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Common Crawl - Blog - 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 - Blog - 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.

Common Crawl - Blog - 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 - Blog - 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.

Common Crawl - Blog - 5 Good Reads in Big Open Data: February 27 2015

February 27, 2015. 5 Good Reads in Big Open Data: February 27 2015.

Common Crawl - Blog - Startup Profile: SwiftKey’s Head Data Scientist on the Value of Common Crawl’s Open Data

Startup Profile: SwiftKey’s Head Data Scientist on the Value of Common Crawl’s Open Data. Sebastian Spiegler is the head of the data team and SwiftKey and a volunteer at Common Crawl.

Common Crawl - Blog - 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! 

Common Crawl - Blog - 5 Good Reads in Big Open Data: Feb 13 2015

February 13, 2015. 5 Good Reads in Big Open Data: Feb 13 2015. What does it mean for the Open Web if users don't know they're on the internet? Via QUARTZ: “This is more than a matter of semantics.

Common Crawl - Blog - Reflections on Recent Talks at the Turing Institute and UCL

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. Common Crawl Foundation.

Common Crawl - Blog - Opening the Gates to Online Safety

Last week in Paris, at the AI Action Summit, a coalition of major technology companies and foundations announced the launch of ROOST: Robust Online Open Safety Tools. Thom Vaughan. Thom is Principal Technologist at the Common Crawl Foundation.

Common Crawl - Mission

Small startups or even individuals can now access high quality crawl data that was previously only available to large search engine corporations.

Common Crawl - Blog - Common Crawl URL Index

Note: this post has been marked as obsolete. We are thrilled to announce that Common Crawl now has a URL index! Scott Robertson, founder of triv.io graciously donated his time and skills to creating this valuable tool. Scott Robertson.

Common Crawl - Blog - March/April 2024 Newsletter

We're excited to share an update on some of our recent projects and initiatives in this newsletter! 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 - Team - Greg Lindahl

Before joining Common Crawl full-time in 2023, Greg was a member of the Event Horizon Telescope Collaboration, working at the Center for Astrophysics - Harvard & Smithsonian. He has also contributed to the Wayback Machine at the Internet Archive.

Common Crawl - Blog - New Crawl Data Available!

The data was collected in 2013, contains approximately 2 billion web pages and is 102TB in size (uncompressed). 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 - 5 Good Reads in Big Open Data: March 20 2015

March 20, 2015. 5 Good Reads in Big Open Data: March 20 2015.

Common Crawl - Blog - Analysis of the NCSU Library URLs in the Common Crawl Index

Analysis of the NCSU Library URLs in the Common Crawl Index. Note: this post has been marked as obsolete. Last week we announced the Common Crawl URL Index.

Common Crawl - Blog - 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 - Blog - Submission to the UK’s Copyright and AI Consultation

In the face of that growth, policymakers around the world are examining how copyright laws can facilitate text and data mining in general and AI training in particular in order to serve the public interest.

Common Crawl - Blog - A Further Look Into the Prevalence of Various ML Opt–Out Protocols

The first iteration is the pre–crawl seed WARC files for October (Week 40 of 2023, ~134.0 TiB) and the second iteration is for December (Week 50 of 2023, ~1008 GiB).

Common Crawl - Blog - blekko donates search data to Common Crawl

blekko was founded in 2007 to pursue innovations that would eliminatespam in search results. blekkohas created a new type of searchexperience that enlists human editors in its efforts to eliminate spamand personalize search. blekko has raised $55 million in

Common Crawl - Team - Joy Jing

She advises early stage startups on design, marketing, and go-to-market. Joy is also an artist and published author. She holds a bachelor’s from Harvard where she studied Environmental Science, Architecture, and Economics.

Common Crawl - Blog - January/February 2025 Newsletter

In December we introduced an. annotation campaign for Language Identification. (LID or LangID) that we will conduct in collaboration with. MLCommons.

Common Crawl - Blog - April 2018 Crawl Archive Now Available

The archive is located in the. commoncrawl. bucket at. crawl-data/CC-MAIN-2018-17/. It contains 3.1 billion web pages and 230 TiB of uncompressed content, crawled between April 19th and 27th.

Common Crawl - Team - Pete Warden

Pete Warden is CEO at Useful Sensors, was previously technical lead of the TensorFlow Micro team at Google, and founder of Jetpac, a deep learning technology startup acquired by Google in 2014.

Common Crawl - Erratum - Missing content_truncated flag in URL indexes

Missing content_truncated flag in URL indexes. The flag in our URL indexes (CDX and columnar) that indicates whether or not a WARC record payload was truncated was added in CC-MAIN-2019-47.

Common Crawl - Blog - Professor Jim Hendler Joins the Common Crawl Advisory Board!

In fact, he has been writing about it for over a decade – since before most of us had even heard the term.

Common Crawl - Blog - April 2025 Crawl Archive Now Available

Page captures are from 47.5 million hosts or 38.8 million registered domains and include 838 million new URLs, not visited in any of our prior crawls. Thom Vaughan. Thom is Principal Technologist at the Common Crawl Foundation.

Common Crawl - Blog - WikiReverse- Visualizing Reverse Links with the Common Crawl Archive

This is a guest blog post by Ross Fairbanks, a software developer based in Barcelona. He mainly develops in Ruby and is interested in open data and cloud computing. This guest post describes his open data project and why he built it. Ross Fairbanks.

Common Crawl - Blog - Dialog and Discovery at AI_dev 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. Common Crawl Foundation.

Common Crawl - Erratum - Erroneous title field in WAT records

Erroneous title field in WAT records. Originally reported by. Robert Waksmunski. The "Title" extracted in WAT records to the JSON path `.

Common Crawl - Blog - March 2019 crawl archive now available

The March crawl contains page captures of 660 million URLs not contained in any crawl archive before. New URLs are sampled based on the host and domain ranks (harmonic centrality) published as part of the.

Common Crawl - Blog - 3.25 Billion Pages Crawled in July 2018

July 28, 2018. 3.25 Billion Pages Crawled in July 2018. The crawl archive for July 2018 is now available! The archive contains 3.25 billion web pages and 255 TiB of uncompressed content, crawled between July 15th and 23th. Sebastian Nagel.

Common Crawl - Blog - June 2018 Crawl Archive Now Available

The June crawl contains 700 million new URLs, not contained in any crawl archive before. New URLs are “mined” by. extracting and sampling URLs from. sitemaps. , RSS and Atom feeds if provided by hosts visited in prior crawls.

Common Crawl - Blog - June 2019 crawl archive now available

The June crawl contains page captures of 880 million URLs not contained in any crawl archive before. New URLs are sampled based on the host and domain ranks (harmonic centrality) published as part of the.

Common Crawl - Erratum - Redundant extra line in response records

Redundant extra line in response records. Originally reported by. Greg Lindahl. The WARC files of the August 2018 crawl contain a redundant empty line between the HTTP headers and the payload. of WARC response records.

Common Crawl - Blog - March 2025 Crawl Archive Now Available

Page captures are from 46.7 million hosts or 38 million registered domains and include 0.9 billion new URLs, not visited in any of our prior crawls. Archive Location & Download.

Common Crawl - Erratum - Charset Detection Bug in WET Records

Charset Detection Bug in WET Records. Originally reported by. Javier de la Rosa. The charset detection required to properly transform non-UTF-8 HTML pages in WARC files into WET records didn't work before November 2016 due to a bug in.

Common Crawl - Erratum - No truncation indicator in WARC records

No truncation indicator in WARC records. Originally reported by. Henry Thompson. Due to. an issue. with our crawler, not all truncations were indicated correctly.

Common Crawl - Blog - January 2019 crawl archive now available

The January crawl contains page captures of 850 million URLs not contained in any crawl archive before. New URLs are sampled based on the host and domain ranks (harmonic centrality) published as part of the.

Common Crawl - Blog - May 2018 Crawl Archive Now Available

The archive is located in the. commoncrawl. bucket at. crawl-data/CC-MAIN-2018-22/. It contains 2.75 billion web pages and 215 TiB of uncompressed content, crawled between May 20th and 28th.

Common Crawl - Blog - December 2018 crawl archive now available

The December crawl contains page captures of 735 million URLs not contained in any crawl archive before. New URLs stem from: extracting and sampling URLs from. sitemaps. , RSS and Atom feeds if provided by hosts visited in prior crawls.

Common Crawl - Blog - August 2019 crawl archive now available

The August crawl contains page captures of 1.1 billion URLs not contained in any crawl archive before. New URLs are sampled based on the host and domain ranks (harmonic centrality) published as part of the.

Common Crawl - Blog - Common Crawl Foundation at NeurIPS 2024: Expanding Horizons and Building Connections

Stephen Burns is an accomplished marketing leader with a comprehensive background in digital and event marketing. Last week, members of the Common Crawl Foundation team—Chris, Greg, Jason, Rich, Sam, Stephen, and Wayne—attended the.

Common Crawl - Blog - November 2018 crawl archive now available

The November crawl contains 640 million new URLs, not contained in any crawl archive before. New URLs stem from: extracting and sampling URLs from. sitemaps. , RSS and Atom feeds if provided by hosts visited in prior crawls.

Common Crawl - Blog - Twelve steps to running your Ruby code across five billion web pages

Note that this one is a folder, not a single file, and it will read whichever files are in that bucket below that location.

Common Crawl - Terms of Use

in the claim or action and/or to select its own separate legal counsel shall in no way limit or modify your obligations set forth above in this section. 10.

Common Crawl - Blog - May 2019 crawl archive now available

The May crawl contains page captures of 825 million URLs not contained in any crawl archive before. New URLs are sampled based on the host and domain ranks (harmonic centrality) published as part of the.

Common Crawl - Blog - July 2019 crawl archive now available

The July crawl contains page captures of 810 million URLs not contained in any crawl archive before. New URLs are sampled based on the host and domain ranks (harmonic centrality) published as part of the.

Common Crawl - Blog - Oct/Nov 2023 Performance Issues

Our datasets have become very popular over time, with downloads doubling every 6 months for several years in a row. This post details some steps to take if you are impacted by performance issues. Greg Lindahl.

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

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.

Common Crawl - Blog - October 2018 crawl archive now available

The October crawl contains 600 million new URLs, not contained in any crawl archive before. New URLs stem from: extracting and sampling URLs from. sitemaps. , RSS and Atom feeds if provided by hosts visited in prior crawls.

Common Crawl - Blog - April 2019 crawl archive now available

The April crawl contains page captures of 750 million URLs not contained in any crawl archive before. New URLs are sampled based on the host and domain ranks (harmonic centrality) published as part of the.

Common Crawl - Blog - Introducing Common Crawl AI Agent by ReadyAI

This AI Agent uses an LLM plus RAG (Retrieval-Augmented Generation) to be able to answer questions by searching content in our website, plus one hop away on the web, and from our public mailing list archive.

Common Crawl - Blog - February 2019 crawl archive now available

Nov/Dec/Jan 2018/2019 webgraph data set. from the following sources: sitemaps. , RSS and Atom feeds. a breadth-first side crawl within a maximum of 5 links (“hops”) away from the homepages of the top 50 million hosts and domains. a random sample of outlinks

Common Crawl - Blog - Common Crawl's First In-House Web Graph

We produced this graph, and intend to produce similar graphs going forward, because the Common Crawl community has expressed a strong interest in using Common Crawl data for graph processing, particularly with respect to: web graph and page rankings. produced

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

This is a particularly relevant example in the context of AI.

Common Crawl - Blog - December 2024 Crawl Archive Now Available

WAT. files to this change. The examples in the projects. cc-pyspark. and. cc-warc-examples. were updated accordingly, see. cc-pyspark#46. resp. cc-warc-examples#5. Below are two. JSON. snippets of multi-valued headers: The. WARC-Protocol. header field: {.

UK Copyright and AI Consultation Submission

This democratization of data allows smaller entities to compete with larger organizations. While the focus of this consultation is AI, it is important to underscore that our data has been essential to driving progress in a wide range of areas.

Common Crawl - Blog - A Look Inside Our 210TB 2012 Web Corpus

Want to know more detail about what data is in the 2012 Common Crawl corpus without running a job? Now you can thanks to Sebastian Spiegler! Common Crawl Foundation.