What is Bnffrbot?

Bnf.fr_bot is a bot for the website of the Bibliotheque Nationale de France ( This library collects and preserves documents, manuscripts, prints and more. Besides this the BnF?s digital library, Gallica, provides access to over four millions documents.When following the URL in the user agent, the Library states: You have been referred to this page because your site is currently collected automatically by the BnF (National Library of France). They add in their comment that the BnF uses the Heritrix robot ( to collect websites. Heritrix is a crawler for the National Library of Spain. Both bots appear to work together and will both leave its user agent when crawling a page. It is however not fully transparent what is the difference between Bnf.fr_bot and Heritrix nor what these bots are actually collecting.

BotRank for Bnffrbot (42%):

The Internet of Bots has evaluated Bnffrbot against 50 different checkpoints, of which 21 have been confirmed as being positive. These checkpoints evaluate the transparency and occurrence of a bot and don´t necessarily say something about its quality. The BotRank is calculated as [21*2=] 42%. The details of the bot and the BotRank can be seen below. For more information on how the BotRank is made, you can visit the page Botrank.

User Agent(s) (3/5):

  1. Distinguishable: Yes
  2. Botname: Bnffrbot
  3. Email: Not mentioned
  4. Version: Not mentioned
  5. Mozilla: 1

Whois (5/5):

  1. Public: Visit Whois
  2. Organization: Bibliotheque Nationale de France
  3. Country: France
  4. City: Paris
  5. Street: Yes

Weblinks (4/5):

  1. User agent: Visit Bibliotheque Nationale de France
  2. Crawler: Visit Bibliotheque Nationale de France
  3. Homepage: Visit Bibliotheque Nationale de France
  4. Query: Not available
  5. Adding: Not available

Usage (5/5):

  1. Recommended: Yes
  2. Category: Web archive
  3. Free query: Yes
  4. Register: Yes
  5. Logo: Yes

Occurrence (3/15):

  1. Has visited during 3 of the 15 control months

Webdepth (1/15):

  1. Has visited 1 of the 15 control sites