Add Resource Hints

Author: NielsLeenheer

scripts/9/data.js

@@ -2189,6 +2189,50 @@ var tests = [
 										url:		'https://w3c.github.io/requestidlecallback/#the-requestidlecallback-method'
 									}
 								]
+					}, {
+						id:		'resource',
+						status:	'stable',
+						name:	'Resource Loading',
+						items:	[
+									'<strong>Resource hints</strong>',
+
+									{
+										id:			'dns-prefetch',
+										name: 		'<code>link rel=dns-prefetch</code>',
+										value:		1,
+										urls:		[
+														[ 'w3c', 'https://www.w3.org/TR/resource-hints/' ]
+													]
+									}, {
+										id:			'prefetch',
+										name: 		'<code>link rel=prefetch</code>',
+										value:		1,
+										urls:		[
+														[ 'w3c', 'https://www.w3.org/TR/resource-hints/' ]
+													]
+									}, {
+										id:			'preconnect',
+										name: 		'<code>link rel=preconnect</code>',
+										value:		1,
+										urls:		[
+														[ 'w3c', 'https://www.w3.org/TR/resource-hints/' ]
+													]
+									}, {
+										id:			'prerender',
+										name: 		'<code>link rel=prerender</code>',
+										value:		1,
+										urls:    	[
+														[ 'w3c', 'https://www.w3.org/TR/resource-hints/' ]
+													]
+									}, {
+										id:			'preload',
+										name: 		'<code>link rel=preload</code>',
+										value:		1,
+										urls:    	[
+														[ 'w3c', 'https://w3c.github.io/preload/' ]
+													]
+									},
+								]
 					}, {
 						id:		'security',
 						status:	'stable',

scripts/9/engine.js

@@ -2212,6 +2212,66 @@ Test9 = (function () {
         },
 
 
+        /* link rel=dns-prefetch */
+
+        function (results) {
+            var link = document.createElement('link');
+
+            results.addItem({
+                key: 'resource.dns-prefetch',
+                passed: link.relList && link.relList.supports && link.relList.supports('dns-prefetch')
+            });
+        },
+
+
+        /* link rel=prefetch */
+
+        function (results) {
+            var link = document.createElement('link');
+
+            results.addItem({
+                key: 'resource.prefetch',
+                passed: link.relList && link.relList.supports && link.relList.supports('prefetch')
+            });
+        },
+
+
+        /* link rel=preconnect */
+
+        function (results) {
+            var link = document.createElement('link');
+
+            results.addItem({
+                key: 'resource.preconnect',
+                passed: link.relList && link.relList.supports && link.relList.supports('preconnect')
+            });
+        },
+
+
+        /* link rel=preload */
+
+        function (results) {
+            var link = document.createElement('link');
+
+            results.addItem({
+                key: 'resource.preload',
+                passed: link.relList && link.relList.supports && link.relList.supports('preload')
+            });
+        },
+
+
+        /* link rel=prerender */
+
+        function (results) {
+            var link = document.createElement('link');
+
+            results.addItem({
+                key: 'resource.prerender',
+                passed: link.relList && link.relList.supports && link.relList.supports('prerender')
+            });
+        },
+
+
         /* webworker */
 
         function (results) {