{
  "html": {
    "elements": {
      "a": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Reference/Elements/a",
          "spec_url": "https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-a-element",
          "tags": [
            "web-features:a"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1",
              "notes": "Starting with Firefox 41, &lt;a&gt; without `href` attribute is no longer classified as interactive content: clicking it inside &lt;label&gt; will activate labelled content ([bug 1167816](https://bugzil.la/1167816))."
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "≤11"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "attributionsourceid": {
          "__compat": {
            "spec_url": "https://privacycg.github.io/private-click-measurement/#dom-htmlanchorelement-attributionsourceid",
            "tags": [
              "web-features:private-click-measurement"
            ],
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "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": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "attributionsrc": {
          "__compat": {
            "tags": [
              "web-features:attribution-reporting"
            ],
            "support": {
              "chrome": {
                "version_added": "125"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "charset": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#attr-a-charset",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": true
            }
          }
        },
        "coords": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#attr-a-coords",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1",
                "version_removed": "58",
                "notes": "You can no longer nest an `<a>` element inside a `<map>` element to create a hotspot region - `coords` and `shape` attribute support removed."
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": true
            }
          }
        },
        "download": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/links.html#attr-hyperlink-download",
            "tags": [
              "web-features:download"
            ],
            "support": {
              "chrome": {
                "version_added": "14",
                "notes": "Starting in Chrome 65, cross-origin downloads are not supported on the `<a>` element."
              },
              "chrome_android": "mirror",
              "edge": [
                {
                  "version_added": "18",
                  "notes": "Starting in Edge 79, cross-origin downloads are not supported on the `<a>` element."
                },
                {
                  "version_added": "13",
                  "version_removed": "18",
                  "partial_implementation": true,
                  "notes": [
                    "Until Edge 14 (build 14357), attempting to download data URIs caused Edge to crash ([bug 7160092](https://developer.microsoft.com/microsoft-edge/platform/issues/7160092/)).",
                    "Edge 17 or older didn't follow the attributes' value to determine filename ([bug 7260192](https://developer.microsoft.com/microsoft-edge/platform/issues/7260192/))."
                  ]
                }
              ],
              "firefox": {
                "version_added": "20"
              },
              "firefox_android": {
                "version_added": "20",
                "notes": "The attribute's filename value only affects the suggested file name for the `blob:` and `data:` URI schemes. Other schemes ignore the suggested filename. See [bug 1845642](https://bugzil.la/1845642)."
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "10.1"
              },
              "safari_ios": {
                "version_added": "13"
              },
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "href": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/links.html#attr-hyperlink-href",
            "tags": [
              "web-features:a"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          },
          "href_sms": {
            "__compat": {
              "description": "`href = 'sms:'`",
              "tags": [
                "web-features:a"
              ],
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                  "version_added": "12"
                },
                "firefox_android": "mirror",
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                  "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "webview_ios": "mirror"
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "href_top": {
            "__compat": {
              "description": "`href = '#top'`",
              "tags": [
                "web-features:a"
              ],
              "support": {
                "chrome": {
                  "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                  "version_added": "12"
                },
                "firefox": {
                  "version_added": "10"
                },
                "firefox_android": "mirror",
                "ie": {
                  "version_added": "≤11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                  "version_added": "≤4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "webview_ios": "mirror"
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          }
        },
        "hreflang": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/links.html#attr-hyperlink-hreflang",
            "tags": [
              "web-features:a"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "hreftranslate": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "81"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "implicit_noopener": {
          "__compat": {
            "description": "`target=\"_blank\"` implies `rel=\"noopener\"` behavior",
            "tags": [
              "web-features:a"
            ],
            "support": {
              "chrome": {
                "version_added": "88"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "79"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "12.1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "interestfor": {
          "__compat": {
            "tags": [
              "web-features:interest-invokers"
            ],
            "support": {
              "chrome": {
                "version_added": "142"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "name": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#attr-a-name",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": true
            }
          }
        },
        "ping": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/links.html#ping",
            "tags": [
              "web-features:ping"
            ],
            "support": {
              "chrome": {
                "version_added": "12"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "17"
              },
              "firefox": {
                "version_added": "1",
                "partial_implementation": true,
                "notes": "This property is exposed but has no effect if the `browser.send_pings` preference is not set to `true`. See [bug 951104](https://bugzil.la/951104)."
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "6"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "referrerpolicy": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/links.html#attr-hyperlink-referrerpolicy",
            "tags": [
              "web-features:referrer-policy"
            ],
            "support": {
              "chrome": {
                "version_added": "51"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "50"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": {
                "version_added": "7.2"
              },
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          },
          "no-referrer-when-downgrade": {
            "__compat": {
              "description": "no-referrer-when-downgrade",
              "tags": [
                "web-features:referrer-policy"
              ],
              "support": {
                "chrome": {
                  "version_added": "51"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                  "version_added": "50",
                  "version_removed": "92"
                },
                "firefox_android": "mirror",
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                  "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": {
                  "version_added": "7.2"
                },
                "webview_android": "mirror",
                "webview_ios": "mirror"
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "origin-when-cross-origin": {
            "__compat": {
              "description": "origin-when-cross-origin",
              "tags": [
                "web-features:referrer-policy"
              ],
              "support": {
                "chrome": {
                  "version_added": "51"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                  "version_added": "50",
                  "version_removed": "92"
                },
                "firefox_android": "mirror",
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                  "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": {
                  "version_added": "7.2"
                },
                "webview_android": "mirror",
                "webview_ios": "mirror"
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "unsafe-url": {
            "__compat": {
              "description": "unsafe-url",
              "tags": [
                "web-features:referrer-policy"
              ],
              "support": {
                "chrome": {
                  "version_added": "51"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                  "version_added": "50",
                  "version_removed": "92"
                },
                "firefox_android": "mirror",
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                  "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": {
                  "version_added": "7.2"
                },
                "webview_android": "mirror",
                "webview_ios": "mirror"
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          }
        },
        "rel": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Reference/Attributes/rel",
            "spec_url": "https://html.spec.whatwg.org/multipage/links.html#attr-hyperlink-rel",
            "tags": [
              "web-features:a"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          },
          "noopener": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Reference/Attributes/rel/noopener",
              "spec_url": "https://html.spec.whatwg.org/multipage/links.html#link-type-noopener",
              "tags": [
                "web-features:a"
              ],
              "support": {
                "chrome": {
                  "version_added": "49"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                  "version_added": "52",
                  "notes": "Before Firefox 63, `rel=\"noopener\"` created windows with all features disabled by default. Starting with Firefox 63, these windows have the same features enabled by default as any other window."
                },
                "firefox_android": "mirror",
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                  "version_added": "10.1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "webview_ios": "mirror"
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "noreferrer": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Reference/Attributes/rel/noreferrer",
              "spec_url": "https://html.spec.whatwg.org/multipage/links.html#link-type-noreferrer",
              "tags": [
                "web-features:a"
              ],
              "support": {
                "chrome": {
                  "version_added": "16"
                },
                "chrome_android": "mirror",
                "edge": {
                  "version_added": "13"
                },
                "firefox": {
                  "version_added": "33"
                },
                "firefox_android": "mirror",
                "ie": {
                  "version_added": "11",
                  "partial_implementation": true,
                  "notes": "Only supported in IE11 in later versions of Windows 10 (creators update). (Per caniuse.com.)"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                  "version_added": "5"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": {
                  "version_added": "1.5"
                },
                "webview_android": "mirror",
                "webview_ios": "mirror"
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          }
        },
        "rev": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#attr-a-rev",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": true
            }
          }
        },
        "shape": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#attr-a-shape",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1",
                "version_removed": "58",
                "notes": "You can no longer nest an `<a>` element inside a `<map>` element to create a hotspot region - `coords` and `shape` attribute support removed."
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": true
            }
          }
        },
        "target": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/links.html#attr-hyperlink-target",
            "tags": [
              "web-features:a"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          },
          "unfencedTop": {
            "__compat": {
              "description": "`_unfencedTop` value",
              "tags": [
                "web-features:fencedframe"
              ],
              "support": {
                "chrome": {
                  "version_added": "126"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                  "version_added": false
                },
                "firefox_android": "mirror",
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                  "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "webview_ios": "mirror"
              },
              "status": {
                "experimental": true,
                "standard_track": true,
                "deprecated": false
              }
            }
          }
        },
        "text_fragments": {
          "__compat": {
            "description": "URL text fragments",
            "tags": [
              "web-features:scroll-to-text-fragment"
            ],
            "support": {
              "chrome": {
                "version_added": "80"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "131"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "16.1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "type": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/links.html#attr-hyperlink-type",
            "tags": [
              "web-features:a"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}