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Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project. Heritrix (sometimes spelled heretrix, or misspelled or missaid as heratrix/heritix/heretix/heratix) is an archaic word for heiress (woman who inherits). Since our crawler seeks to collect and preserve the digital artifacts of our culture for the benefit of future researchers and generations, this name seemed apt.

Heritrix is designed to respect therobots.txt exclusion directives andMETA nofollow tags. Please consider theload your crawl will place on seed sites and set politeness policies accordingly. Also, always identify your crawl with contact information in theUser-Agent so sites that may be adversely affected by your crawl can contact you or adapt their server behavior accordingly.

• Getting Started
• Operating Heritrix
• Configuring Crawl Jobs
• Bean Reference
• Wiki

• Developer Manual
• REST API documentation
• JavaDoc:engine,modules,commons,contrib

Information about releases can be foundhere.

Heritrix is free software; you can redistribute it and/or modify it under the terms of theApache License, Version 2.0

Some individual source code files are subject to or offered under other licenses. See the includedLICENSE.txt file for more information.

Heritrix is distributed with the libraries it depends upon. The libraries can be found under thelib directory in the release distribution, and are used under the terms of their respective licenses, which are included alongside the libraries in thelib directory.