Common Crawl maintains a free, open repository of web crawl data that can be used by anyone.

Common Crawl is a 501(c)(3) non–profit founded in 2007.
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We make wholesale extraction, transformation and analysis of open web data accessible to researchers.

Zhihong Shao, Peiyi Wang, Qihao Zhu, Runxin Xu, Junxiao Song, Mingchuan Zhang, Y.K. Li, Y. Wu, Daya Guo

DeepSeekMath: Pushing the Limits of Mathematical Reasoning in Open Language Models

Computation and Language

Asier Gutiérrez-Fandiño, David Pérez-Fernández, Jordi Armengol-Estapé, David Griol, Zoraida Callejas

esCorpius: A Massive Spanish Crawling Corpus

The Web as a Graph (Master's Thesis)

Marius Løvold Jørgensen, UiT Norges Arktiske Universitet

BacklinkDB: A Purpose-Built Backlink Database Management System

Internet Security: Phishing Websites

Asadullah Safi, Satwinder Singh

A Systematic Literature Review on Phishing Website Detection Techniques

More on Google Scholar Curated BibTeX Dataset

Latest Blog Post:

News

Common Crawl at the United Nations Open Source Week, June 2025

The Common Crawl Foundation team took part in the United Nations Open Source Week in New York City this June, meeting with global developers, researchers, and policymakers to discuss all things open source and AI.

Common Crawl Foundation

Common Crawl builds and maintains an open repository of web crawl data that can be accessed and analyzed by anyone.

Common Crawl maintains a free, open repository of web crawl data that can be used by anyone.

Common Crawl is a 501(c)(3) non–profit founded in 2007.‍We make wholesale extraction, transformation and analysis of open web data accessible to researchers.

Over 250 billion pages spanning 15 years.

Free and open corpus since 2007.

Cited in over 10,000 research papers.

3–5 billion new pages added each month.

Featured Papers:

Research on Free Expression Online

Jeffrey Knockel, Jakub Dalek, Noura Aljizawi, Mohamed Ahmed, Levi Meletti, and Justin Lau

Banned Books: Analysis of Censorship on Amazon.com

Analyzing the Australian Web with Web Graphs: Harmonic Centrality at the Domain Level

Xian Gong, Paul X. McCarthy, Marian-Andrei Rizoiu, Paolo Boldi

Harmony in the Australian Domain Space

The Dangers of Hijacked Hyperlinks

Kevin Saric, Felix Savins, Gowri Sankar Ramachandran, Raja Jurdak, Surya Nepal

Hyperlink Hijacking: Exploiting Erroneous URL Links to Phantom Domains

Enhancing Computational Analysis