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Still time to participate in the Common Crawl code contest

Still time to participate in the Common Crawl code contest

There is still plenty of time left to participate in the Common Crawl code contest! The contest is accepting entries until August 30th, why not spend some time this week playing around with the Common Crawl corpus and then submit your work to the contest?
Strata Conference + Hadoop World

Strata Conference + Hadoop World

This year's Strata Conference teams up with Hadoop World for what promises to be a powerhouse convening in NYC from October 23-25. Check out their full announcement below and secure your spot today.
Mat Kelcey Joins The Common Crawl Advisory Board

Mat Kelcey Joins The Common Crawl Advisory Board

We are excited to announce that Mat Kelcey has joined the Common Crawl Board of Advisors! Mat has been extremely helpful to Common Crawl over the last several months and we are very happy to have him as an official Advisor to the organization.
Common Crawl's Brand Spanking New Video and First Ever Code Contest!

Common Crawl's Brand Spanking New Video and First Ever Code Contest!

At Common Crawl we've been busy recently! After announcing the release of 2012 data and other enhancements, we are now excited to share with you this short video that explains why we here at Common Crawl are working hard to bring web crawl data to anyone who wants to use it.
2012 Crawl Data Now Available

2012 Crawl Data Now Available

I am very happy to announce that Common Crawl has released 2012 crawl data as well as a number of significant enhancements to our example library and help pages.
The Open Cloud Consortium’s Open Science Data Cloud

The Open Cloud Consortium’s Open Science Data Cloud

Common Crawl has started talking with the Open Cloud Consortium (OCC) about working together. If you haven’t already heard of the OCC, it is an awesome nonprofit organization managing and operating cloud computing infrastructure that supports scientific, environmental, medical and health care research.
OSCON 2012

OSCON 2012

We're just one month away from one of the biggest and most exciting events of the year, O'Reilly's Open Source Convention (OSCON). This year's conference will be held July 16th-20th in Portland, Oregon.
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.
Big Data Week: meetups in SF and around the world

Big Data Week: meetups in SF and around the world

Big Data Week aims to connect data enthusiasts, technologists, and professionals across the globe through a series of meet-ups. The idea is to build community among groups working on big data and to spur conversations about relevant topics ranging from technology to commercial use cases.
Twelve steps to running your Ruby code across five billion web pages

Twelve steps to running your Ruby code across five billion web pages

The following is a guest blog post by Pete Warden, a member of the Common Crawl Advisory Board. Pete is a British-born programmer living in San Francisco. After spending over a decade as a software engineer, including 5 years at Apple, he’s now focused on a career as a mad scientist.
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'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.
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.
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.
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.
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 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.
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 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.
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 Blog

Interactive Webgraph Statistics Notebook Released

October 28, 2020

We are pleased to announce the release of an interactive Jupyter notebook that is used to provide visualization of webgraph statistics, and a way to interact with the webgraph.

Read More...

Host- and Domain-Level Web Graphs Jul/Aug/Sep 2020

October 16, 2020

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 2020. Additional information about the data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

Read More...

September 2020 crawl archive now available

October 7, 2020

The crawl archive for September 2020 is now available! The data was crawled between September 18th and October 2nd and contains 3.45 billion web pages or 345 TiB of uncompressed content. It includes page captures of 1.5 billion new URLs, not visited in any of our prior crawls.

Read More...

August 2020 crawl archive now available

August 19, 2020

The crawl archive for August 2020 is now available! It contains 2.45 billion web pages or 235 TiB of uncompressed content, crawled between August 2nd and 15th. It includes page captures of 940 million URLs unknown in any of our prior crawl archives.

Read More...

July 2020 crawl archive now available

July 20, 2020

The crawl archive for July 2020 is now available! It contains 3.14 billion web pages or 300 TiB of uncompressed content, crawled between July 2nd and 16th. It includes page captures of 1.1 billion URLs unknown in any of our prior crawl archives.

Read More...

Host- and Domain-Level Web Graphs Feb/Mar/May 2020

June 16, 2020

We are pleased to announce a new release of host-level and domain-level web graphs based on the crawls of February, March/April and May/June 2020. Additional information about the data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

Read More...

May/June 2020 crawl archive now available

June 10, 2020

The crawl archive for May/June 2020 is now available! It contains 2.75 billion web pages or 255 TiB of uncompressed content, crawled between May 24th and June 7th. It includes page captures of 1.2 billion URLs unknown in any of our prior crawl archives.

Read More...

March/April 2020 crawl archive now available

April 14, 2020

The crawl archive for March/April 2020 is now available! It contains 2.85 billion web pages or 280 TiB of uncompressed content, crawled between March 28th and April 10th. It includes page captures of 1 billion URLs unknown in any of our prior crawl archives.

Read More...

February 2020 crawl archive now available

March 4, 2020

The crawl archive for February 2020 is now available! It contains 2.6 billion web pages or 240 TiB of uncompressed content, crawled between February 16th and 29th. It includes page captures of 1 billion URLs unknown in any of our prior crawl archives.

Read More...

Host- and Domain-Level Web Graphs Nov/Dec/Jan 2019 – 2020

February 10, 2020

We are pleased to announce a new release of host-level and domain-level web graphs based on the crawls of November, December 2019 and January 2020. Additional information about the data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

Read More...

January 2020 crawl archive now available

February 3, 2020

The crawl archive for January 2020 is now available! It contains 3.1 billion web pages or 300 TiB of uncompressed content, crawled between January 17th and 29th. It includes page captures of 960 million URLs not contained in any crawl archive before.

Read More...

December 2019 crawl archive now available

December 19, 2019

The crawl archive for December 2019 is now available! It contains 2.45 billion web pages or 234 TiB of uncompressed content, crawled between December 5th and 16th. It includes page captures of 850 million URLs not contained in any crawl archive before.

Read More...

November 2019 crawl archive now available

November 27, 2019

The crawl archive for November 2019 is now available! It contains 2.55 billion web pages or 250 TiB of uncompressed content, crawled between November 11th and 23rd with a short operational break on Nov 16th. It includes page captures of 1.1 billion URLs not contained in any crawl archive before.

Read More...

Host- and Domain-Level Web Graphs Aug/Sep/Oct 2019

November 12, 2019

We are pleased to announce a new release of host-level and domain-level web graphs based on the published crawls of August, September and October 2019. Additional information about the data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

Read More...

October 2019 crawl archive now available

October 29, 2019

The crawl archive for October 2019 is now available! It contains 3.0 billion web pages or 280 TiB of uncompressed content, crawled between October 13th and 24th. It includes page captures of 1.1 billion URLs not contained in any crawl archive before.

Read More...

September 2019 crawl archive now available

September 28, 2019

The crawl archive for September 2019 is now available! It contains 2.55 billion web pages or 240 TiB of uncompressed content, crawled between September 15th and 24th. It includes page captures of 1.0 billion URLs not contained in any crawl archive before. The other 1.5 billion pages have been already captured in prior crawls and are now revisited.

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August 2019 crawl archive now available

August 30, 2019

The crawl archive for August 2019 is now available! It contains 2.95 billion web pages or 260 TiB of uncompressed content, crawled between August 17th and 26th.

Read More...

Host- and Domain-Level Web Graphs May/June/July 2019

August 8, 2019

We are pleased to announce a new release of host-level and domain-level web graphs based on the published crawls of May, June and July 2019. Additional information about the data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

Read More...

July 2019 crawl archive now available

July 30, 2019

The crawl archive for July 2019 is now available! It contains 2.6 billion web pages or 220 TiB of uncompressed content, crawled between July 15th and 24th.

Read More...

June 2019 crawl archive now available

July 2, 2019

The crawl archive for June 2019 is now available! It contains 2.6 billion web pages or 220 TiB of uncompressed content, crawled between June 16th and 27th with an operational break from 21st to 24th.

Read More...

May 2019 crawl archive now available

May 31, 2019

The crawl archive for May 2019 is now available! It contains 2.65 billion web pages or 220 TiB of uncompressed content, crawled between May 19th and 27th.

Read More...

Host- and Domain-Level Web Graphs Feb/Mar/Apr 2019

May 9, 2019

We are pleased to announce a new release of host-level and domain-level web graphs based on the published crawls of February, March and April 2019. Additional information about the data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.

Read More...

April 2019 crawl archive now available

April 30, 2019

The crawl archive for April 2019 is now available! It contains 2.5 billion web pages or 198 TiB of uncompressed content, crawled between April 18th and 26th.

Read More...

March 2019 crawl archive now available

April 1, 2019

The crawl archive for March 2019 is now available! It contains 2.55 billion web pages or 210 TiB of uncompressed content, crawled between March 18th and 27th.

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February 2019 crawl archive now available

March 1, 2019

The crawl archive for February 2019 is now available! It contains 2.9 billion web pages or 225 TiB of uncompressed content, crawled between February 15th and 24th.

Read More...