{
"html": {
"elements": {
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"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Element/link",
"spec_url": "https://html.spec.whatwg.org/multipage/semantics.html#the-link-element",
"support": {
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"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": true
},
"oculus": "mirror",
"opera": {
"version_added": "≤12.1"
},
"opera_android": {
"version_added": "≤12.1"
},
"safari": {
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},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
},
"as": {
"__compat": {
"spec_url": "https://html.spec.whatwg.org/multipage/semantics.html#attr-link-as",
"support": {
"chrome": {
"version_added": "50"
},
"chrome_android": "mirror",
"edge": {
"version_added": "17"
},
"firefox": {
"version_added": "56"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "10"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"blocking": {
"__compat": {
"tags": [
"web-features:blocking-render"
],
"support": {
"chrome": {
"version_added": "105"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": false,
"impl_url": "https://bugzil.la/1751383"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": false,
"impl_url": "https://webkit.org/b/267232"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": true,
"standard_track": true,
"deprecated": false
}
}
},
"charset": {
"__compat": {
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": "≤6"
},
"oculus": "mirror",
"opera": {
"version_added": "≤12.1"
},
"opera_android": {
"version_added": "≤12.1"
},
"safari": {
"version_added": "≤4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
},
"crossorigin": {
"__compat": {
"support": {
"chrome": {
"version_added": "34"
},
"chrome_android": "mirror",
"edge": {
"version_added": "17"
},
"firefox": {
"version_added": "18",
"notes": "Before Firefox 83, crossorigin is not supported for rel=\"icon\"."
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "10"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"disabled": {
"__compat": {
"support": {
"chrome": {
"version_added": "1",
"notes": "In Chrome and other Blink-based browsers, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets."
},
"chrome_android": "mirror",
"edge": {
"version_added": "12",
"notes": "Since Edge 79, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets."
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": "≤6"
},
"oculus": "mirror",
"opera": {
"version_added": "≤12.1",
"notes": "In Chrome and other Blink-based browsers, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets."
},
"opera_android": {
"version_added": "≤12.1",
"notes": "In Chrome and other Blink-based browsers, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets."
},
"safari": {
"version_added": "≤4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": false
}
}
},
"fetchpriority": {
"__compat": {
"spec_url": "https://html.spec.whatwg.org/multipage/semantics.html#attr-link-fetchpriority",
"tags": [
"web-features:fetch-priority"
],
"support": {
"chrome": {
"version_added": "101"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": false
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": {
"version_added": false
},
"opera_android": "mirror",
"safari": {
"version_added": "17.2"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"href": {
"__compat": {
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": "≤6"
},
"oculus": "mirror",
"opera": {
"version_added": "≤12.1"
},
"opera_android": {
"version_added": "≤12.1"
},
"safari": {
"version_added": "≤4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"hreflang": {
"__compat": {
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": "≤6"
},
"oculus": "mirror",
"opera": {
"version_added": "≤12.1"
},
"opera_android": {
"version_added": "≤12.1"
},
"safari": {
"version_added": "≤4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"imagesizes": {
"__compat": {
"support": {
"chrome": {
"version_added": "73"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "78"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "17.2"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"imagesrcset": {
"__compat": {
"support": {
"chrome": {
"version_added": "73"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "78"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "17.2"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"integrity": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/Security/Subresource_Integrity",
"spec_url": [
"https://html.spec.whatwg.org/multipage/semantics.html#attr-link-integrity",
"https://w3c.github.io/webappsec-subresource-integrity/#the-integrity-attribute"
],
"support": {
"chrome": {
"version_added": "45"
},
"chrome_android": "mirror",
"edge": {
"version_added": "17"
},
"firefox": {
"version_added": "43"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11.1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"media": {
"__compat": {
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": "≤6"
},
"oculus": "mirror",
"opera": {
"version_added": "≤12.1"
},
"opera_android": {
"version_added": "≤12.1"
},
"safari": {
"version_added": "≤4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"methods": {
"__compat": {
"support": {
"chrome": {
"version_added": false
},
"chrome_android": "mirror",
"edge": {
"version_added": "12",
"version_removed": "79"
},
"firefox": {
"version_added": false
},
"firefox_android": "mirror",
"ie": {
"version_added": "4"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": false
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": true
}
}
},
"referrerpolicy": {
"__compat": {
"support": {
"chrome": {
"version_added": "51"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "50"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "14"
},
"safari_ios": "mirror",
"samsunginternet_android": {
"version_added": "7.2"
},
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
},
"no-referrer-when-downgrade": {
"__compat": {
"description": "no-referrer-when-downgrade",
"support": {
"chrome": {
"version_added": "51"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "50",
"version_removed": "92"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": false
},
"safari_ios": "mirror",
"samsunginternet_android": {
"version_added": "7.2"
},
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"origin-when-cross-origin": {
"__compat": {
"description": "origin-when-cross-origin",
"support": {
"chrome": {
"version_added": "51"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "50",
"version_removed": "92"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": false
},
"safari_ios": "mirror",
"samsunginternet_android": {
"version_added": "7.2"
},
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"unsafe-url": {
"__compat": {
"description": "unsafe-url",
"support": {
"chrome": {
"version_added": "51"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "50",
"version_removed": "92"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": false
},
"safari_ios": "mirror",
"samsunginternet_android": {
"version_added": "7.2"
},
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
}
},
"rel": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Attributes/rel",
"spec_url": "https://html.spec.whatwg.org/multipage/links.html#linkTypes",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": true
},
"oculus": "mirror",
"opera": {
"version_added": "9"
},
"opera_android": {
"version_added": "10.1"
},
"safari": {
"version_added": "1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
},
"alternate_stylesheet": {
"__compat": {
"description": "rel=\"alternate stylesheet\"",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Alternative_style_sheets",
"spec_url": [
"https://html.spec.whatwg.org/multipage/links.html#rel-alternate",
"https://html.spec.whatwg.org/multipage/links.html#the-link-is-an-alternative-stylesheet",
"https://html.spec.whatwg.org/multipage/semantics.html#attr-style-title",
"https://html.spec.whatwg.org/multipage/semantics.html#attr-meta-http-equiv-default-style",
"https://drafts.csswg.org/cssom/#css-style-sheet-collections"
],
"support": {
"chrome": {
"version_added": "1",
"version_removed": "48"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "3"
},
"firefox_android": "mirror",
"ie": {
"version_added": "8"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": null
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"dns-prefetch": {
"__compat": {
"description": "rel=dns-prefetch",
"mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Attributes/rel/dns-prefetch",
"spec_url": "https://html.spec.whatwg.org/multipage/links.html#link-type-dns-prefetch",
"support": {
"chrome": {
"version_added": "46"
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "≤79"
},
"firefox": {
"version_added": "3"
},
"firefox_android": "mirror",
"ie": {
"version_added": null
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": {
"version_added": "46"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"expect": {
"__compat": {
"description": "rel=expect",
"mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Attributes/rel/expect",
"spec_url": "https://html.spec.whatwg.org/multipage/links.html#link-type-expect",
"support": {
"chrome": {
"version_added": "124"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": false
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": false
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": true,
"standard_track": true,
"deprecated": false
}
}
},
"icon": {
"__compat": {
"description": "rel=icon",
"support": {
"chrome": {
"version_added": "4",
"notes": "If both ICO and PNG are available, will use ICO over PNG if ICO has better matching sizes set. (Per caniuse.com.)."
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12",
"notes": "In version 79 and later (Blink-based Edge), if both ICO and PNG are available, will use ICO over PNG if ICO has better matching sizes set. (Per caniuse.com.)"
},
"firefox": {
"version_added": "2",
"notes": "Before Firefox 83, the crossorigin attribute is not supported for rel=\"icon\"."
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "11"
},
"oculus": "mirror",
"opera": {
"version_added": "9",
"notes": "In version 15 and later (Blink-based Opera), if both ICO and PNG are available, will use ICO over PNG if ICO has better matching sizes set. (Per caniuse.com.)"
},
"opera_android": {
"version_added": false
},
"safari": {
"version_added": "3.1",
"notes": "If both ICO and PNG are available, will ALWAYS use ICO file, regardless of sizes set. (Per caniuse.com.)"
},
"safari_ios": {
"version_added": false,
"notes": "Does not use favicons at all (but may have alternative for bookmarks, etc.). (Per caniuse.com.)"
},
"samsunginternet_android": {
"version_added": "4.0"
},
"webview_android": {
"version_added": "38"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"manifest": {
"__compat": {
"description": "rel=manifest",
"mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Attributes/rel/manifest",
"spec_url": "https://html.spec.whatwg.org/multipage/links.html#link-type-manifest",
"support": {
"chrome": {
"version_added": false
},
"chrome_android": {
"version_added": "39"
},
"edge": "mirror",
"firefox": {
"version_added": null
},
"firefox_android": "mirror",
"ie": {
"version_added": null
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": true,
"standard_track": true,
"deprecated": false
}
}
},
"modulepreload": {
"__compat": {
"description": "rel=modulepreload",
"mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Attributes/rel/modulepreload",
"spec_url": "https://html.spec.whatwg.org/multipage/links.html#link-type-modulepreload",
"tags": [
"web-features:modulepreload"
],
"support": {
"chrome": {
"version_added": "66"
},
"chrome_android": "mirror",
"edge": {
"version_added": "≤79"
},
"firefox": {
"version_added": "115"
},
"firefox_android": "mirror",
"ie": {
"version_added": null
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "17"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"preconnect": {
"__compat": {
"description": "rel=preconnect",
"mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Attributes/rel/preconnect",
"spec_url": "https://html.spec.whatwg.org/multipage/links.html#link-type-preconnect",
"support": {
"chrome": {
"version_added": "46"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "39",
"notes": "Before Firefox 41, it doesn't obey the crossorigin attribute."
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
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"version_added": "11.1"
},
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"version_added": "4.0"
},
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},
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"standard_track": true,
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}
}
},
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"description": "rel=prefetch",
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"version_added": "8",
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},
"chrome_android": "mirror",
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"version_added": "12",
"notes": "Requires secure context"
},
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"version_added": "2",
"notes": "Requires secure context"
},
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"version_added": "11"
},
"oculus": "mirror",
"opera": "mirror",
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"version_added": "13.1",
"flags": [
{
"type": "preference",
"name": "LinkPrefetch"
}
]
},
"safari_ios": "mirror",
"samsunginternet_android": {
"version_added": "1.5",
"notes": "Requires secure context"
},
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"preload": {
"__compat": {
"description": "rel=preload",
"mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Attributes/rel/preload",
"spec_url": "https://html.spec.whatwg.org/multipage/links.html#link-type-preload",
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"chrome": {
"version_added": "50"
},
"chrome_android": "mirror",
"edge": {
"version_added": "≤79"
},
"firefox": [
{
"version_added": "85"
},
{
"version_added": "56",
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"partial_implementation": true,
"notes": "Disabled due to various web compatibility issues (e.g. bug 1405761)."
}
],
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"version_added": null
},
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"opera": "mirror",
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"version_added": null
},
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"version_added": "11.1"
},
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"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
},
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"__compat": {
"description": "as=fetch",
"support": {
"chrome": {
"version_added": "50"
},
"chrome_android": "mirror",
"edge": {
"version_added": "≤79"
},
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{
"version_added": "85"
},
{
"version_added": "56",
"version_removed": "57",
"partial_implementation": true,
"notes": "Disabled due to various web compatibility issues (e.g. bug 1405761)."
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],
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"version_added": null
},
"oculus": "mirror",
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"version_added": null
},
"safari": {
"version_added": "11.1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
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"__compat": {
"description": "as=font",
"support": {
"chrome": {
"version_added": "50"
},
"chrome_android": "mirror",
"edge": {
"version_added": "≤79"
},
"firefox": [
{
"version_added": "85"
},
{
"version_added": "56",
"version_removed": "57",
"partial_implementation": true,
"notes": "Disabled due to various web compatibility issues (e.g. bug 1405761)."
}
],
"firefox_android": "mirror",
"ie": {
"version_added": null
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": {
"version_added": null
},
"safari": {
"version_added": "11.1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
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"description": "as=image",
"support": {
"chrome": {
"version_added": "50"
},
"chrome_android": "mirror",
"edge": {
"version_added": "≤79"
},
"firefox": [
{
"version_added": "85"
},
{
"version_added": "56",
"version_removed": "57",
"partial_implementation": true,
"notes": "Disabled due to various web compatibility issues (e.g. bug 1405761)."
}
],
"firefox_android": "mirror",
"ie": {
"version_added": null
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": {
"version_added": null
},
"safari": {
"version_added": "11.1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
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"__compat": {
"description": "as=script",
"support": {
"chrome": {
"version_added": "50"
},
"chrome_android": "mirror",
"edge": {
"version_added": "≤79"
},
"firefox": [
{
"version_added": "85"
},
{
"version_added": "56",
"version_removed": "57",
"partial_implementation": true,
"notes": "Disabled due to various web compatibility issues (e.g. bug 1405761)."
}
],
"firefox_android": "mirror",
"ie": {
"version_added": null
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": {
"version_added": null
},
"safari": {
"version_added": "11.1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"as-style": {
"__compat": {
"description": "as=style",
"support": {
"chrome": {
"version_added": "50"
},
"chrome_android": "mirror",
"edge": {
"version_added": "≤79"
},
"firefox": [
{
"version_added": "85"
},
{
"version_added": "56",
"version_removed": "57",
"partial_implementation": true,
"notes": "Disabled due to various web compatibility issues (e.g. bug 1405761)."
}
],
"firefox_android": "mirror",
"ie": {
"version_added": null
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": {
"version_added": null
},
"safari": {
"version_added": "11.1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"as-track": {
"__compat": {
"description": "as=track",
"support": {
"chrome": {
"version_added": "50"
},
"chrome_android": "mirror",
"edge": {
"version_added": "≤79"
},
"firefox": {
"version_added": false
},
"firefox_android": "mirror",
"ie": {
"version_added": null
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": {
"version_added": null
},
"safari": {
"version_added": "11.1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
}
},
"prerender": {
"__compat": {
"description": "rel=prerender",
"mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Attributes/rel/prerender",
"support": {
"chrome": {
"version_added": "13"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": false
},
"firefox_android": "mirror",
"ie": {
"version_added": "11"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": false
},
"safari_ios": "mirror",
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"version_added": "1.5"
},
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": true
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}
}
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"rev": {
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"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": "≤6"
},
"oculus": "mirror",
"opera": {
"version_added": "≤12.1"
},
"opera_android": {
"version_added": "≤12.1"
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"safari": {
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"safari_ios": "mirror",
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"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
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"sizes": {
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"support": {
"chrome": {
"version_added": "≤80"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "≤72",
"impl_url": "https://bugzil.la/441770"
},
"firefox_android": "mirror",
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"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "6"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
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}
}
},
"target": {
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"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": "≤6"
},
"oculus": "mirror",
"opera": {
"version_added": "≤12.1"
},
"opera_android": {
"version_added": "≤12.1"
},
"safari": {
"version_added": "≤4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
},
"type": {
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"support": {
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"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": "≤6"
},
"oculus": "mirror",
"opera": {
"version_added": "≤12.1"
},
"opera_android": {
"version_added": "≤12.1"
},
"safari": {
"version_added": "≤4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
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"standard_track": true,
"deprecated": false
}
}
}
}
}
}
}