366 lines
6.2 KiB
JSON
366 lines
6.2 KiB
JSON
{
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"title":"Resource Hints: preconnect",
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"description":"Gives a hint to the browser to begin the connection handshake (DNS, TCP, TLS) in the background to improve performance. This is indicated using `<link rel=\"preconnect\" href=\"https://example-domain.com/\">`",
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"spec":"https://www.w3.org/TR/resource-hints/#preconnect",
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"status":"wd",
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"links":[
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{
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"url":"https://www.igvita.com/2015/08/17/eliminating-roundtrips-with-preconnect/",
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"title":"Eliminating Roundtrips with Preconnect"
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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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"edge":{
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"14":"n",
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"15":"a #2",
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"16":"a #2",
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"17":"a #2",
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"18":"a #2",
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"76":"y"
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},
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"firefox":{
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"39":"y #1",
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"41":"y",
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"chrome":{
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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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"7":"n",
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"10.1":"n",
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"11":"n",
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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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"11.1":"n",
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"11.5":"n",
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"11.6":"n",
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"12":"n",
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"12.1":"n",
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"15":"n",
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"16":"n",
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"17":"n",
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"19":"n",
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"20":"n",
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"22":"n",
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"23":"n",
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"24":"n",
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"25":"n",
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"32":"n",
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"33":"y",
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"34":"y",
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"35":"y",
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"62":"y"
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},
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"ios_saf":{
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"3.2":"n",
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"4.0-4.1":"n",
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"8":"n",
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"9.3":"n",
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"10.3":"n",
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"11.0-11.2":"n",
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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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"11":"n",
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"11.1":"n",
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"11.5":"n",
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"12":"n",
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"12.1":"n",
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"46":"y"
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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":"u"
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},
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"ie_mob":{
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"10":"n",
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"11":"n"
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},
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"and_uc":{
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"12.12":"u"
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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":"y"
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},
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"baidu":{
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"7.12":"y"
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},
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"kaios":{
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"2.5":"y"
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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":"Firefox 39 did not support 'crossorigin' attribute and preconnects were not processed by the preload parser. Both of these features were enabled in Firefox 41.",
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"2":"Partial support in Edge 15+ refers to support for only the HTTP header format, not the `<link rel>` format."
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},
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"usage_perc_y":86.43,
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"usage_perc_a":2.07,
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"ucprefix":false,
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"parent":"",
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"keywords":"preconnect, resource hints",
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"ie_id":"preconnectresourcehints",
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"chrome_id":"5560623895150592",
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"firefox_id":"",
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"webkit_id":"",
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"shown":true
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}
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