The crawl archive for September 2021 is now available! The data was crawled Sept 16 – 29 and contains 2.95 billion web pages or 310 TiB of uncompressed content. It includes page captures of 1.3 billion new URLs, not visited in any of our prior crawls.

Archive Location and Download

The September crawl archive is located in the commoncrawl bucket at crawl-data/CC-MAIN-2021-39/.

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 to each line, you end up with the S3 and HTTP paths respectively.

File List#FilesTotal Size
Compressed (TiB)
WARC filesCC-MAIN-2021-39/warc.paths.gz7200072.16
WAT filesCC-MAIN-2021-39/wat.paths.gz7200019.81
WET filesCC-MAIN-2021-39/wet.paths.gz720008.7
Robots.txt filesCC-MAIN-2021-39/robotstxt.paths.gz720000.15
Non-200 responses filesCC-MAIN-2021-39/non200responses.paths.gz720002.19
URL index filesCC-MAIN-2021-39/cc-index.paths.gz3020.22

The Common Crawl URL Index for this crawl is available at: Also the columnar index has been updated to contain this crawl.

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