title: Unknown string in the User-Agent
body: <p>I would like to know what's string in the end of User-Agent after Trident/5.0)</p>
  <p>User-Agent: <code>Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)'%2bbenchmark(20000000%2csha1(1))--%20</code></p>