September 2018 crawl archive now available

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.

The following improvements and fixes to the data formats have been made:

  • the columnar index contains the content language of a web page as a new field. Please read the instructions below how to upgrade your tools to read newly added fields.
  • WARC revisit records (HTTP status 304) in the URL indexes do not include a field for the payload "digest" anymore. The corresponding column "content_digest" in the columnar index now contains null values.
  • we’ve fixed a bug in the WARC writer which added an extra line break (\r\n) between HTTP header and payload in WARC response record. See the announcement on our Google group for details. Thanks again to Greg Lindahl for discovering this bug!

The September crawl contains 500 million new URLs, not contained in any crawl archive before. New URLs stem from

  • the continued seed donation of URLs from mixnode.com
  • extracting and sampling URLs from sitemaps, RSS and Atom feeds if provided by hosts visited in prior crawls. Hosts are selected from the highest-ranking 60 million domains of the May/June/July 2018 webgraph data set
  • a breadth-first side crawl within a maximum of 6 links (“hops”) away from the home pages of the top 25 million domains of the webgraph dataset
  • a random sample taken from WAT files of the August crawl

New Fields in the Columnar URL Index

The columnar index has been updated to contain two new fields added to WARC and CDX files starting with the August crawl:

In addition, the column content_digest now contains null values.

The table schema in the cc-index-table project on github has been updated to reflect these changes.

Please follow the instructions below to upgrade to the new schema for Spark, Athena/Presto or Hive. If you do not want to use the new fields, no action is required, the tools should continue to work with the old schema.

Spark

The property spark.sql.parquet.mergeSchema must be set to true, e.g. by running the Spark job with the command

spark-submit --conf spark.sql.parquet.mergeSchema=true ...

Note that enabling schema merging has a negative impact on the performance of Spark jobs,
you may want to enable it only in case the new fields are required for your task.

Athena / Presto

Please create a new table using the updated schema. The old schema will continue to work but the new fields cannot be used. Further information can be found in the chapter about schema updates in the Athena documentation.

Hive

Schema evolution is supported since version 0.13. The procedure is essentially the same as for Athena – you need to drop and re-create the table with the updated schema only in case the new fields are used.

Archive Location and Download

The September crawl archive is located in the commoncrawl bucket at crawl-data/CC-MAIN-2018-39/.

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 https://commoncrawl.s3.amazonaws.com/ to each line, you end up with the S3 and HTTP paths respectively.

 File List#FilesTotal Size
Compressed (TiB)
SegmentsCC-MAIN-2018-39/segment.paths.gz100
WARC filesCC-MAIN-2018-39/warc.paths.gz5632047.9
WAT filesCC-MAIN-2018-39/wat.paths.gz5632018.5
WET filesCC-MAIN-2018-39/wet.paths.gz563207.87
Robots.txt filesCC-MAIN-2018-39/robotstxt.paths.gz563200.19
Non-200 responses filesCC-MAIN-2018-39/non200responses.paths.gz563201.83
URL index filesCC-MAIN-2018-39/cc-index.paths.gz3020.22

The Common Crawl URL Index for this crawl is available at: https://index.commoncrawl.org/CC-MAIN-2018-39/. Also the columnar index has been updated to contain this crawl.

We are grateful to our friends at mixnode for donating a seed list of 200 Million URLs to enhance the Common 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 [email protected] for sponsorship information.

August Crawl Archive Introduces Language Annotations

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.

Language Annotations

We now run the Compact Language Detector 2 (CLD2) on HTML pages to identify the language of a document. CLD2 is able to identify 160 different languages and up to 3 languages per document. The detected languages resp. the ISO-639-3 code are shown in the URL index as a new field, e.g., "languages": "zho,eng". The WARC metadata records contain the full CLD2 response including scores and text coverage:

languages-cld2: {"reliable":true,"text-bytes":3783,"languages":[{"code":"zh","code-iso-639-3":"zho","text-covered":0.93,"score":1943.0,"name":"Chinese"},{"code":"en","code-iso-639-3":"eng","text-covered":0.05,"score":523.0,"name":"ENGLISH"}]}

On github you’ll find the Java bindings to the CLD2 native library and the distribution of the primary document languages as part of our crawl statistics.

Please note that the columnar index does not contain the detected languages for now. This requires a change of the table schema. We plan to add the new fields later after we’ve verified that an update of the schema does not break common tools (e.g., Spark or Presto/Athena) used to process the table.

Crawler Software Upgrade and Minor Changes to WARC Files

Our crawler has been upgraded and is now based on the most recent version of Apache Nutch (1.15). The source code can be found on github in our Nutch fork.

In conjunction with the crawler upgrade we made the following minor changes affecting the WARC record format of the crawl archives:

  • "HTTP 304 notmodified" responses are now stored as WARC revisit records in the "crawldiagnostics" subset along with 404s, redirects and other non-200 responses. For now the revisit records contain a payload digest although there is no payload sent together with HTTP 304 responses. The stupid reason is that the columnar index requires the digest field and we want to make sure that all tools continue to work as expected. The SHA-1 digest of an empty payload (zero bytes) is used for the revisit records.
  • All HTTP response headers are now preserved. As before, if the page content is truncated or was compressed or chunked during transfer, the headers "Content-Encoding", "Transfer-Encoding" and "Content-Length" need to be rewritten, otherwise WARC readers may fail reading the record payload. E.g., a page compressed on the HTTP protocol layer may have the following headers – the original headers are prefixed with X-Crawler-:
    X-Crawler-Content-Encoding: gzip
    X-Crawler-Content-Length: 2010
    Content-Length: 16125
    
  • The crawler may now also store pages fetched partially because of a network disconnect. These captures are marked as WARC-Truncated: disconnect in the WARC record header. Note that the crawler may also truncate the page payload because of a content limit (we store only 1 MB per page) or a time limit (after 10 minutes a page download is canceled).
  • the WARC record headers indicate still "WARC/1.0" although we follow the WARC specification, v1.1. While testing various WARC reader libraries we’ve found that at least two of them fail on records with a "WARC/1.1" header.

Please note that due to a bug the first two crawled segments are without robots.txt captures.

Archive Location and Download

The August crawl archive is located in the commoncrawl bucket at crawl-data/CC-MAIN-2018-34/.

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://commoncrawl.s3.amazonaws.com/ to each line, you end up with the S3 and HTTP paths respectively.

 File List#FilesTotal Size
Compressed (TiB)
SegmentsCC-MAIN-2018-34/segment.paths.gz100
WARC filesCC-MAIN-2018-34/warc.paths.gz7152067.79
WAT filesCC-MAIN-2018-34/wat.paths.gz7152016.76
WET filesCC-MAIN-2018-34/wet.paths.gz715206.92
Robots.txt filesCC-MAIN-2018-34/robotstxt.paths.gz715200.19
Non-200 responses filesCC-MAIN-2018-34/non200responses.paths.gz715201.79
URL index filesCC-MAIN-2018-34/cc-index.paths.gz3020.21

The Common Crawl URL Index for this crawl is available at: https://index.commoncrawl.org/CC-MAIN-2018-34/. 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 [email protected] for sponsorship information.

Host- and Domain-Level Web Graphs May/June/July 2018

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 (e.g., Nov/Dec/Jan 2017-2018 Webgraphs).

Host-level graph

The graph consists of 886 million nodes and 5.4 billion edges and includes dangling nodes i.e. hosts that have not been crawled yet are pointed to from a link on a crawled page. There are 793 million dangling nodes (89.5%) and the largest strongly connected component contains only 67 million (7.5%) nodes. The host names are reversed and a leading www. is stripped: www.subdomain.example.com becomes com.example.subdomain.

You can download the graph and the ranks of all 886 million hosts from AWS S3 on the path s3://commoncrawl/projects/hyperlinkgraph/cc-main-2018-may-jun-jul/host/. Alternatively, you can use https://commoncrawl.s3.amazonaws.com/projects/hyperlinkgraph/cc-main-2018-may-jun-jul/host/ as prefix to access the files from everywhere.

The following files and formats are provided:

Download files of the Common Crawl May/June/July 2018 host-level webgraph

SizeFileDescription
5.60 GBcc-main-2018-may-jun-jul-host-vertices.paths.gznodes ⟨id, rev host⟩, paths of 98 vertices files
25.12 GBcc-main-2018-may-jun-jul-host-edges.paths.gzedges ⟨from_id, to_id⟩, paths of 196 edges files
9.99 GBcc-main-2018-may-jun-jul-host.graphgraph in BVGraph format
2 kBcc-main-2018-may-jun-jul-host.properties
11.30 GBcc-main-2018-may-jun-jul-host-t.graphtranspose of the graph (outlinks inverted to inlinks)
2 kBcc-main-2018-may-jun-jul-host-t.properties
1 kBcc-main-2018-may-jun-jul-host.statsWebGraph statistics
13.35 GBcc-main-2018-may-jun-jul-host-ranks.txt.gzharmonic centrality and pagerank

Domain-level graph

The domain graph was built by aggregating the host graph on the level of pay-level domains (PLDs) based on the public suffix list maintained on publicsuffix.org.

The domain-level graph has 92 million nodes and 1.45 billion edges. 57% or 53 million nodes are dangling nodes, the largest strongly connected component covers 34 million or 37% of the nodes.

All files related to the domain graph are available on AWS S3 under s3://commoncrawl/projects/hyperlinkgraph/cc-main-2018-may-jun-jul/domain/ resp. https://commoncrawl.s3.amazonaws.com/projects/hyperlinkgraph/cc-main-2018-may-jun-jul/domain/.

Download files of the Common Crawl May/June/July 2018 domain-level webgraph

SizeFileDescription
0.64 GBcc-main-2018-may-jun-jul-domain-vertices.txt.gznodes ⟨id, rev domain, num hosts⟩
5.85 GBcc-main-2018-may-jun-jul-domain-edges.txt.gzedges ⟨from_id, to_id⟩
3.21 GBcc-main-2018-may-jun-jul-domain.graphgraph in BVGraph format
2 kBcc-main-2018-may-jun-jul-domain.properties
3.43 GBcc-main-2018-may-jun-jul-domain-t.graphtranspose of the graph
2 kBcc-main-2018-may-jun-jul-domain-t.properties
1 kBcc-main-2018-may-jun-jul-domain.statsWebGraph statistics
1.96 GBcc-main-2018-may-jun-jul-domain-ranks.txt.gzharmonic centrality and pagerank

Below you’ll find the top 1000 domains ranked by Harmonic Centrality or PageRank. The full list of all 92 million domains is available for download.

Top 1000 domains ranked by harmonic centrality (May/June/July 2018)

harmonic
centrality
rank
hc valuepage rankpage rank
value
reversed hostname
12538162220.013272com.facebook
22476750010.016429com.googleapis
32357456630.009596com.google
42282638440.008408com.twitter
52239867650.007043com.youtube
62144685060.006211org.w
72000017070.004495org.gmpg
81991779290.003686com.instagram
919565892110.003123com.linkedin
1018904142250.001434com.gravatar
1118886866140.002009com.wordpress
1218791656260.001378org.wikipedia
1318683474230.001591com.pinterest
1418605644130.002616org.wordpress
1518523062210.001661com.apple
1618506550120.002795com.bootstrapcdn
1718299454330.000893com.blogspot
1818261082240.001454com.vimeo
1918104372370.000799com.amazon
2018101742340.000875gl.goo
2118052860380.000756be.youtu
2218015066280.001162com.microsoft
2317990876160.001783com.googletagmanager
2417945844190.001702com.adobe
2517942552440.000652com.tumblr
2617901968150.001947com.cloudflare
2717853502200.001684com.macromedia
2817832868450.000641com.wp
2917823530610.000483com.yahoo
3017781678400.000719com.flickr
3117733538460.000626ly.bit
3217680810480.000606me.wp
3317674312350.000857com.paypal
3417654864320.000904com.amazonaws
3517602138220.001598com.github
36175884601040.000250com.nytimes
3717550714540.000545org.mozilla
3817517872700.000400com.weebly
3917506702890.000291com.googleusercontent
4017435634410.000714io.github
41174005361840.000140com.wsj
42173536381440.000209com.dropbox
43173410621660.000161org.wikimedia
44173367101410.000217com.imgur
4517319686570.000497com.medium
4617318280680.000411org.creativecommons
4717316806650.000434com.bing
48172749761470.000198com.blogger
4917261700290.001115com.gstatic
5017257470660.000422com.jquery
51172361042110.000119com.businessinsider
52172116981550.000182net.slideshare
53172114302070.000120com.wired
5417203902530.000577co.t
5517197252560.000520eu.europa
56171877201820.000142com.myspace
5717184156920.000278com.mailchimp
5817153616360.000843org.apache
5917131630310.000912net.doubleclick
6017127558690.000402com.statcounter
6117120814630.000477com.list-manage
62171128502460.000100org.npr
63171052201450.000203com.issuu
6417099450270.001250ru.yandex
65170898263140.000078com.theverge
66170890123210.000077com.appspot
67170806881680.000159org.gnu
68170592801420.000216com.yelp
6917056948520.000581org.w3
70170534383310.000075com.about
71170480622670.000090me.about
72170357261760.000148com.oracle
731703127880.004428com.godaddy
74170163121750.000148org.ietf
75170149423770.000065com.slate
7616988198420.000702net.cloudfront
77169875503010.000082com.buzzfeed
78169862362260.000111com.tinyurl
79169840384360.000056edu.princeton
80169701483360.000074com.deviantart
81169450982060.000122com.cnn
82169432423660.000066edu.washington
83169413041050.000250com.reddit
84169229143930.000062edu.ucla
8516917390850.000302com.soundcloud
86169173384490.000055com.nike
87169094781930.000136uk.co.bbc
8816901808600.000485org.schema
89168997323780.000064org.arxiv
90168968523970.000060org.chromium
91168944041810.000142com.theguardian
92168885861650.000163com.forbes
93168878023800.000064com.stackexchange
94168863501610.000172com.android
95168858803430.000070gov.loc
96168813044370.000056com.qz
97168780643330.000074com.foursquare
98168710922420.000102com.nbcnews
99168628843120.000079gov.fda
100168562443890.000063org.ieee
10116855606300.000991com.squarespace
102168499164430.000055org.sciencemag
10316828640820.000323net.akamaihd
104168250502840.000085com.example
105168219224230.000057com.trello
106168154721720.000152com.whatsapp
107168128362150.000119es.google
108168125982980.000082com.typeform
109167934186160.000043com.flipboard
11016787856590.000493net.fbcdn
111167828361510.000190org.bbb
112167818222180.000118edu.stanford
113167814384270.000057com.libsyn
114167794445020.000049google.blog
115167771342830.000085com.go
116167746364190.000057com.withgoogle
117167633156100.000043edu.utah
11816762919640.000437com.ytimg
119167615123280.000076com.reuters
120167562092510.000097com.live
121167499831640.000163org.archive
122167477955180.000048edu.gatech
12316741185750.000357com.fb
124167391691060.000250edu.utexas
125167385382080.000120com.huffingtonpost
126167376952860.000084com.bloomberg
127167326292410.000103com.techcrunch
128167267683170.000078edu.harvard
129167241252050.000123com.dribbble
130167239353180.000078com.git-scm
131167191421690.000159gov.nih
132167074501460.000199net.sourceforge
133167067163400.000072com.msn
13416705396770.000351com.wix
135166972362940.000083uk.co.blogspot
136166946653160.000078com.googlecode
137166882643690.000066com.bbc
138166850432250.000111com.typepad
139166842812340.000106com.washingtonpost
140166830862130.000119com.imdb
141166792845380.000047com.chron
142166716337060.000042com.hbo
143166683473640.000067com.mashable
14416665099870.000294com.shopify
14516661523760.000351com.paypalobjects
146166593752620.000092edu.mit
147166509673940.000062com.tinypic
148166509082930.000083au.com.google
149166471493080.000080com.cnet
150166411643000.000082com.usatoday
151166401122960.000083net.windows
152166374164160.000058au.gov.nsw
153166266382990.000082com.ibm
154166228233710.000065uk.co.dailymail
155166221253390.000073uk.co.telegraph
156166193193620.000067com.gmail
157166158871730.000151com.eventbrite
158166122042270.000110net.php
159166090485230.000048com.fastcodesign
160165965773340.000074com.time
161165942044210.000057com.ted
16216593660730.000366de.google
163165916165310.000047org.rubyonrails
164165754022710.000088com.mapquest
165165751335610.000045edu.illinois
166165716701700.000154com.opera
167165689943950.000061com.latimes
168165651698190.000037com.dezeen
169165604263060.000081com.hp
170165569981800.000143com.stackoverflow
171165541844520.000055org.eclipse
172165494662360.000105com.ebay
173165437064400.000055com.kickstarter
174165403014250.000057gov.nasa
175165389742310.000106uk.co.amazon
176165333494860.000051edu.cornell
177165319171880.000139com.etsy
178165290574100.000058com.aol
179165260905420.000046com.quora
180165250422880.000084com.meetup
181165201855200.000048com.googleblog
182165186407610.000039io.itch
183165179724140.000058com.variety
184165172194990.000050edu.berkeley
185165087336220.000043uk.co.pinterest
186165061121000.000257com.livestream
187165029455140.000049com.ft
188165013764660.000053co.g
189164997134390.000056com.theatlantic
190164981315190.000048com.zdnet
191164920142440.000101com.surveymonkey
192164886271990.000130com.tripadvisor
193164851753900.000063com.cnbc
1941648316210370.000031com.engadget
195164810384630.000054com.mixcloud
196164760026050.000044com.vogue
197164702777520.000039com.nationalgeographic
198164686577500.000040com.creativebloq
199164674515650.000045com.yellowpages
20016467125900.000290com.addthis
201164661472390.000103org.drupal
202164641143110.000079com.udacity
203164636058980.000035com.sfgate
204164561917480.000040com.discogs
205164555492550.000095com.digg
206164533818170.000037com.wikia
207164495105280.000047com.nature
208164489441850.000140com.spotify
209164480545600.000045org.pbs
21016448046860.000300com.twimg
211164444394310.000056com.angieslist
212164373153840.000063com.skype
213164353804690.000053com.fortune
214164345011020.000255net.jsfiddle
215164337436020.000044com.newyorker
216164318714920.000051com.cbsnews
217164301824050.000059gov.whitehouse
218164274143540.000069org.python
219164257042800.000086com.hubspot
220164246053240.000076gov.cdc
221164212835470.000046org.aarp
222164206235410.000046com.findlaw
223164190611940.000135com.zendesk
224164165658790.000036com.arstechnica
225164153244930.000051org.hbr
226164150391600.000173com.wixsite
227164142645130.000049com.cisco
22816414231580.000495com.vk
229164140073610.000067com.photobucket
230164083883570.000069com.springer
231164076675090.000049com.superpages
232164060367280.000041com.intel
233164054314070.000058com.giphy
234164045192530.000096to.amzn
235164042408000.000038com.manta
23616403321470.000608com.qq
2371640326011880.000029com.gizmodo
238164030764980.000050com.entrepreneur
239164029506080.000043com.venturebeat
2401640210810470.000031edu.upenn
241164011453600.000068com.nypost
242164010944060.000059org.un
2431639587414050.000028uk.ac.ox
244163950786260.000043com.scribd
245163940569610.000034com.thenextweb
246163932375870.000044com.unsplash
247163921644700.000053com.xrea
248163908297640.000039com.hackernoon
2491639073510130.000032edu.columbia
250163856807130.000041com.box
251163839532300.000108com.stumbleupon
2521638363815510.000024edu.purdue
253163816495930.000044com.vice
254163813029130.000035ly.snip
255163804142290.000109net.behance
256163801116000.000044com.symantec
257163795921110.000236com.jimdo
258163783189590.000034com.googledrive
259163771722570.000094com.salesforce
260163759693870.000063com.images-amazon
261163740335040.000049org.unicode
262163726834450.000055com.office
263163709546350.000043com.citysearch
264163657868760.000036com.healthgrades
265163639573030.000081org.acm
266163634462400.000103com.disqus
267163631443380.000073com.tripod
268163569139920.000033com.pixabay
269163542343700.000066com.oreilly
2701634396310480.000031com.indiegogo
2711634252110400.000031com.evernote
272163374767350.000040gov.noaa
273163372267850.000038com.spreadshirt
2741633290213640.000029com.searchengineland
2751633046615970.000023uk.co.theregister
276163273606200.000043com.avvo
277163250451890.000138com.constantcontact
278163243544890.000051com.inc
279163229489200.000035com.naturalnews
280163217023760.000065org.ampproject
281163215784500.000055me.paypal
282163201883420.000071com.livejournal
283163199524220.000057com.businesswire
284163193879740.000033au.net.abc
285163191442590.000093org.joomla
286163141408850.000035com.dropboxusercontent
287163121038530.000036com.statista
288163083785580.000045com.goodreads
2891630836113980.000028com.sciencedaily
2901630737813770.000029com.storify
291163027927960.000038com.curbed
292163027291860.000139com.feedburner
2931630093915480.000024com.pcmag
294163003426440.000042gov.defense
295163000607260.000041org.eff
296162986713830.000064com.sxsw
2971629839815940.000023com.mcafee
298162968434710.000052com.snapchat
2991629504710020.000032com.shutterstock
300162940877000.000042com.moz
301162934011580.000175uk.co.google
302162913544330.000056com.adweek
303162897333370.000073gov.ca
304162888692370.000105com.bandcamp
305162851972330.000106de.amazon
306162812799090.000035gov.census
307162790956270.000043site.business
308162784117670.000039com.economist
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8201587849316200.000022org.postimg
8211587770233930.000009com.formula1
8221587756514550.000027com.oup
8231587662126240.000012gov.cia
8241587630427100.000011org.olympic
8251587562825760.000012org.7-zip
8261587557739060.000007uk.ac.warwick
8271587548125730.000012com.tesla
8281587372623500.000013hk.com.google
8291587362918720.000018com.ecwid
8301587312010030.000032com.mlstatic
8311587216916630.000021com.glassdoor
8321587216320760.000015ca.utoronto
8331587158323030.000013net.comcast
8341587041621180.000015com.readwrite
8351587013021850.000014ca.qc.gouv
8361586991617850.000019gov.congress
837158677249470.000034com.att
8381586732718010.000019uk.co.mirror
839158672994950.000050com.marriott
8401586623929560.000010com.coinbase
8411586613420240.000016com.me
8421586603532560.000009gd.is
8431586551914210.000028org.plos
8441586492915180.000025com.business2community
8451586377710790.000030com.sagepub
8461586340628760.000010com.fineartamerica
8471586302411770.000029me.pxlme
8481586299515690.000024com.over-blog
8491586290915200.000025com.techtarget
8501586268719700.000016ru.narod
8511586249617700.000019com.ssllabs
8521586183524230.000013com.ge
8531586130118380.000018org.unicef
8541586098720320.000016int.wipo
855158606211790.000143de.bund
856158592329820.000033gov.house
8571585877221120.000015uk.co.thesun
8581585873230780.000010net.sucuri
8591585841721840.000014com.yolasite
8601585841325670.000012ms.1drv
8611585827121230.000015au.com.blogspot
8621585785426860.000011com.fool
8631585783439500.000007com.thenation
8641585761044180.000007edu.temple
8651585758333410.000009com.makeuseof
8661585701818320.000018edu.umd
867158569437820.000038es.com.blogspot
8681585536415830.000023com.pingdom
8691585533422920.000013com.macworld
870158552904550.000054jp.ne.sakura
8711585508825630.000012com.webnode
8721585484030440.000010com.freelancer
8731585400022970.000013gov.nsf
8741585387226230.000012edu.brown
8751585260149140.000006ca.gc.statcan
8761585259519970.000016com.getfirebug
8771585193322820.000013com.wikispaces
8781585073720090.000016org.jstor
8791585069118560.000018co.angel
8801585066529120.000010edu.tufts
881158500017430.000040org.bitbucket
8821584976422430.000014edu.osu
8831584921421210.000015edu.tamu
8841584906521270.000015org.wpmudev
885158476368340.000036net.noscript
8861584723237350.000008com.appleinsider
887158470681490.000195com.ggpht
8881584653217630.000019it.blogspot
8891584648524900.000012org.documentcloud
8901584590219260.000017com.cc
8911584458822070.000014us.zoom
8921584403217550.000020com.rollingstone
8931584349642050.000007li.paper
8941584317120520.000015edu.rutgers
8951584266923650.000013com.theonion
896158422927230.000041com.geocities
8971584215733280.000009com.indiewire
8981584170229780.000010int.esa
899158409549390.000034com.netdna-cdn
9001584066726040.000012ly.generalassemb
9011584060235710.000008edu.buffalo
902158400944850.000051br.com.google
9031584003810780.000030com.bitballoon
904158397034840.000051com.1and1
9051583897025710.000012com.sony
906158387706740.000042com.trustpilot
9071583737912000.000029org.oecd
9081583703420640.000015com.azcentral
9091583608111420.000030com.communitywalk
9101583582121970.000014org.videolan
9111583490725460.000012com.pandora
9121583328750620.000006org.anitaborg
9131583328423880.000013gov.in
9141583308130170.000010com.4shared
9151583279330580.000010org.metmuseum
9161583253321490.000015com.theknot
917158324798970.000035org.osgeo
918158301142010.000127me.line
919158276103720.000065com.bizjournals
9201582687425840.000012com.fujitsu
9211582674626740.000011com.blogs
922158262442720.000087org.debian
9231582489377700.000004edu.du
9241582376923370.000013com.bleacherreport
925158234105660.000045com.quantcast
9261582291724090.000013uk.co.express
9271582247921480.000015com.redbubble
9281582241328560.000010com.cosmopolitan
9291582221018030.000019org.cancer
9301582181711360.000030com.graphis
9311582106820580.000015de.zeit
9321582105323460.000013ca.sfu
933158207297320.000040com.wunderground
9341582067523110.000013com.convinceandconvert
9351582037228880.000010org.bitcoin
9361582019214640.000027com.usps
9371581987245450.000006com.blog
9381581959020670.000015com.salon
9391581727727790.000011com.technet
9401581726117990.000019net.daringfireball
9411581718925600.000012com.googlepages
942158166471150.000229com.bluehost
9431581655720890.000015com.w3techs
9441581626017710.000019com.calendly
9451581546930500.000010com.rottentomatoes
9461581499972680.000004com.elance
9471581453225290.000012com.createspace
948158139438550.000036com.comscore
9491581361024040.000013edu.colorado
9501581359910890.000030com.2findlocal
9511581356510570.000031org.tpr
9521581290816430.000022com.bt
953158128413650.000067com.rackcdn
9541581123434100.000009com.kotaku
9551581100837830.000008edu.syr
956158104977290.000041com.verisign
9571580990210090.000032com.tiddlywiki
9581580895717360.000020com.strikingly
9591580886761970.000005com.mercedes-benz
9601580886027360.000011com.oprah
9611580885117070.000021com.bmj
9621580836721400.000015com.popsugar
9631580740821750.000014org.hrw
9641580735520340.000016com.shareholder
9651580731618880.000017com.digicert
9661580708716450.000022com.steamcommunity
9671580703640570.000007com.pastemagazine
9681580666830990.000010com.voanews
9691580662610440.000031org.travelblog
9701580647014410.000027org.heart
9711580629029630.000010com.thrillist
9721580577241640.000007com.youcaring
9731580572910750.000031com.independent
9741580541121770.000014net.atlassian
9751580497145290.000006com.secondlife
9761580431115460.000024int.coe
9771580425223630.000013com.xerox
9781580208019070.000017com.computerworld
9791580186126080.000012com.groupon
9801580125638090.000008edu.rochester
9811580070934280.000009com.sas
9821579966320370.000016com.getsatisfaction
983157994674760.000052com.aliyuncs
9841579862665250.000005com.threatpost
9851579827118250.000018ru.spb
9861579794422240.000014com.gawker
9871579780924680.000012me.flavors
9881579773041970.000007com.slides
9891579764127940.000011com.madmimi
9901579750924110.000013com.hindustantimes
9911579697843380.000007org.teamusa
9921579657014670.000026gov.va
9931579567218700.000018mil.navy
994157954783500.000070jp.co.rakuten
995157953897200.000041com.hilton
9961579503610460.000031com.chicagotribune
9971579502414860.000026com.cafepress
9981579428323360.000013org.dyndns
9991579411322710.000014com.teenvogue
1000157936988960.000035gov.export

Credits

Thanks to the authors of the WebGraph framework, whose software made the computation of graph properties and ranks possible.

We hope the data will be useful for you to do any kind of research on ranking, graph analysis, link spam detection, etc. Let us know about your results via Common Crawl’s Google Group!

3.25 Billion Pages Crawled in July 2018

The crawl archive for July 2018 is now available! The archive is located in the commoncrawl bucket at crawl-data/CC-MAIN-2018-30/. It contains 3.25 billion web pages and 255 TiB of uncompressed content, crawled between July 15th and 23th.

The July crawl contains 625 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. Hosts are selected from the highest-ranking 60 million domains of the Feb/Mar/Apr 2018 webgraph data set
  • a breadth-first side crawl within a maximum of 6 links (“hops”) away from the home pages of the top 25 million hosts or top 25 million domains of the webgraph dataset
  • a random sample taken from WAT files of the June crawl

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://commoncrawl.s3.amazonaws.com/ to each line, you end up with the S3 and HTTP paths respectively.

 File List#FilesTotal Size
Compressed (TiB)
SegmentsCC-MAIN-2018-30/segment.paths.gz100
WARC filesCC-MAIN-2018-30/warc.paths.gz6400061.07
WAT filesCC-MAIN-2018-30/wat.paths.gz6400020.93
WET filesCC-MAIN-2018-30/wet.paths.gz640009.08
Robots.txt filesCC-MAIN-2018-30/robotstxt.paths.gz640000.21
Non-200 responses filesCC-MAIN-2018-30/non200responses.paths.gz640002.15
URL index filesCC-MAIN-2018-30/cc-index.paths.gz3020.25

The Common Crawl URL Index for this crawl is available at: https://index.commoncrawl.org/CC-MAIN-2018-30/. 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 [email protected] for sponsorship information.

June 2018 Crawl Archive Now Available

The crawl archive for June 2018 is now available! The archive is located in the commoncrawl bucket at crawl-data/CC-MAIN-2018-26/. It contains 3.05 billion web pages and 235 TiB of uncompressed content, crawled between June 18th and 25th.

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. Hosts are selected from the highest-ranking 60 million domains of the Feb/Mar/Apr 2018 webgraph data set
  • a breadth-first side crawl within a maximum of 4 links (“hops”) away from the home pages of the top 25 million hosts or top 25 million domains of the webgraph dataset
  • a random sample taken from WAT files of the May crawl

The remaining URLs (more than 2 billion) have already been included in one of the previous monthly crawl archives and have been stored in our URL database for a later re-fetch – if not marked as duplicates, classified as spam, etc. This huge “collection of bookmarks” dates back multiple years, even back to 2012 when we first received seed donations from Blekko. This month we started to remove old “bookmarks” from our URL database. In the future we’ll remember a URL for only 12 months after seen last as a seed or outlink. On the one hand, we hope to increase the dynamic of the crawls, on the other hand a smaller URL database will save resources.

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://commoncrawl.s3.amazonaws.com/ to each line, you end up with the S3 and HTTP paths respectively.

 File List#FilesTotal Size
Compressed (TiB)
SegmentsCC-MAIN-2018-26/segment.paths.gz100
WARC filesCC-MAIN-2018-26/warc.paths.gz6400056.58
WAT filesCC-MAIN-2018-26/wat.paths.gz6400019.19
WET filesCC-MAIN-2018-26/wet.paths.gz640008.37
Robots.txt filesCC-MAIN-2018-26/robotstxt.paths.gz640000.2
Non-200 responses filesCC-MAIN-2018-26/non200responses.paths.gz640001.73
URL index filesCC-MAIN-2018-26/cc-index.paths.gz3020.23

The Common Crawl URL Index for this crawl is available at: https://index.commoncrawl.org/CC-MAIN-2018-26/. 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 [email protected] for sponsorship information.

May 2018 Crawl Archive Now Available

The crawl archive for May 2018 is 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.

The May crawl contains 550 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. Hosts are selected from the highest-ranking 60 million domains of the Feb/Mar/Apr 2018 webgraph data set
  • a breadth-first side crawl within a maximum of 4 links (“hops”) away from the home pages of the top 40 million hosts or top 40 million domains of the webgraph dataset
  • a random sample taken from WAT files of the April crawl

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://commoncrawl.s3.amazonaws.com/ to each line, you end up with the S3 and HTTP paths respectively.

 File List#FilesTotal Size
Compressed (TiB)
SegmentsCC-MAIN-2018-22/segment.paths.gz100
WARC filesCC-MAIN-2018-22/warc.paths.gz6400051.61
WAT filesCC-MAIN-2018-22/wat.paths.gz6400017.61
WET filesCC-MAIN-2018-22/wet.paths.gz640007.59
Robots.txt filesCC-MAIN-2018-22/robotstxt.paths.gz640000.19
Non-200 responses filesCC-MAIN-2018-22/non200responses.paths.gz640001.65
URL index filesCC-MAIN-2018-22/cc-index.paths.gz3020.21

The Common Crawl URL Index for this crawl is available at: https://index.commoncrawl.org/CC-MAIN-2018-22/. 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 [email protected] for sponsorship information.

Host- and Domain-Level Web Graphs Feb/Mar/Apr 2018

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 (e.g., Nov/Dec/Jan 2017-2018 Webgraphs).

What’s new?

The graphs now contain links from sitemap announcements in robots.txt files. This small addition of 2.5 million inter-host links is motivated by the fact that sitemaps directives are sometimes (see example 1, 2, 3) used for link spam or aggressive SEO, often in combination with excessive use of inter-host hyperlinks on HTML pages. We hope that this addition helps to improve the detection rate of link spam detection algorithms.

Host-level graph

The graph consists of 2.14 billion nodes and 10.15 billion edges and includes dangling nodes i.e. hosts that have not been crawled yet are pointed to from a link on a crawled page. There are 2.02 billion dangling nodes (94%) and the largest strongly connected component contains only 77 million (3.6%) nodes. The host names are reversed and a leading www. is stripped: www.subdomain.example.com becomes com.example.subdomain.

You can download the graph and the ranks of all 2 billion hosts from AWS S3 on the path s3://commoncrawl/projects/hyperlinkgraph/cc-main-2018-feb-mar-apr/host/. Alternatively, you can use https://commoncrawl.s3.amazonaws.com/projects/hyperlinkgraph/cc-main-2018-feb-mar-apr/host/ as prefix to access the files from everywhere.

The following files and formats are provided:

Download files of the Common Crawl Feb/Mar/Apr 2018 host-level webgraph

SizeFileDescription
12.45 GBcc-main-2018-feb-mar-apr-host-vertices.paths.gznodes ⟨id, rev host⟩, paths of 80 vertices files
50.22 GBcc-main-2018-feb-mar-apr-host-edges.paths.gzedges ⟨from_id, to_id⟩, paths of 160 edges files
20.68 GBcc-main-2018-feb-mar-apr-host.graphgraph in BVGraph format
2 kBcc-main-2018-feb-mar-apr-host.properties
24.82 GBcc-main-2018-feb-mar-apr-host-t.graphtranspose of the graph (outlinks inverted to inlinks)
2 kBcc-main-2018-feb-mar-apr-host-t.properties
1 kBcc-main-2018-feb-mar-apr-host.statsWebGraph statistics
28.84 GBcc-main-2018-feb-mar-apr-host-ranks.txt.gzharmonic centrality and pagerank

Domain-level graph

The domain graph was built by aggregating the host graph on the level of pay-level domains (PLDs) based on the public suffix list maintained on publicsuffix.org.

The domain-level graph has 98 million nodes and 1.5 billion edges. 57% or 56 million nodes are dangling nodes, the largest strongly connected component covers 37 million or 38% of the nodes.

All files related to the domain graph are available on AWS S3 under s3://commoncrawl/projects/hyperlinkgraph/cc-main-2018-feb-mar-apr/domain/ resp. https://commoncrawl.s3.amazonaws.com/projects/hyperlinkgraph/cc-main-2018-feb-mar-apr/domain/.

Download files of the Common Crawl Feb/Mar/Apr 2018 domain-level webgraph

SizeFileDescription
0.68 GBcc-main-2018-feb-mar-apr-domain-vertices.txt.gznodes ⟨id, rev domain, num hosts⟩
6.04 GBcc-main-2018-feb-mar-apr-domain-edges.txt.gzedges ⟨from_id, to_id⟩
3.32 GBcc-main-2018-feb-mar-apr-domain.graphgraph in BVGraph format
2 kBcc-main-2018-feb-mar-apr-domain.properties
3.53 GBcc-main-2018-feb-mar-apr-domain-t.graphtranspose of the graph
2 kBcc-main-2018-feb-mar-apr-domain-t.properties
1 kBcc-main-2018-feb-mar-apr-domain.statsWebGraph statistics
2.06 GBcc-main-2018-feb-mar-apr-domain-ranks.txt.gzharmonic centrality and pagerank

Below you’ll find the top 1000 domains ranked by Harmonic Centrality or PageRank. The full list of all 98 million domains is available for download.

Top 1000 domains ranked by harmonic centrality (Feb/Mar/Apr 2018)

harmonic
centrality
rank
hc valuepage rankpage rank
value
reversed hostname
12716049010.016926com.googleapis
22691740020.013683com.facebook
32502320830.009981com.google
42424149240.008519com.twitter
52392399050.007249com.youtube
62305594460.006339org.w
72120813270.004853org.gmpg
82112645280.003674com.instagram
920871022100.003315com.linkedin
1020308692140.002286com.wordpress
1120254236120.002787org.wordpress
1220083558230.001537com.gravatar
1320073594260.001290org.wikipedia
1419978538180.001671com.pinterest
1519658798110.002973com.bootstrapcdn
1619570742200.001624com.apple
1719538492310.000948com.blogspot
1819437996250.001294com.vimeo
1919203616350.000867gl.goo
2019193288370.000853com.amazon
2119158752170.001701com.adobe
2219158570290.001124com.microsoft
2319126248450.000704com.tumblr
2419082854150.001792com.macromedia
2519011582360.000856com.wp
2619005558410.000794ly.bit
2718975638540.000499com.yahoo
2818971200160.001786com.googletagmanager
2918852580440.000711be.youtu
3018806694330.000921com.amazonaws
3118791732320.000922com.paypal
3218760344190.001634com.cloudflare
3318706230420.000775com.flickr
3418680604610.000433org.mozilla
3518680160300.001017com.github
3618678006960.000297com.googleusercontent
3718625646690.000409com.weebly
3818604632490.000594org.w3
3918547840660.000424org.creativecommons
4018536644830.000354com.soundcloud
4118495276240.001407net.doubleclick
42184658441490.000207com.blogger
43184016201470.000212com.imgur
4418400744400.000809me.wp
4518397664280.001163com.gstatic
4618392744550.000498com.list-manage
47183914161740.000162com.myspace
4818390430670.000417com.medium
49183732701540.000194net.slideshare
5018360766870.000337io.github
51183488881770.000161com.wsj
5218332910510.000589co.t
53182562782280.000115com.reuters
5418245054390.000818org.apache
5518231016380.000837com.statcounter
56182209402360.000110uk.co.telegraph
5718214734680.000415eu.europa
58182073822320.000111org.npr
59182000742920.000087com.appspot
6018195584530.000550com.jquery
61181857381660.000178com.android
62181842722660.000096com.cnbc
63181836661460.000213com.issuu
6418181476780.000387com.cnn
65181701362610.000099com.about
66181617441330.000240com.nytimes
67181608521370.000231com.yelp
68181527922530.000102me.about
69181328881700.000172com.spotify
70181113361900.000146uk.co.bbc
71181047481510.000201com.wixsite
72180993941710.000168com.tripadvisor
73180989821780.000160org.gnu
74180862402040.000134org.wikimedia
75180859183560.000072edu.washington
7618084938430.000730net.cloudfront
77180808722010.000135com.oracle
78180754842820.000088org.python
79180658584270.000063org.chromium
80180632681650.000182org.ietf
8118058042720.000391com.huffingtonpost
82180507304030.000067edu.ucla
83180364824490.000059edu.princeton
84180287203680.000070com.slate
85180231161200.000254com.reddit
86180179442410.000107com.mozilla
87180139523050.000085com.mysql
8818004788630.000428com.ytimg
8917983326600.000457com.bing
90179795521390.000220com.dropbox
91179706584140.000065com.pixabay
92179692402130.000122com.nbcnews
93179480721640.000182com.forbes
94179477223320.000077gov.loc
95179435223800.000069com.googlecode
96179388521670.000176org.archive
97179365043110.000083com.foursquare
98179351221600.000186net.sourceforge
99179229562710.000093com.go
100179149925110.000053edu.gatech
101179147281890.000148com.theguardian
10217911318570.000476org.schema
103179087002070.000129es.google
104179044662680.000094com.example
105178939342340.000110com.hubspot
10617893100340.000899com.squarespace
10717882030710.000392com.paypalobjects
10817876036910.000322com.mashable
109178717923900.000068com.steampowered
110178713383290.000079gov.fda
11117866752810.000369com.wix
11217863474560.000486net.fbcdn
113178619883840.000069com.tinypic
114178605284310.000062com.variety
115178594743820.000069org.nodejs
116178563782030.000135edu.stanford
117178485522210.000119com.dribbble
1181784499690.003327com.godaddy
119178356382100.000126com.tinyurl
12017833096620.000433com.fb
121178275182520.000102com.businessinsider
122178201425850.000048edu.utah
123178168305580.000050edu.illinois
124178149982110.000125com.imdb
125178079362730.000093com.live
126177988282290.000112com.washingtonpost
127177956962860.000088au.com.google
128177948846650.000046com.chrome
129177940143100.000083edu.mit
130177931622150.000121com.typepad
131177928282460.000104com.techcrunch
132177926123910.000068com.sun
133177881464590.000059org.sciencemag
134177862884630.000058org.eclipse
135177855684360.000061com.withgoogle
136177634881040.000272com.addthis
137177626481440.000217com.jimdo
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Credits

Thanks to the authors of the WebGraph framework, whose software made the computation of graph properties and ranks possible.

We hope the data will be useful for you to do any kind of research on ranking, graph analysis, link spam detection, etc. Let us know about your results via Common Crawl’s Google Group!

April 2018 Crawl Archive Now Available

The crawl archive for April 2018 is 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.

The April crawl contains 625 million new URLs, not contained in any crawl archive before. New URLs are “mined” by

  • extracting and sampling URLs from
  • a breadth-first side crawl within a maximum of 4 links (“hops”) away from the home pages of the top 40 million hosts or top 40 million domains of the webgraph dataset
  • a random sample taken from WAT files of the March crawl

We took actions to reduce the amount of images unintentionally crawled: Although our crawler is focused to fetch HTML pages, there has always been a small amount (1-2%) of other document formats. We accept these – it’s a part of the web and these WARC records are useful to gain insights, e.g. to test PDF or Office document parsers at scale. However, because image links contained in sitemaps haven’t properly filtered out, the amount of images has grown during the last time and reached 2% in March 2018. As a result of filtering image links from sitemaps, the amount of images now has dropped to approx. 0.5%, cf. the MIME type statistics of the latest three monthly crawls.

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://commoncrawl.s3.amazonaws.com/ to each line, you end up with the S3 and HTTP paths respectively.

 File List#FilesTotal Size
Compressed (TiB)
SegmentsCC-MAIN-2018-17/segment.paths.gz100
WARC filesCC-MAIN-2018-17/warc.paths.gz6432054.24
WAT filesCC-MAIN-2018-17/wat.paths.gz6432019.22
WET filesCC-MAIN-2018-17/wet.paths.gz643208.4
Robots.txt filesCC-MAIN-2018-17/robotstxt.paths.gz643200.2
Non-200 responses filesCC-MAIN-2018-17/non200responses.paths.gz643201.58
URL index filesCC-MAIN-2018-17/cc-index.paths.gz3020.23

The Common Crawl URL Index for this crawl is available at: https://index.commoncrawl.org/CC-MAIN-2018-17/. 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 [email protected] for sponsorship information.

March 2018 Crawl Archive Now Available

The crawl archive for March 2018 is now available! The archive is located in the commoncrawl bucket at crawl-data/CC-MAIN-2018-13/. It contains 3.2 billion web pages and 250+ TiB of uncompressed content, crawled between March 17th and 25th.

The March crawl contains 800 million new URLs, not contained in any crawl archive before. New URLs are “mined” by

  • extracting and sampling URLs from sitemaps if provided by any of the highest-ranking 100 million hosts taken from the Nov/Dec/Jan 2017/2018 webgraph data set
  • a breadth-first side crawl within a maximum of 3 links (“hops”) away from the home pages of the top 60 million hosts or top 30 million domains of the webgraph dataset
  • a random sample taken from WAT files of the February crawl
  • and the continued and increased donation of URLs from mixnode.com

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://commoncrawl.s3.amazonaws.com/ to each line, you end up with the S3 and HTTP paths respectively.

 File List#FilesTotal Size
Compressed (TiB)
SegmentsCC-MAIN-2018-13/segment.paths.gz100
WARC filesCC-MAIN-2018-13/warc.paths.gz8000067.66
WAT filesCC-MAIN-2018-13/wat.paths.gz8000020.38
WET filesCC-MAIN-2018-13/wet.paths.gz800008.8
Robots.txt filesCC-MAIN-2018-13/robotstxt.paths.gz800000.21
Non-200 responses filesCC-MAIN-2018-13/non200responses.paths.gz800001.83
URL index filesCC-MAIN-2018-13/cc-index.paths.gz3020.24

The Common Crawl URL Index for this crawl is available at: http://index.commoncrawl.org/CC-MAIN-2018-13/. Also the columnar index has been updated to contain this crawl.

We are grateful to our friends at mixnode for donating a seed list of 320 Million URLs to enhance the Common 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 [email protected] for sponsorship information.

February 2018 Crawl Archive Now Available

The crawl archive for February 2018 is now available! The archive is located in the commoncrawl bucket at crawl-data/CC-MAIN-2018-09/. It contains 3.4 billion web pages and 270+ TiB of uncompressed content, crawled between February 17th and Feb 26th.

The February crawl contains more than one billion new URLs, not contained in any crawl archive before. New URLs are “mined” by

  • extracting and sampling URLs from sitemaps if provided by any of the highest-ranking 100 million hosts taken from the January 2018 webgraph data set
  • a breadth-first side crawl within a maximum of 4 links (“hops”) away from the home pages of the top 50 million hosts or top 25 million domains of the webgraph dataset
  • a random sample taken from WAT files of the January crawl
  • and the continued and increased donation of URLs from mixnode.com

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://commoncrawl.s3.amazonaws.com/ to each line, you end up with the S3 and HTTP paths respectively.

 File List#FilesTotal Size
Compressed (TiB)
SegmentsCC-MAIN-2018-09/segment.paths.gz100
WARC filesCC-MAIN-2018-09/warc.paths.gz8000071.96
WAT filesCC-MAIN-2018-09/wat.paths.gz8000022.03
WET filesCC-MAIN-2018-09/wet.paths.gz800009.62
Robots.txt filesCC-MAIN-2018-09/robotstxt.paths.gz800000.22
Non-200 responses filesCC-MAIN-2018-09/non200responses.paths.gz800002.1
URL index filesCC-MAIN-2018-09/cc-index.paths.gz3020.25

The Common Crawl URL Index for this crawl is available at: http://index.commoncrawl.org/CC-MAIN-2018-09/. For more information on working with the URL index, please refer to the previous blog post or the Index Server API. There is also a command-line tool client for common use cases of the URL index.

We are grateful to our friends at mixnode for donating a seed list of 300 Million URLs to enhance the Common 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 [email protected] for sponsorship information.