/*
playback timings (ms):
  captures_list: 0.626
  exclusion.robots: 0.022
  exclusion.robots.policy: 0.01
  esindex: 0.012
  cdx.remote: 22.497
  LoadShardBlock: 298.259 (3)
  PetaboxLoader3.datanode: 651.276 (5)
  load_resource: 1546.003 (2)
  PetaboxLoader3.resolve: 1032.506 (2)
*/