A number of organizations and national libraries are using Heritrix, among them:

The occasional female landholder so liable was known as an heritrix.

The Web crawler currently used is Heritrix version 3.

Heritrix is a web crawler designed for web archiving.

The Internet Archive itself did some of its own crawling using Heritrix, but only on a smaller scale.

Later to analysis phase and software test was determined that be used Heritrix software, applied in most capture of digital resources projects.

Heritrix generates resources stored in a "container", the ARC file (.

Heritrix was not the main crawler used to crawl content for the Internet Archive's web collection for many years.

Heritrix comes with several command-line tools:

Heritrix was developed jointly by the Internet Archive and the Nordic national libraries on specifications written in early 2003.

Heritrix includes a command-line tool called arcreader which can be used to extract the contents of an Arc file.

Older versions of Heritrix by default storeed the web resources it crawls in an Arc file.

These ARC files are generated by the Internet Archive's Heritrix web crawler.

Heritrix is the Internet Archive's archival-quality crawler, designed for archiving periodic snapshots of a large portion of the Web.

Heritrix can also be configured to store files in a directory format similar to the Wget crawler that uses the URL to name the directory and filename of each resource.

Because of this, general open source crawlers, such as Heritrix, must be customized to filter out other MIME types, or a middleware is used to extract these documents out and import them to the focused crawl database and repository.