/*
playback timings (ms):
  captures_list: 0.554
  exclusion.robots: 0.017
  exclusion.robots.policy: 0.008
  esindex: 0.009
  cdx.remote: 7.697
  LoadShardBlock: 125.184 (3)
  PetaboxLoader3.datanode: 77.865 (4)
  PetaboxLoader3.resolve: 401.83 (2)
  load_resource: 378.892
*/