[
  {
    "idx": 1,
    "url": "https://www.chef.io/blog/2016/05/26/supermarket-berkshelf-incident-post-mortem/",
    "ok": true,
    "error": null
  },
  {
    "idx": 2,
    "url": "https://www.pagerduty.com/blog/reduce-alert-fatigue/",
    "ok": false,
    "error": "HTTP 404"
  },
  {
    "idx": 3,
    "url": "http://www.networkworld.com/article/3074954/security/how-to-use-anycast-to-provide-high-availability-to-a-radius-server.html",
    "ok": false,
    "error": "HTTP 404"
  },
  {
    "idx": 4,
    "url": "https://morningconsult.com/alert/fcc-approves-network-outage-reporting-update-backlash/",
    "ok": false,
    "error": "HTTP 404"
  },
  {
    "idx": 5,
    "url": "https://dzone.com/articles/no-procedure-survives-first-contact-with-a-product",
    "ok": false,
    "error": "HTTP 410"
  },
  {
    "idx": 6,
    "url": "http://www.computerworld.com/article/3073113/software-as-a-service/here-comes-the-fud-legacy-vendors-sure-to-jump-on-the-salesforce-outage.html",
    "ok": false,
    "error": "HTTP 404"
  },
  {
    "idx": 7,
    "url": "http://cloudtweaks.com/2016/05/formal-verification-thwart-network-outages-breaches/",
    "ok": true,
    "error": null
  },
  {
    "idx": 8,
    "url": "http://blog.ifttt.com/private/142024128773/tumblr_o4x2hePEzo1qb2iia",
    "ok": false,
    "error": "HTTP 503"
  },
  {
    "idx": 9,
    "url": "https://blog.codeship.com/fault-tolerance-cheap-build-systems-probably-wont-fall-part-ii/",
    "ok": true,
    "error": null
  }
]