/*
playback timings (ms):
  captures_list: 0.798
  exclusion.robots: 0.031
  exclusion.robots.policy: 0.014
  esindex: 0.019
  cdx.remote: 130.546
  LoadShardBlock: 405.278 (3)
  PetaboxLoader3.datanode: 453.952 (5)
  load_resource: 736.367 (2)
  PetaboxLoader3.resolve: 424.501 (2)
*/