[
  {
    "idx": 1,
    "url": "https://www.theverge.com/2018/7/28/17622792/plugin-use-the-internet-without-the-amazon-cloud",
    "ok": true,
    "error": null
  },
  {
    "idx": 2,
    "url": "https://www.techrepublic.com/article/how-to-set-up-high-availability-storage-with-glusterfs-on-ubuntu-18-04/",
    "ok": true,
    "error": null
  },
  {
    "idx": 3,
    "url": "https://www.pagerduty.com/blog/pagerdutyama-alice-goldfuss/",
    "ok": false,
    "error": "HTTP 404"
  },
  {
    "idx": 4,
    "url": "http://blog.christianposta.com/microservices/application-safety-and-correctness-cannot-be-offloaded-to-istio-or-any-service-mesh/",
    "ok": false,
    "error": "HTTP 404"
  },
  {
    "idx": 5,
    "url": "https://www.theatlantic.com/national/archive/2018/08/the-lessons-of-the-seattle-plane-crash/567359/",
    "ok": true,
    "error": null
  },
  {
    "idx": 6,
    "url": "https://twitter.com/dbaops/status/1029470547405561856",
    "ok": false,
    "error": "HTTP 404"
  },
  {
    "idx": 7,
    "url": "https://medium.com/@copyconstruct/health-checks-in-distributed-systems-aa8a0e8c1672",
    "ok": false,
    "error": "HTTP 403"
  }
]