Unlocking the Web's Raw Potential

The world's most comprehensive, open repository of web crawl data. Fueling research, innovation, and discovery.

Explore the Data

Democratizing Web Data for All

Founded in 2007, Common Crawl is a non-profit foundation dedicated to making the vast expanse of the internet accessible to researchers, developers, and innovators worldwide. We provide a free, open, and continuously updated corpus of web crawl data, empowering anyone to conduct high-quality analysis and drive transformative discoveries.

Our mission is to foster collaboration and accelerate progress on critical global issues by enabling wholesale extraction, transformation, and analysis of open web data.

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Core Offerings & Features

Massive Corpus

Over 300 billion pages spanning 15 years, with 3-5 billion new pages added monthly. A truly colossal dataset.

Open & Accessible

Free to access, download, and analyze. Hosted on AWS for seamless integration with cloud-based processing.

Structured Data Formats

Access raw WARC files, extracted plaintext (WET), and rich metadata (WAT) for diverse analytical needs.

Web Graphs

Explore host- and domain-level graphs for advanced link analysis, spam detection, and network research.

AI-Ready Data

Our data is a critical resource for training large language models and advancing AI research.

Continuous Updates

Benefit from regular, fresh crawls ensuring your research and applications are built on current web data.

Driving Innovation & Research

Our open data has been the backbone for thousands of research papers, technological advancements, and critical analyses across diverse fields.

10,000+

Cited Research Papers

15+ Years

Continuous Data Collection

3+ Billion

Pages Added Monthly

Global Community

Facilitating International Collaboration

Connect & Collaborate

Join our vibrant community and leverage our extensive resources to get the most out of Common Crawl.

Get Started

Community Hubs

Documentation & Support

About Us

Get in Touch

Have questions or inquiries? Reach out to us.

General Inquiries

[email protected]

Community Support

Join our Discord server or check our FAQ.

For Developers

Engage on our Mailing List.