Pagespeedapi: runpagespeed

{
  "captchaResult": string,
  "kind": "pagespeedonline#result",
  "id": string,
  "responseCode": integer,
  "title": string,
  "ruleGroups": {
    (key): {
      "score": integer,
      "pass": boolean
    }
  },
  "loadingExperience": {
    "id": string,
    "metrics": {
      (key): {
        "median": integer,
        "distributions": [
          {
            "min": integer,
            "max": integer,
            "proportion": double
          }
        ],
        "category": string
      }
    },
    "overall_category": string,
    "initial_url": string
  },
  "pageStats": {
    "numberResources": integer,
    "numberHosts": integer,
    "totalRequestBytes": long,
    "numberStaticResources": integer,
    "htmlResponseBytes": long,
    "textResponseBytes": long,
    "overTheWireResponseBytes": long,
    "cssResponseBytes": long,
    "imageResponseBytes": long,
    "javascriptResponseBytes": long,
    "flashResponseBytes": long,
    "otherResponseBytes": long,
    "numberJsResources": integer,
    "numberCssResources": integer,
    "numberRobotedResources": integer,
    "numberTransientFetchFailureResources": integer,
    "numTotalRoundTrips": integer,
    "numRenderBlockingRoundTrips": integer,
    "robotedUrls": [
      string
    ],
    "transientFetchFailureUrls": [
      string
    ],
    "cms": string
  },
  "formattedResults": {
    "locale": string,
    "ruleResults": {
      (key): {
        "localizedRuleName": string,
        "ruleImpact": double,
        "beta": boolean,
        "groups": [
          string
        ],
        "summary": {
          "format": string,
          "args": [
            {
              "type": string,
              "key": string,
              "value": string,
              "rects": [
                {
                  "left": integer,
                  "top": integer,
                  "width": integer,
                  "height": integer
                }
              ],
              "secondary_rects": [
                {
                  "left": integer,
                  "top": integer,
                  "width": integer,
                  "height": integer
                }
              ]
            }
          ]
        },
        "urlBlocks": [
          {
            "header": {
              "format": string,
              "args": [
                {
                  "type": string,
                  "key": string,
                  "value": string,
                  "rects": [
                    {
                      "left": integer,
                      "top": integer,
                      "width": integer,
                      "height": integer
                    }
                  ],
                  "secondary_rects": [
                    {
                      "left": integer,
                      "top": integer,
                      "width": integer,
                      "height": integer
                    }
                  ]
                }
              ]
            },
            "urls": [
              {
                "result": {
                  "format": string,
                  "args": [
                    {
                      "type": string,
                      "key": string,
                      "value": string,
                      "rects": [
                        {
                          "left": integer,
                          "top": integer,
                          "width": integer,
                          "height": integer
                        }
                      ],
                      "secondary_rects": [
                        {
                          "left": integer,
                          "top": integer,
                          "width": integer,
                          "height": integer
                        }
                      ]
                    }
                  ]
                },
                "details": [
                  {
                    "format": string,
                    "args": [
                      {
                        "type": string,
                        "key": string,
                        "value": string,
                        "rects": [
                          {
                            "left": integer,
                            "top": integer,
                            "width": integer,
                            "height": integer
                          }
                        ],
                        "secondary_rects": [
                          {
                            "left": integer,
                            "top": integer,
                            "width": integer,
                            "height": integer
                          }
                        ]
                      }
                    ]
                  }
                ]
              }
            ]
          }
        ]
      }
    }
  },
  "version": {
    "major": integer,
    "minor": integer
  },
  "invalidRules": [
    string
  ],
  "screenshot": {
    "key": string,
    "mime_type": string,
    "data": bytes,
    "width": integer,
    "height": integer,
    "page_rect": {
      "left": integer,
      "top": integer,
      "width": integer,
      "height": integer
    }
  },
  "snapshots": [
    {
      "key": string,
      "mime_type": string,
      "data": bytes,
      "width": integer,
      "height": integer,
      "page_rect": {
        "left": integer,
        "top": integer,
        "width": integer,
        "height": integer
      }
    }
  ]
}