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April 1, 2019

March 2019 crawl archive now available

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.
Sebastian Nagel
Sebastian Nagel
Sebastian is a Distinguished Engineer with Common Crawl.

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.

Data Type File List #Files Total Size
Compressed (TiB)
Segments segment.paths.gz 100
WARC warc.paths.gz 56000 49.09
WAT wat.paths.gz 56000 17.37
WET wet.paths.gz 56000 7.47
Robots.txt files robotstxt.paths.gz 56000 0.17
Non-200 responses non200responses.paths.gz 56000 1.63
URL index files cc-index.paths.gz 302 0.19
Columnar URL index files cc-index-table.paths.gz 900 0.23

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 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 6 links (“hops”) away from the homepages of the top 60 million hosts and domains
  • a random sample of outlinks taken from WAT files of the February crawl

Archive Location and Download

The March crawl archive is located in the commoncrawl bucket at crawl-data/CC-MAIN-2019-13/.

To assist with exploring and using the dataset, we provide gzipped files which list all segments, WARC, WAT and WET files.

By simply adding either s3://commoncrawl/ or https://data.commoncrawl.org/ to each line, you end up with the S3 and HTTP paths respectively.

The Common Crawl URL Index for this crawl is available at: https://index.commoncrawl.org/CC-MAIN-2019-13/. Also the columnar index has been updated to contain this crawl.

Please donate to Common Crawl if you appreciate our free datasets! We’re also seeking corporate sponsors to partner with Common Crawl for our non-profit work in open data. Please contact info@commoncrawl.org for sponsorship information.

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