an unknown AI use case

Hover over each agent type for more information about what they do

Agent types with the most activity

bingbot

SRCH

Search Engine Crawler

Systematically scans and indexes web pages to include in search results

8.2%

Googlebot

SRCH

Search Engine Crawler

Systematically scans and indexes web pages to include in search results

7.9%

AhrefsBot

SEO

SEO Crawler

Analyzes website structure and content to identify SEO improvement opportunities

6.3%

Known Agent

DEV

Developer Helper

Assists with testing, debugging, and ensuring website functionality

5.5%

ChatGPT-User

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

3.3%

ClaudeBot

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

3.2%

PetalBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

3.1%

SemrushBot

SEO

SEO Crawler

Analyzes website structure and content to identify SEO improvement opportunities

2.9%

facebookexternalhit

FTCH

Fetcher

Retrieves web page metadata to power app features like link previews or feeds

2.6%

meta-externalagent

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

2.3%

Amazonbot

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

2.3%

Amzn-SearchBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

2.2%

MJ12bot

SEO

SEO Crawler

Analyzes website structure and content to identify SEO improvement opportunities

2.2%

DotBot

SEO

SEO Crawler

Analyzes website structure and content to identify SEO improvement opportunities

2.1%

Applebot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

2.1%

Agents with the most activity

Operators with the most activity

These bots scrape website content to train AI models. Some belong to AI companies, while others belong to third-party services that resell the data. Automatic Robots.txt can block unwanted scraping. Included agent types include AI Data Providers and AI Data Scrapers.

AI Data Provider

AI Data Provider

Crawls websites to supply structured content to AI systems as a third-party service

AI Data Scraper

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

AI scraping activity by agent type over time

Computers and Electronics

5.3%

Business and Industrial

5.0%

Internet and Telecom

4.5%

Website categories with most activity

ClaudeBot

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

27.0%

meta-externalagent

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

19.3%

Amazonbot

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

19.1%

GPTBot

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

9.5%

Bytespider

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

7.3%

ShapBot

PVDR

AI Data Provider

Crawls websites to supply structured content to AI systems as a third-party service

5.6%

GoogleOther

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

3.8%

CCBot

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

2.3%

Timpibot

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

1.8%

YouBot

PVDR

AI Data Provider

Crawls websites to supply structured content to AI systems as a third-party service

1.5%

VelenPublicWebCrawler

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

0.8%

Diffbot

PVDR

AI Data Provider

Crawls websites to supply structured content to AI systems as a third-party service

0.6%

DeepSeekBot

SCRP

AI Data Scraper

Downloads website content to include in datasets used for training AI models such as LLMs

0.5%

AIWebIndex

PVDR

AI Data Provider

Crawls websites to supply structured content to AI systems as a third-party service

0.2%

TerraCotta

PVDR

AI Data Provider

Crawls websites to supply structured content to AI systems as a third-party service

0.2%

Agents doing the most AI scraping

Operators doing the most AI scraping

These bots fetch website content in real time to power AI assistants, coding agents, and other retrieval-augmented generation (RAG) tasks. Pages inform responses on the spot, such as when an assistant summarizes an article or a coding agent references documentation. Included agent types include AI Assistants and AI Coding Agents.

AI Assistant

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

AI Coding Agent

AI Coding Agent

Fetches documentation and other resources to help build software

AI fetching activity by agent type over time

Computers and Electronics

2.4%

Travel and Transportation

1.9%

Business and Industrial

1.8%

Internet and Telecom

1.7%

Website categories with most activity

ChatGPT-User

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

86.1%

DuckAssistBot

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

3.2%

Perplexity-User

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

2.9%

Claude-User

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

2.7%

MistralAI-User

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

2.2%

Claude-Code

CODE

AI Coding Agent

Fetches documentation and other resources to help build software

1.1%

Shap-User

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

1.0%

Google-NotebookLM

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

0.4%

Cursor

CODE

AI Coding Agent

Fetches documentation and other resources to help build software

0.4%

Gemini-Deep-Research

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

0.0%

GoogleAgent-URLContext

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

0.0%

meta-externalfetcher

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

0.0%

Code

CODE

AI Coding Agent

Fetches documentation and other resources to help build software

0.0%

kagi-fetcher

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

0.0%

QualifiedBot

ASST

AI Assistant

Fetches website content in response to a user prompt, to include in an AI-generated answer

0.0%

Agents doing the most AI fetching

Operators doing the most AI fetching

These bots crawl website content so it can be surfaced in AI search engines and AI-generated answers. Those answers often include citations or links back to the source pages. Included agent types include AI Search Crawlers.

AI Search Crawler

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

AI search indexing activity by agent type over time

Travel and Transportation

6.8%

Books and Literature

4.9%

Computers and Electronics

4.6%

Arts and Entertainment

4.6%

Website categories with most activity

PetalBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

25.3%

Amzn-SearchBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

17.4%

Applebot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

16.6%

OAI-SearchBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

11.9%

meta-webindexer

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

10.7%

Claude-SearchBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

10.4%

PerplexityBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

3.5%

LinkupBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

3.3%

Google-CloudVertexBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

0.3%

xAI-SearchBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

0.2%

AzureAI-SearchBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

0.2%

AddSearchBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

0.0%

Anomura

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

0.0%

ExaSearchBot

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

0.0%

MistralAI-Index

SRCH

AI Search Crawler

Indexes website content to possibly include as citations in AI-powered search results

0.0%

Agents doing the most AI search indexing

Operators doing the most AI search indexing

These bots use browsers to autonomously navigate websites, click through pages, and make decisions to complete tasks for people. Agentic UX best practices and Google PageSpeed Insights help evaluate how well websites support them. Included agent types include AI Agents.

↓ 2%

Compared to the previous 90 days

The average duration of a session

↑ 7%

Compared to the previous 90 days

The average number of pages visited per session

AI Agent

AI Agent

Uses an actual web browser to autonomously complete complex tasks on behalf of a human user

AI browsing activity by agent type over time

Computers and Electronics

0.0%

Internet and Telecom

0.0%

Business and Industrial

0.0%

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