The Legislative Branch Web Archive includes a variety of websites created by Congressional groups and agencies that fall within the legislative branch. This includes websites created by Congress for specific topics or bills, websites for congressional groups including majority and minority offices, Architect of the Capitol, Government Publishing Office and the Library of Congress. While some Library of Congress sites are included, more are available in the Library of Congress Web Sites Web Archive.

Collection Period: September 2001 to present (this is an ongoing archive).

Frequency of Collection: The majority of sites in the collection were targeted for capture monthly, with fewer sites captured in weekly, quarterly, or twice-yearly.

Languages: Collection material in English, with Romansh and Russian.

Acquisition Information: Sites have been added incrementally since the project began and will continue to be added as they are identified.