3 ms·

Their server could trivially query the url and store the result hash. This would also give a chance to scan for malicious content

• will_hughes 10y ago
  > Their server could trivially query the url and store the result hash. I'm not sure what you mean here? I've not seen a site tell you "We don't use this query parameter" if you stick an additional param on there.
  • antsar 10y ago
    I think the idea is to detect when different URLs contain the same content. That defends against duplicate entries like example.com/?foo and example.com/?bar (which are the same page).
  • mod 10y ago
    Fetch the page, hash the contents, compare hashes.