{
  "api": {
    "PerformanceNavigation": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceNavigation",
        "spec_url": "https://w3c.github.io/navigation-timing/#dom-performancenavigation",
        "tags": [
          "web-features:performancetiming"
        ],
        "support": {
          "chrome": {
            "version_added": "10"
          },
          "chrome_android": "mirror",
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "7"
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": "9"
          },
          "oculus": "mirror",
          "opera": "mirror",
          "opera_android": "mirror",
          "safari": {
            "version_added": "8"
          },
          "safari_ios": {
            "version_added": "9"
          },
          "samsunginternet_android": "mirror",
          "webview_android": "mirror",
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": true
        }
      },
      "redirectCount": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceNavigation/redirectCount",
          "spec_url": "https://w3c.github.io/navigation-timing/#dom-performancenavigation-redirectcount",
          "tags": [
            "web-features:performancetiming"
          ],
          "support": {
            "chrome": {
              "version_added": "10"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "7"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "9"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "toJSON": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceNavigation/toJSON",
          "spec_url": "https://w3c.github.io/navigation-timing/#dom-performancenavigation-tojson",
          "tags": [
            "web-features:performancetiming"
          ],
          "support": {
            "chrome": {
              "version_added": "56"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "25",
              "notes": "Before Firefox 70, this property could return incorrect values. See [bug 1459711](https://bugzil.la/1459711)."
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "14.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "type": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceNavigation/type",
          "spec_url": "https://w3c.github.io/navigation-timing/#dom-performancenavigation-type",
          "tags": [
            "web-features:performancetiming"
          ],
          "support": {
            "chrome": {
              "version_added": "10"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "7",
              "notes": "Before Firefox 70, this property could return incorrect values. See [bug 1459711](https://bugzil.la/1459711)."
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "9"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      }
    }
  }
}