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Common Crawl - Blog - Winners of the Code Contest!

Winners of the Code Contest! We’re very excited to announce the winners of the First Ever Common Crawl Code Contest! We were thrilled by the response to the contest and the many great entries.

Common Crawl - Blog - TalentBin Adds Prizes To The Code Contest

TalentBin Adds Prizes To The Code Contest. The prize package for the Common Crawl Code Contest now includes three Nexus 7 tablets thanks to TalentBin! Common Crawl Foundation.

Common Crawl - Blog - Common Crawl Code Contest Extended Through the Holiday Weekend

Common Crawl Code Contest Extended Through the Holiday Weekend. Do you have a project that you are working on for the Common Crawl Code Contest that is not quite ready? If so, you are not the only one.

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 - 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!

Common Crawl - Blog - Amazon Web Services sponsoring $50 in credit to all contest entrants!

Amazon Web Services sponsoring $50 in credit to all contest entrants! Did you know that every entry to the First Ever Common Crawl Code Contest gets $50 in Amazon Web Services (AWS) credits?

Common Crawl - Erratum - Content is truncated

Content is truncated. Some archived content is truncated due to fetch size limits imposed during crawling. This is necessary to handle infinite or exceptionally large data streams (e.g. radio streams).

Common Crawl - Contact Us

Contact Us. To communicate with Common Crawl team and the larger community, please see the. Common Crawl Discussion Group and Mailing List. For physical mail correspondence: Common Crawl Foundation. 9663 Santa Monica Blvd. #425. Beverly Hills, CA 90210.

Common Crawl - Blog - December 2016 Crawl Archive Now Available

We hope to have greater coverage of multi-lingual content in this and future crawls.

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

content.

Common Crawl - Terms of Use

YOU UNDERSTAND AND ACKNOWLEDGE THAT THE FOREGOING SENTENCE RELEASES AND DISCHARGES ALL LIABILITIES, WHETHER OR NOT THEY ARE CURRENTLY KNOWN TO YOU, AND YOU WAIVE YOUR RIGHTS UNDER CALIFORNIA CIVIL CODE SECTION 1542.

Common Crawl - Blog - December 2024 Crawl Archive Now Available

The data was crawled between December 1st and December 15th, and contains 2.64 billion web pages (or 394 TiB of uncompressed content).

Common Crawl - Blog - Balancing Discovery and Privacy: A Look Into Opt–Out Protocols

This is how we think about it (and this is just one opinion of many): Web–scraping, also known as data–scraping or content–scraping, occurs when a bot downloads content without authorization, frequently in order to use it maliciously.

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

With the advent of the Hadoop project, it became possible for those outside the Googleplex to tap into the power of the MapReduce pattern, but one outstanding question remained: where do we get the source data to feed this unbelievably powerful tool?

Common Crawl - Blog - February/March 2021 crawl archive now available

The data was crawled between February 24th and March 9th and contains 2.7 billion web pages or 280 TiB of uncompressed content. It includes page captures of 1.2 billion new URLs, not visited in any of our prior crawls. Sebastian Nagel.

Common Crawl - Blog - Answers to Recent Community Questions

*Is the code open source? *Where can people obtain access to the Hadoop classes and other code? *Where can people learn more about the stack and the processing architecture? *How do you deal with spam and deduping?

Common Crawl - Blog - Data Sets Containing Robots.txt Files and Non-200 Responses

Together with the crawl archive for August 2016 we release two data sets containing robots.txt files and server responses with HTTP status code other than 200 (404s, redirects, etc.)

Common Crawl - Get Started

The connection to S3 should be faster and you avoid the minimal fees for inter-region data transfer (you have to send requests which are charged as outgoing traffic).

Common Crawl - Blog - February 2020 crawl archive 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. Sebastian Nagel.

Common Crawl - Blog - Web Image Size Prediction for Efficient Focused Image Crawling

In the context of using Web image content for analysis and retrieval, it is typically necessary to perform large-scale image crawling.

Common Crawl - Blog - August Crawl Archive Introduces Language Annotations

It contains 2.65 billion web pages and 220 TiB of uncompressed content, crawled between August 14th and 22th.

Common Crawl - Blog - Web Archiving File Formats Explained

This can include information like server response codes, content types, languages, and more.

Common Crawl - Blog - September 2018 crawl archive now available

It contains 2.8 billion web pages and 220 TiB of uncompressed content, crawled between September 17th and 26th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for September 2018 is now available!

Common Crawl - Blog - Towards Social Discovery - New Content Models; New Data; New Toolsets

Towards Social Discovery - New Content Models; New Data; New Toolsets. This is a guest blog post by Matthew Berk, Founder of Lucky Oyster. Matthew has been on the front lines of search technology for the past decade. Matthew Berk.

Common Crawl - Blog - January 2017 Crawl Archive Now Available

The archive contains more than 3.14 billion web pages and about 250 TiB of uncompressed content. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for January 2017 is now available!

Common Crawl - Blog - February 2017 Crawl Archive Now Available

The archive contains 3.08 billion+ web pages and over 250 TiB of uncompressed content. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for February 2017 is now available!

Common Crawl - Blog - March 2025 Crawl Archive Now Available

The data was crawled between March 15th and March 28th, and contains 2.74 billion web pages (or 455 TiB of uncompressed content). Thom Vaughan. Thom is Principal Technologist at the Common Crawl Foundation.

Common Crawl - Blog - August 2017 Crawl Archive Now Available

The archive contains 3.28 billion+ web pages and over 280 TiB of uncompressed content. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for August 2017 is now available!

Common Crawl - Blog - May/June 2024 Newsletter

On April 30th, Common Crawl Foundation hosted an event in New York for a select group of leaders in AI, technology, media, and content.

Common Crawl - Blog - April 2018 Crawl Archive Now Available

The archive contains 3.1 billion web pages and 230 TiB of uncompressed content, crawled between April 19th and 27th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for April 2018 is now available!

Common Crawl - Blog - April 2019 crawl archive now available

It contains 2.5 billion web pages or 198 TiB of uncompressed content, crawled between April 18th and 26th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for April 2019 is now available!

Common Crawl - News Crawl

Yet our monthly crawl and release schedule is not well-adapted to this type of content which is based on developing and current events.

Common Crawl - Blog - April 2025 Crawl Archive Now Available

The data was crawled between April 17th and May 1st, and contains 2.74 billion web pages (or 468 TiB of uncompressed content).

Common Crawl - Blog - September 2016 Crawl Archive Now Available

We plan to extend this approach in depth (allowing more URLs per sitemap) and breadth (adding sitemaps from more hosts), provided that it does not impact the quality of crawled content in terms of duplicates and/or spam.

Common Crawl - Blog - Common Crawl Statistics Now Available on Hugging Face

The Common Crawl Statistics dataset includes metrics such as the number of URLs, domains, bytes, and content types crawled over specific periods.

Common Crawl - Erratum - Missing Language Classification

Starting with crawl CC-MAIN-2018-39 we added a language classification field (‘content-languages’) to the columnar indexes, WAT files, and WARC metadata for all subsequent crawls.

Common Crawl - Blog - Common Crawl's Advisory Board

Board of Directors. , we feel the organization is more prepared than ever to usher in an exciting new phase for Common Crawl and a new wave of innovation in education, business, and research.

Common Crawl - Blog - March 2019 crawl archive now available

It contains 2.55 billion web pages or 210 TiB of uncompressed content, crawled between March 18th and 27th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for March 2019 is now available!

Common Crawl - Blog - Strata Conference + Hadoop World

First Ever Code Contest. If you’ve been thinking about submitting an entry, you couldn’t ask for a better reason to do so: you’ll have the chance to win an all-access pass to Strata Conference + Hadoop World 2012! The Data. Overview. Web Graphs.

Common Crawl - Blog - November 2019 crawl archive 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.

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

The archive contains 3.25 billion web pages and 255 TiB of uncompressed content, crawled between July 15th and 23th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for July 2018 is now available!

Common Crawl - Blog - January 2019 crawl archive now available

It contains 2.85 billion web pages or 240 TiB of uncompressed content, crawled between January 15th and 24th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for January 2019 is now available!

Common Crawl - Blog - May 2018 Crawl Archive Now Available

The archive contains 2.75 billion web pages and 215 TiB of uncompressed content, crawled between May 20th and 28th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for May 2018 is now available!

Common Crawl - Blog - May 2019 crawl archive now available

It contains 2.65 billion web pages or 220 TiB of uncompressed content, crawled between May 19th and 27th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for May 2019 is now available!

Common Crawl - Blog - December 2018 crawl archive now available

It contains 3.1 billion web pages or 250 TiB of uncompressed content, crawled between December 9th and 19th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for December 2018 is now available!

Common Crawl - Blog - November 2018 crawl archive now available

It contains 2.6 billion web pages or 220 TiB of uncompressed content, crawled between November 12th and 22nd. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for November 2018 is now available!

Common Crawl - Blog - May/June 2020 crawl archive 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. Sebastian Nagel.

Common Crawl - Blog - June 2019 crawl archive 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. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl.

Common Crawl - Blog - July 2019 crawl archive now available

It contains 2.6 billion web pages or 220 TiB of uncompressed content, crawled between July 15th and 24th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for July 2019 is now available!

Common Crawl - Blog - October 2018 crawl archive now available

It contains 3.0 billion web pages and 240 TiB of uncompressed content, crawled between October 15th and 24th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for October 2018 is now available!

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

Partial justification of this belief: (a) there already exist blueprints of universal problem solvers developed in my lab, in the new millennium, which are theoretically optimal in some abstract sense although they consist of just a few formulas.

Common Crawl - Blog - August 2019 crawl archive now available

It contains 2.95 billion web pages or 260 TiB of uncompressed content, crawled between August 17th and 26th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for August 2019 is now available!

Common Crawl - Blog - June 2018 Crawl Archive Now Available

The archive contains 3.05 billion web pages and 235 TiB of uncompressed content, crawled between June 18th and 25th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for June 2018 is now available!

Common Crawl - Blog - Introducing the Host Index

Introducing the Host Index: a new dataset with one row per web host per crawl, combining crawl stats, status codes, languages, and bot defence data. Queryable via AWS tools or downloadable. Greg Lindahl.

Common Crawl - Blog - News Dataset Available

Yet our monthly crawl and release schedule is not well-adapted to this type of content which is based on developing and current events.

Common Crawl - Blog - February 2019 crawl archive now available

It contains 2.9 billion web pages or 225 TiB of uncompressed content, crawled between February 15th and 24th. Sebastian Nagel. Sebastian is a Distinguished Engineer with Common Crawl. The crawl archive for February 2019 is now available!

Common Crawl - Blog - Common Crawl URL Index

Feel free to post questions in the issue tracker and wikis there. The index itself is located public datasets bucket at. s3://commoncrawl/projects/url-index/url-index.1356128792. This is the first release of the index.

UK Copyright and AI Consultation Submission

In our comments below, we provide further background on our leadership building an open repository of web crawl data and its utility to researchers, developers, and students, including in the context of AI.

Common Crawl - Blog - Navigating the WARC file format

If you're more interested in diving into code, we've provided. three introductory examples in Java. that use the Hadoop framework to process WAT, WET and WARC. WARC Format.

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.