376 lines
6.7 KiB
JSON
376 lines
6.7 KiB
JSON
{
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"title":"Resource Hints: preload",
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"description":"Using `<link rel=\"preload\">`, browsers can be informed to prefetch resources without having to execute them, allowing fine-grained control over when and how resources are loaded.",
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"spec":"https://w3c.github.io/preload/",
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"status":"cr",
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"links":[
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{
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"url":"https://www.smashingmagazine.com/2016/02/preload-what-is-it-good-for/",
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"title":"Preload: What Is It Good For?"
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},
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{
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"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1222633",
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"title":"Firefox support bug"
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},
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{
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"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Preloading_content",
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"title":"MDN Web Docs - Preloading content with rel=\"preload\""
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}
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],
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"bugs":[
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],
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"categories":[
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"DOM"
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],
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"stats":{
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"ie":{
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"5.5":"n",
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"17":"a #4",
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"18":"a #4",
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"76":"y"
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},
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"firefox":{
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"2":"n",
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"56":"a #1",
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"57":"n d #3",
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"59":"n d #3",
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"70":"n d #3",
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},
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"79":"y",
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"80":"y"
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},
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"safari":{
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"3.1":"n",
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"3.2":"n",
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"4":"n",
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"5":"n",
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"5.1":"n",
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"6":"n",
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"10":"n",
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"10.1":"n",
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"11":"n d #2",
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"11.1":"y",
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"12":"y",
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"12.1":"y",
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"13":"y",
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"TP":"y"
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},
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"opera":{
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"9":"n",
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"9.5-9.6":"n",
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"10.0-10.1":"n",
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"10.5":"n",
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"10.6":"n",
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"11":"n",
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"11.6":"n",
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},
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"ios_saf":{
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"4.2-4.3":"n",
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"7.0-7.1":"n",
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"8":"n",
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"9.0-9.2":"n",
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"9.3":"n",
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"10.0-10.2":"n",
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"10.3":"n",
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"11.0-11.2":"n d #2",
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"11.3-11.4":"y",
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"12.0-12.1":"y",
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"12.2-12.3":"y",
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"13":"y"
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},
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"op_mini":{
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"all":"n"
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},
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"android":{
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"2.1":"n",
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"2.2":"n",
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"2.3":"n",
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"3":"n",
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"4":"n",
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"4.1":"n",
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"4.2-4.3":"n",
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"4.4":"n",
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"4.4.3-4.4.4":"n",
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"76":"y"
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},
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"bb":{
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"7":"n",
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"10":"n"
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},
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"op_mob":{
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"10":"n",
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},
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"and_chr":{
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"76":"y"
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},
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"and_ff":{
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"68":"n d #3"
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},
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"ie_mob":{
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"10":"n",
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},
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"and_uc":{
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"12.12":"n"
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},
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"samsung":{
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"4":"n",
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"5.0-5.4":"y",
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"6.2-6.4":"y",
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"7.2-7.4":"y",
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"8.2":"y",
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"9.2":"y"
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},
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"and_qq":{
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"1.2":"n"
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},
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"baidu":{
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"7.12":"n"
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},
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"kaios":{
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"2.5":"n"
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}
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},
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"notes":"",
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"notes_by_num":{
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"1":"Only cachable resources can be preloaded. This includes the following `as` values: script, style, image, video, audio, track, fetch, and font (note font/collection is not supported).",
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"2":"Can be enabled via the \"Experimental Features\" developer menu",
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"3":"Disabled by default behind the `network.preload` flag.",
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"4":"Partial support in Edge 17+ refers to support for only the HTML `<link rel>` format, not the HTTP header format."
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},
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"usage_perc_y":81.33,
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"usage_perc_a":2,
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"ucprefix":false,
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"parent":"",
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"keywords":"",
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"ie_id":"preload",
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"chrome_id":"5757468554559488",
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"firefox_id":"link-rel-preload",
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"webkit_id":"specification-preload",
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"shown":true
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}
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