Does Anthropic crawl data from the web, and how can site owners block the crawler?

Follow this source into related guides, company information and practical answers.

Knowledge using this source

2 publications
  1. AI crawler access is not one switch

    Separate controls for search discovery, possible model-training use and visits triggered by a user. The available controls and their effects differ by provider.

  2. Separate Claude search visibility from ClaudeBot traffic

    Measure Claude mentions and citations with the correct search, retrieval, and training-agent context.

Read the JSON companion