Blog

The Columnar Index Is Now the URL Index









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...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.
Read More...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...We are pleased to announce a new release of host-level and domain-level web graphs based on the published crawls of November, December 2018 and January 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...The crawl archive for January 2019 is now available! It contains 2.85 billion web pages or 240 TiB of uncompressed content, crawled between January 15th and 24th.
Read More...The crawl archive for December 2018 is now available! It contains 3.1 billion web pages or 250 TiB of uncompressed content, crawled between December 9th and 19th.
Read More...The crawl archive for November 2018 is now available! It contains 2.6 billion web pages or 220 TiB of uncompressed content, crawled between November 12th and 22nd.
Read More...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 2018. Additional information about data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.
Read More...The crawl archive for October 2018 is now available! It contains 3.0 billion web pages and 240 TiB of uncompressed content, crawled between October 15th and 24th.
Read More...The crawl archive for September 2018 is now available! It contains 2.8 billion web pages and 220 TiB of uncompressed content, crawled between September 17th and 26th.
Read More...The crawl archive for August 2018 is now available! It contains 2.65 billion web pages and 220 TiB of uncompressed content, crawled between August 14th and 22th. Together with an upgrade of the crawler software we've plugged in a language detector and now provide as annotation the language a web page is written in.
Read More...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 2018. Additional information about data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.
Read More...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.
Read More...The crawl archive for June 2018 is now available! The archive contains 3.05 billion web pages and 235 TiB of uncompressed content, crawled between June 18th and 25th.
Read More...The crawl archive for May 2018 is now available! The archive contains 2.75 billion web pages and 215 TiB of uncompressed content, crawled between May 20th and 28th.
Read More...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 2018. Additional information about data formats, the processing pipeline, our objectives, and credits can be found in the announcements of prior webgraph releases.
Read More...The crawl archive for April 2018 is now available! The archive contains 3.1 billion web pages and 230 TiB of uncompressed content, crawled between April 19th and 27th.
Read More...The crawl archive for March 2018 is now available! The archive contains 3.2 billion web pages and 250+ TiB of uncompressed content, crawled between March 17th and 25th.
Read More...The crawl archive for February 2018 is now available! The archive contains 3.4 billion web pages and 270+ TiB of uncompressed content, crawled between February 17th and Feb 26th.
Read More...We're happy to announce the release of an index to WARC files and URLs in a columnar format. The columnar format (we use Apache Parquet) allows to efficiently query or process the index and saves time and computing resources. Especially, if only few columns are accessed, recent big data tools will run impressively fast.
Read More...We are pleased to announce a new release of host-level and domain-level web graphs based on the published crawls of November, December 2017 and January 2018. These graphs, along with ranked lists of hosts and domains, follow the prior web graph releases (Feb/Mar/Apr 2017, May/Jun/Jul 2017 and Aug/Sep/Oct 2017).
Read More...The crawl archive for January 2018 is now available! The archive contains 3.4 billion web pages and 270 TiB of uncompressed content, crawled between January 16th and Jan 24th.
Read More...The crawl archive for December 2017 is now available! The archive contains 2.9 billion web pages and over 240 TiB of uncompressed content.
Read More...The crawl archive for November 2017 is now available! The archive contains 3.2 billion web pages and 260 TiB of uncompressed content.
Read More...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 2017. These graphs, along with ranked lists of hosts and domains, follow the first (February, March, April 2017) and second (May, June, July 2017) web graph releases.
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