/*
playback timings (ms):
  captures_list: 0.561
  exclusion.robots: 0.02
  exclusion.robots.policy: 0.01
  esindex: 0.014
  cdx.remote: 76.912
  LoadShardBlock: 360.906 (3)
  PetaboxLoader3.datanode: 372.661 (4)
  load_resource: 506.857
  PetaboxLoader3.resolve: 226.94
*/