What is CCBot?

CCBot is Common Crawl's web crawler that creates an open repository of web data, making crawled content universally accessible for research, analysis, and AI training purposes. Agent Analytics can track when it visits your website.

Overview

Operated By Common Crawl
Source Official Website
Expected To Follow Robots.txt Yes
Insights Last Updated August 11, 2026

Do you operate this agent? Contact us to suggest an update.

Category

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

Expected Behavior

CCBot tends to make broad, high-volume sweeps that fetch far more pages per visit than a search crawler. Timing is unpredictable: traffic may remain heavy throughout a collection pass, then stop entirely.

CCBot's User Agent

User Agent CCBot/3.0 (https://commoncrawl.org/faq/; info@commoncrawl.org)

How To Block CCBot With Robots.txt

Add this rule to your robots.txt file to block CCBot from accessing your entire website, or use Automatic Robots.txt to block all AI data scrapers at once. You can customize which pages are blocked by swapping out / for a different path.

User-agent: CCBot # https://knownagents.com/agents/ccbot
Disallow: /

Global Statistics for CCBot

As of August 11, 2026, this data reflects agent visits measured across thousands of websites using Agent Analytics, combined with daily scans of the top 1000 websites and their robots.txt files.

Robots.txt Blocked Percentage

23%
23% of top websites are blocking CCBot
Learn How →

Country of Origin

United States
CCBot normally visits From the United States

Robots.txt Blocking Trend

23% of top websites block CCBot in their robots.txt files.

Overall AI Data Scraper Traffic

1.2% of all web traffic came from AI data scrapers.

Top Visited Website Categories

Real Estate
Beauty and Fitness
People and Society
Pets and Animals
Home and Garden

The types of websites most frequently visited by CCBot.

Frequently Asked Questions

Should I Block CCBot?

Block CCBot if you want more control over whether your work is used for AI training. Allowing it may increase the chance that your brand appears in AI-generated answers, but either choice leaves traditional search rankings unchanged. For context, 23% of the top websites we track currently have robots.txt rules for CCBot.


Does CCBot Follow Robots.txt Rules?

Yes. CCBot is expected to follow robots.txt directives, so a disallow rule is the appropriate first step. Automatic Robots.txt can add and maintain that rule, while Agent Analytics lets you verify whether CCBot respects it.


Does CCBot Access Private Content?

Not through legitimate access. CCBot primarily targets public content, but some training-data scrapers also attempt to collect gated or paywalled pages. If content loads without authentication, assume it can be collected.


Why Is CCBot Visiting My Website?

Your content matched the criteria Common Crawl set for a training dataset. CCBot typically discovers pages through external links, sitemaps, and seed lists rather than because someone selected your site individually.


How Can I Tell if CCBot Is Visiting My Website?

Agent Analytics tracks CCBot visits in real time alongside every other known AI agent, crawler, and scraper. You can also check your server logs for requests whose user-agent string contains "CCBot". Look for high page counts, short gaps between requests, and deep traversal through linked content. Because CCBot does not publish a verification method, any client can claim its identity and a log match is only a clue.