While the privacy safeguards built into BT Webwise mean that sensitive or private content on websites is not compromised, the system also offers a number of mechanisms by which website owners can prevent pages being profiled if they wish. Website owners may implement any of the following methods:
- HTTPS: No HTTPS traffic passes through the system or is profiled
- Standard HTTP password-protection : Pages protected using standard HTTP password protection, as defined by RFC 1945, will not be profiled
- robots.txt: The Webwise system will observe the rules that a website sets for major search engines using the robots.txt method. If the website's robots.txt file is set such that "*" (any robot) is not permitted to crawl it, then Webwise will not profile its pages.


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