Who operates Library Of Congress Web Archiving?

Library Of Congress Web Archiving is operated by United States Library of Congress. It functions as United States Library of Congress's research crawler.

Does Library Of Congress Web Archiving respect robots.txt?

United States Library of Congress has not published a robots.txt commitment for Library Of Congress Web Archiving. Treat its behavior as unconfirmed and watch your access logs to see whether your rules are honored.

Should I block Library Of Congress Web Archiving?

Allow Library Of Congress Web Archiving if you are comfortable contributing to academic research. Block it if you want to limit how your content is redistributed, or later used to train AI models.

Library Of Congress Web Archiving - What It Is & How to Handle It

What is Library Of Congress Web Archiving?

Library Of Congress Web Archiving is United States Library of Congress's research crawler. The Library of Congress Web Archive manages, preserves, and provides access to archived web content selected by subject experts from across the Library, so that it will be available for researchers today and in the future.

Library Of Congress Web Archiving collects pages for research rather than commercial indexing. Research corpora are a common starting point for public AI training datasets, so content it gathers can end up influencing what models know about your brand even though the crawl itself is academic.

Like any automated client, Library Of Congress Web Archiving consumes crawl budget and appears in your server and CDN logs. Reviewing those logs alongside your robots.txt rules helps you keep automated traffic deliberate and easy to reason about.

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How to handle Library Of Congress Web Archiving

Allow Library Of Congress Web Archiving if you are comfortable with your pages appearing in research datasets. Disallow it if you want to limit how far your content travels, including into datasets later used for AI training.

To control Library Of Congress Web Archiving, add a rule for its user agent to your robots.txt:

User-agent: www.loc.gov
Disallow: /

United States Library of Congress does not publish a robots.txt commitment for Library Of Congress Web Archiving, so confirm how it behaves by watching your access logs.

Examples

A publisher sees Library Of Congress Web Archiving requesting full article text for a corpus study and decides whether to allow it.
A site owner disallows Library Of Congress Web Archiving to keep subscriber-only content out of research datasets.