Common Crawl Blog

The latest news, interviews, technologies, and resources.

Filter by Category or Search by Title

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Learn Hadoop and get a paper published

Learn Hadoop and get a paper published

We're looking for students who want to try out the Apache Hadoop platform and get a technical report published.
Allison Domicone
Allison Domicone was formerly a Program and Policy Consultant to Common Crawl and previously worked for Creative Commons.
Data 2.0 Summit

Data 2.0 Summit

Next week a few members of the Common Crawl team are going the Data 2.0 Summit in San Francisco.
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's Advisory Board

Common Crawl's Advisory Board

As part of our ongoing effort to grow Common Crawl into a truly useful and innovative tool, we recently formed an Advisory Board to guide us in our efforts. We have a stellar line-up of advisory board members who will lend their passion and expertise in numerous fields as we grow our vision.
Allison Domicone
Allison Domicone was formerly a Program and Policy Consultant to Common Crawl and previously worked for Creative Commons.
Common Crawl on AWS Public Data Sets

Common Crawl on AWS Public Data Sets

Common Crawl is thrilled to announce that our data is now hosted on Amazon Web Services' Public Data Sets.
Common Crawl Foundation
Common Crawl builds and maintains an open repository of web crawl data that can be accessed and analyzed by anyone.
Web Data Commons

Web Data Commons

For the last few months, we have been talking with Chris Bizer and Hannes Mühleisen at the Freie Universität Berlin about their work and we have been greatly looking forward the announcement of the Web Data Commons.
Common Crawl Foundation
Common Crawl builds and maintains an open repository of web crawl data that can be accessed and analyzed by anyone.
SlideShare: Building a Scalable Web Crawler with Hadoop

SlideShare: Building a Scalable Web Crawler with Hadoop

Common Crawl on building an open Web-Scale crawl using Hadoop.
Common Crawl Foundation
Common Crawl builds and maintains an open repository of web crawl data that can be accessed and analyzed by anyone.
Video: Gil Elbaz at Web 2.0 Summit 2011

Video: Gil Elbaz at Web 2.0 Summit 2011

Hear Common Crawl founder discuss how data accessibility is crucial to increasing rates of innovation as well as give ideas on how to facilitate increased access to data.
Common Crawl Foundation
Common Crawl builds and maintains an open repository of web crawl data that can be accessed and analyzed by anyone.
Video: This Week in Startups - Gil Elbaz and Nova Spivack

Video: This Week in Startups - Gil Elbaz and Nova Spivack

Nova and Gil, in discussion with host Jason Calacanis, explore in depth what Common Crawl is all about and how it fits into the larger picture of online search and indexing.
Common Crawl Foundation
Common Crawl builds and maintains an open repository of web crawl data that can be accessed and analyzed by anyone.
Video Tutorial: MapReduce for the Masses

Video Tutorial: MapReduce for the Masses

Learn how you can harness the power of MapReduce data analysis against the Common Crawl dataset with nothing more than five minutes of your time, a bit of local configuration, and 25 cents.
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 Enters A New Phase

Common Crawl Enters A New Phase

A little under four years ago, Gil Elbaz formed the Common Crawl Foundation. He was driven by a desire to ensure a truly open web. He knew that decreasing storage and bandwidth costs, along with the increasing ease of crunching big data, made building and maintaining an open repository of web crawl data feasible.
Common Crawl Foundation
Common Crawl builds and maintains an open repository of web crawl data that can be accessed and analyzed by anyone.
Gil Elbaz and Nova Spivack on This Week in Startups

Gil Elbaz and Nova Spivack on This Week in Startups

Nova and Gil, in discussion with host Jason Calacanis, explore in depth what Common Crawl is all about and how it fits into the larger picture of online search and indexing. Underlying their conversation is an exploration of how Common Crawl's open crawl of the web is a powerful asset for educators, researchers, and entrepreneurs.
Allison Domicone
Allison Domicone was formerly a Program and Policy Consultant to Common Crawl and previously worked for Creative Commons.
MapReduce for the Masses: Zero to Hadoop in Five Minutes with Common Crawl

MapReduce for the Masses: Zero to Hadoop in Five Minutes with Common Crawl

Common Crawl aims to change the big data game with our repository of over 40 terabytes of high-quality web crawl information into the Amazon cloud, the net total of 5 billion crawled pages.
Common Crawl Foundation
Common Crawl builds and maintains an open repository of web crawl data that can be accessed and analyzed by anyone.
Answers to Recent Community Questions

Answers to Recent Community Questions

In this post we respond to the most common questions. Thanks for all the support and please keep the questions coming!
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 Discussion List

Common Crawl Discussion List

We have started a Common Crawl discussion list to enable discussions and encourage collaboration between the community of coders, hackers, data scientists, developers and organizations interested in working with open web crawl data.
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 Blog

October/November 2024 Newsletter

November 25, 2024

We’re pleased to announce this month's newsletter, featuring key updates, upcoming events, and community highlights.

Read More...

Host- and Domain-Level Web Graphs September, October, November 2024

November 20, 2024

We are pleased to announce a new release of host-level and domain-level Web Graphs based on the crawls of September, October, and November 2024. The crawls used to generate the graphs were CC-MAIN-2024-46, CC-MAIN-2024-42, and CC-MAIN-2024-38.

Read More...

November 2024 Crawl Archive Now Available

November 18, 2024

The crawl archive for November 2024 is now available. The data was crawled between November 1st and November 15th, and contains 2.68 billion web pages (or 405 TiB of uncompressed content). Page captures are from 47.5 million hosts or 38.3 million registered domains and include 1 billion new URLs, not visited in any of our prior crawls.

Read More...

Reflections on Recent Talks at the Turing Institute and UCL

November 4, 2024

Thom Vaughan and Pedro Ortiz Suarez discussed the power of Common Crawl’s open web data in driving research and innovation during two notable presentations last week.

Read More...

Introducing the Common Crawl Errata Page for Data Transparency

October 30, 2024

As part of our commitment to accuracy and transparency, we are pleased to introduce a new Errata page on our website.

Read More...

Host- and Domain-Level Web Graphs August, September, and October 2024

October 22, 2024

We are pleased to announce a new release of host-level and domain-level Web Graphs based on the crawls of August, September, and October 2024. The crawls used to generate the graphs were CC-MAIN-2024-33, CC-MAIN-2024-38, and CC-MAIN-2024-42.

Read More...

October 2024 Crawl Archive Now Available

October 20, 2024

The data was crawled between October 3rd and October 16th, and contains 2.49 billion web pages (or 365 TiB of uncompressed content). Page captures are from 47.5 million hosts or 38.3 million registered domains and include 1.03 billion new URLs, not visited in any of our prior crawls.

Read More...

White House Briefing on Open Data’s Role in Technology

October 8, 2024

We recently had the honor of briefing the White House Office of Science and Technology Policy (OSTP) on the role of The Common Crawl Foundation as critical infrastructure in the artificial intelligence ecosystem and how we can support U.S. federal efforts in advancing responsible AI use and research.

Read More...

IAB Workshop on AI-CONTROL

September 30, 2024

Earlier this month, the Common Crawl Foundation had the privilege of participating in a groundbreaking workshop hosted by the Internet Architecture Board (IAB) in Washington DC.

Read More...

Host- and Domain-Level Web Graphs July, August, and September 2024

September 26, 2024

We are pleased to announce a new release of host-level and domain-level web graphs based on the crawls of July, August, and September 2024. The crawls used to generate the graphs were CC-MAIN-2024-30, CC-MAIN-2024-33, and CC-MAIN-2024-38.

Read More...

September 2024 Crawl Archive Now Available

September 24, 2024

The crawl archive for September 2024 is now available. The data was crawled between September 7th and September 21st 2024, and contains 2.8 billion web pages (or 410 TiB of uncompressed content).

Read More...

August/September 2024 Newsletter

September 10, 2024

We're pleased to announce our newsletter for August and September 2024.

Read More...

Host- and Domain-Level Web Graphs June, July, and August 2024

August 21, 2024

We are pleased to announce a new release of host-level and domain-level web graphs based on the crawls of June, July, August 2024. The crawls used to generate the graphs were CC-MAIN-2024-33, CC-MAIN-2024-30, and CC-MAIN-2024-26.

Read More...

August 2024 Crawl Archive Now Available

August 18, 2024

The crawl archive for August 2024 is now available. The data was crawled between August 3rd and August 16th, and contains 2.3 billion web pages (or 327.4 TiB of uncompressed content).

Read More...

The Increase of Common Crawl Citations in Academic Research

August 6, 2024

Common Crawl's impact on research has grown substantially since its beginning. Our crawls have become a vital resource for researchers in various fields, from natural language processing to red teaming.

Read More...

Host- and Domain-Level Web Graphs May, June, and July 2024

July 30, 2024

We are pleased to announce a new release of host-level and domain-level Web Graphs based on the crawls of May, June, and July 2024.

Read More...

July 2024 Crawl Archive Now Available

July 28, 2024

We are pleased to announce that the crawl archive for July 2024 is now available, containing 2.5 billion web pages, or 360 TiB of uncompressed content.

Read More...

Common Crawl Statistics Now Available on Hugging Face

July 22, 2024

We're excited to announce that Common Crawl’s statistics are now available on Hugging Face!

Read More...

The Environmental Impact of the Cloud - the Common Crawl Case Study

July 16, 2024

Looking at tools (Green Software) and methodologies to evaluate the environmental impact of the cloud (a nascent activity coined GreenOps).

Read More...

Host- and Domain-Level Web Graphs April, May, and June 2024

June 30, 2024

We are pleased to announce a new release of host-level and domain-level web graphs based on the crawls of April, May, June 2024. The crawls used to generate the graphs were CC-MAIN-2024-18, CC-MAIN-2024-22, and CC-MAIN-2024-26.

Read More...

Dialog and Discovery at AI_dev 2024

June 28, 2024

This month members from the Common Crawl Foundation attended the AI_dev: Open Source GenAI & ML Summit in Paris, where discussions focused on AI advancements, ethics, and Open Source solutions.

Read More...

June 2024 Crawl Archive Now Available

June 28, 2024

The crawl archive for June 2024 is now available. The data was crawled between June 12th and June 26th, and contains 2.7 billion web pages (or 382 TiB of uncompressed content). Page captures are from 52.7 million hosts or 41.4 million registered domains and include 945 million new URLs, not visited in any of our prior crawls.

Read More...

May/June 2024 Newsletter

June 25, 2024

We’re pleased to share our newsletter for May/June 2024, featuring the latest updates, events, and highlights from our community.

Read More...

Host- and Domain-Level Web Graphs February/March, April, and May 2024

June 4, 2024

We are pleased to announce a new release of host-level and domain-level web graphs based on the crawls of February, April, and May 2024.

Read More...

May 2024 Crawl Archive Now Available

June 3, 2024

The crawl archive for May 2024 is now available. The data was crawled between May 18th and May 31st, and contains 2.7 billion web pages (or 377 TiB of uncompressed content). This is our 100th crawl!

Read More...