Overview

Common Crawl offers a publicly accessible dataset of web crawl data spanning over 300 billion pages collected since 2007, updated monthly with billions of new pages. The data supports research, machine learning, and web analysis with minimal usage restrictions.

Updated Oct 17, 2026.

Key Features

Web data analysis

We make wholesale extraction, transformation, and analysis of open web data accessible to researchers.

Pros

Provides one of the largest publicly available web crawl datasets with historical depth.
Free and open access promotes democratization of web data for research and innovation.
Crawler respects web standards like robots.txt and crawl-delay to minimize server impact.
Data is stored in cloud infrastructure enabling scalable processing and integration.
Supports multiple data indexes and formats for flexible querying and analysis.

Cons

No direct user interface; requires technical skills to process and analyze raw crawl data.
Does not crawl entire websites but samples subsets, which may limit completeness for some use cases.
Crawler does not execute JavaScript or use cookies, limiting dynamic content capture.
Rate limits and IP blocking can occur if API usage is too aggressive.
No commercial support or service-level agreements as a nonprofit resource.

Key Features

Web data analysis

We make wholesale extraction, transformation, and analysis of open web data accessible to researchers.

Pros

Provides one of the largest publicly available web crawl datasets with historical depth.
Free and open access promotes democratization of web data for research and innovation.
Crawler respects web standards like robots.txt and crawl-delay to minimize server impact.
Data is stored in cloud infrastructure enabling scalable processing and integration.
Supports multiple data indexes and formats for flexible querying and analysis.

Cons

No direct user interface; requires technical skills to process and analyze raw crawl data.
Does not crawl entire websites but samples subsets, which may limit completeness for some use cases.
Crawler does not execute JavaScript or use cookies, limiting dynamic content capture.
Rate limits and IP blocking can occur if API usage is too aggressive.
No commercial support or service-level agreements as a nonprofit resource.

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Common Crawl

Overview

Key Features

Web data analysis

Pros

Cons

Featured Video

Frequently Asked Questions

Community reviews (0)

Community reviews (0)

Key Features

Web data analysis

Pros

Cons

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Frequently Asked Questions

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