document updated 11 years ago, on Aug 28, 2014
Ways to explicitly prevent the Referer: [sic] link from being sent to a website:  
        (either to avoid hotlink protection, or to avoid 
- donotlink.com — prevents search engines from giving "Google juice" to the linked site
 
Sort of related, but not really:  roohit.com — bookmark a SPECIFIC PART of a page, even when that page has no &la; name=...> tags