Datasets:

open-index
/

open-html

@@ -35,7 +35,7 @@ configs:
 **OpenHTML** is a large-scale web dataset built from [Common Crawl](https://commoncrawl.org). Common Crawl is a non-profit that crawls the web and freely provides its archives and datasets to the public — see [their latest crawl announcement](https://commoncrawl.org/blog/march-2026-crawl-archive-now-available) for details on the source data. Every page goes through a pipeline that extracts the raw HTML body along with structured metadata from WARC records, HTTP response headers, and HTML `<head>` tags, then packages everything into Parquet files with 24 columns.
-The dataset currently includes crawl **CC-MAIN-2026-12** with **78,579 documents across 4 shards**. Processed 13.6 GB of raw HTML into 13.6 GB of stored body text — 2.6 GB as Parquet (Zstd). We plan to add more snapshots over time.
 **OpenHTML** is released under the **Open Data Commons Attribution License (ODC-By) v1.0**, the same license used by Common Crawl.
@@ -221,25 +221,25 @@ No intermediate files are created — the pipeline streams from compressed WARC
 ### Compression Ratios
-Numbers below are actual measurements summed across all 4 files of CC-MAIN-2026-12 (78,579 pages total), projected to the full crawl of 100,000 WARC files.
-| Stage | 4 files (measured) | 100,000 files (projected) | Reduction |
 |---|---|---|---|
-| Raw WARC (.warc.gz, downloaded) | ~3.2 GB | ~79.2 TB | — |
-| HTML extracted (uncompressed) | 13.6 GB | ~333.1 TB | — |
-| Body stored (full HTML) | 13.6 GB | ~333.1 TB | **-0.0%** vs HTML |
-| Final Parquet (Zstd) | 2.6 GB | ~62.8 TB | **-81.1%** vs body |
-The body column stores the full raw HTML. Parquet with Zstd then compresses the data further. End to end: ~3.2 GB of raw gzipped WARCs becomes **2.6 GB of Parquet** — a **20.7% total reduction** — containing 78,579 web pages with full metadata.
 ### Processing Times
-Pipeline timings across 4 shards of CC-MAIN-2026-12:
 ```
-Download (raw WARC)                  ████████████████████████  30m 7s
-Extract  (WARC → HTML + metadata)    █████████████████░░░░░░░  22m 28s
-Publish  (HuggingFace upload)        ████░░░░░░░░░░░░░░░░░░░░  5m 47s
 ```
 ### Dataset Charts

 **OpenHTML** is a large-scale web dataset built from [Common Crawl](https://commoncrawl.org). Common Crawl is a non-profit that crawls the web and freely provides its archives and datasets to the public — see [their latest crawl announcement](https://commoncrawl.org/blog/march-2026-crawl-archive-now-available) for details on the source data. Every page goes through a pipeline that extracts the raw HTML body along with structured metadata from WARC records, HTTP response headers, and HTML `<head>` tags, then packages everything into Parquet files with 24 columns.
+The dataset currently includes crawl **CC-MAIN-2026-12** with **197,357 documents across 10 shards**. Processed 34.3 GB of raw HTML into 34.3 GB of stored body text — 6.5 GB as Parquet (Zstd). We plan to add more snapshots over time.
 **OpenHTML** is released under the **Open Data Commons Attribution License (ODC-By) v1.0**, the same license used by Common Crawl.
 ### Compression Ratios
+Numbers below are actual measurements summed across all 10 files of CC-MAIN-2026-12 (197,357 pages total), projected to the full crawl of 100,000 WARC files.
+| Stage | 10 files (measured) | 100,000 files (projected) | Reduction |
 |---|---|---|---|
+| Raw WARC (.warc.gz, downloaded) | ~8.1 GB | ~79.2 TB | — |
+| HTML extracted (uncompressed) | 34.3 GB | ~335.2 TB | — |
+| Body stored (full HTML) | 34.3 GB | ~335.2 TB | **-0.0%** vs HTML |
+| Final Parquet (Zstd) | 6.5 GB | ~63.8 TB | **-81.0%** vs body |
+The body column stores the full raw HTML. Parquet with Zstd then compresses the data further. End to end: ~8.1 GB of raw gzipped WARCs becomes **6.5 GB of Parquet** — a **19.5% total reduction** — containing 197,357 web pages with full metadata.
 ### Processing Times
+Pipeline timings across 10 shards of CC-MAIN-2026-12:
 ```
+Download (raw WARC)                  ████████████████████████  1h 29m 47s
+Extract  (WARC → HTML + metadata)    ███████████████████████░  1h 28m 15s
+Publish  (HuggingFace upload)        ██░░░░░░░░░░░░░░░░░░░░░░  7m 40s
 ```
 ### Dataset Charts

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 crawl_id,file_idx,rows,html_bytes,body_bytes,md_bytes,parquet_bytes,created_at,dur_download_s,dur_extract_s,dur_export_s,dur_publish_s,peak_rss_mb
 CC-MAIN-2026-12,0,19785,3699291685,3699291685,3699291685,714448407,2026-03-24T05:15:28Z,325,206,15,145,1167
 CC-MAIN-2026-12,1,19821,3723062373,3723062373,3723062373,695149393,2026-03-24T05:32:58Z,509,219,11,122,1240
-CC-MAIN-2026-12,2,19664,3686392993,3686392993,3686392993,686566085,2026-03-24T09:00:28Z,576,576,31,0,1144
 CC-MAIN-2026-12,3,19309,3541948209,3541948209,3541948209,665588917,2026-03-24T08:52:08Z,397,266,24,80,1187

 crawl_id,file_idx,rows,html_bytes,body_bytes,md_bytes,parquet_bytes,created_at,dur_download_s,dur_extract_s,dur_export_s,dur_publish_s,peak_rss_mb
 CC-MAIN-2026-12,0,19785,3699291685,3699291685,3699291685,714448407,2026-03-24T05:15:28Z,325,206,15,145,1167
 CC-MAIN-2026-12,1,19821,3723062373,3723062373,3723062373,695149393,2026-03-24T05:32:58Z,509,219,11,122,1240
+CC-MAIN-2026-12,2,19664,3686392993,3686392993,3686392993,686566085,2026-03-24T09:00:28Z,576,576,31,113,1144
 CC-MAIN-2026-12,3,19309,3541948209,3541948209,3541948209,665588917,2026-03-24T08:52:08Z,397,266,24,80,1187
+CC-MAIN-2026-12,4,19751,3678261957,3678261957,3678261957,689500031,2026-03-24T09:02:58Z,590,612,38,0,1164
+CC-MAIN-2026-12,5,19745,3710372767,3710372767,3710372767,710073123,2026-03-24T09:02:58Z,583,634,36,0,1182
+CC-MAIN-2026-12,6,19807,3682649291,3682649291,3682649291,696687340,2026-03-24T09:02:58Z,612,607,37,0,1126
+CC-MAIN-2026-12,7,20000,3736900425,3736900425,3736900425,711637007,2026-03-24T09:02:58Z,592,643,16,0,1151
+CC-MAIN-2026-12,8,19841,3712169397,3712169397,3712169397,718200176,2026-03-24T09:02:58Z,581,626,39,0,1186
+CC-MAIN-2026-12,9,19634,3684929049,3684929049,3684929049,722291047,2026-03-24T09:02:58Z,622,646,13,0,1280