\u5728HTML5\u4e2d,\u6709\u4e2a\u5f88\u6709\u7528\u4f46\u5e38\u88ab\u5ffd\u7565\u7684\u7279\u6027,\u5c31\u662f\u9884\u5148\u52a0\u8f7d(prefetch),\u5b83\u7684\u539f\u7406\u662f:
\n\u5229\u7528\u6d4f\u89c8\u5668\u7684\u7a7a\u95f2\u65f6\u95f4\u53bb\u5148\u4e0b\u8f7d\u7528\u6237\u6307\u5b9a\u9700\u8981\u7684\u5185\u5bb9,\u7136\u540e\u7f13\u5b58\u8d77\u6765,\u8fd9\u6837\u7528\u6237\u4e0b\u6b21\u52a0\u8f7d\u65f6,\u5c31\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u53d6\u51fa\u6765,\u6548\u7387\u5c31\u5feb\u4e86.<\/p>\n
\u4e3e\u4e2a\u4f8b\u5b50\u8bf4\u660e:\u6bd4\u5982\u8981\u9884\u5148\u52a0\u8f7d\u67d0\u4e2a\u9875\u9762,\u53ef\u4ee5\u8fd9\u6837:<\/p>\n
XML\/HTML Code<\/p>\n
<link rel=”prefetch” href=”http:\/\/www.example.com\/”> <!– Firefox –>
\n\u4f46\u5982\u679c\u662fgoogle\u7684\u8bdd,\u8981\u7528\u53e6\u5916\u7684\u4e00\u4e2a\u540d\u79f0,\u5373:<\/p>\n
XML\/HTML Code<\/p>\n
<link rel=”prerender” href=”http:\/\/www.example.com\/”> <!– Chrome –>
\n\u5373\u4f7f\u5728\u4e0d\u652f\u6301\u7684\u6d4f\u89c8\u5668,\u7528\u4e86\u8fd9\u4e2a\u7279\u6027\u5176\u5b9e\u662f\u4e0d\u4f1a\u51fa\u9519\u7684,\u53ea\u4e0d\u8fc7\u6d4f\u89c8\u5668\u89e3\u6790\u4e0d\u5230\u800c\u5df2,
\n\u6240\u4ee5,\u5982\u679c\u4f60\u611f\u89c9\u80fd\u6709\u529e\u6cd5\u9884\u5148\u9884\u6d4b\u5230\u7528\u6237\u671f\u671b\u70b9\u7684\u9875\u9762(\u6bd4\u5982\u7528\u6237\u770b\u6700\u65b0\u7684\u53d7\u6b22\u8fce\u7684\u70ed\u56fe,\u4ed6 \u53ef\u80fd\u770b\u4e86\u7b2c\u4e00\u9875\u540e,\u4f1a\u7ee7\u7eed\u770b\u4e0b\u4e00\u9875,\u8fd9\u4e2a\u65f6\u5019\u5c31\u53ef\u4ee5\u7528\u9884\u5148\u52a0\u8f7d\u8fd9\u4e2a\u7279\u6027\u4e86).\u6bd4\u5982<\/p>\n
XML\/HTML Code<\/p>\n
<link rel=”prefetch” href=”<?php echo get_next_posts_page_link(); ?>”>
\n\u800c\u5355\u72ec\u53d6\u4e00\u5f20\u56fe\u7247\u4e5f\u662f\u53ef\u4ee5\u7684,\u6bd4\u5982:<\/p>\n
XML\/HTML Code<\/p>\n
<link rel=”prefetch” href=”\/images\/test.jpg”\/>
\n\u6709\u4e86\u6d4f\u89c8\u5668\u7f13\u5b58\uff0c\u4e3a\u4f55\u8fd8\u9700\u8981\u9884\u52a0\u8f7d\uff1f
\n1.\u7528\u6237\u53ef\u80fd\u662f\u7b2c\u4e00\u6b21\u8bbf\u95ee\u7f51\u7ad9\uff0c\u6b64\u65f6\u8fd8\u65e0\u7f13\u5b58
\n2.\u7528\u6237\u53ef\u80fd\u6e05\u7a7a\u4e86\u7f13\u5b58
\n3.\u7f13\u5b58\u53ef\u80fd\u5df2\u7ecf\u8fc7\u671f\uff0c\u8d44\u6e90\u5c06\u91cd\u65b0\u52a0\u8f7d
\n4.\u7528\u6237\u8bbf\u95ee\u7684\u7f13\u5b58\u6587\u4ef6\u53ef\u80fd\u4e0d\u662f\u6700\u65b0\u7684\uff0c\u9700\u8981\u91cd\u65b0\u52a0\u8f7d
\n5.Chrome \u7684\u9884\u52a0\u8f7d\u6280\u672f
\n\u73b0\u5728\u7684 chrome \u806a\u660e\u5230\u6839\u636e\u4f60\u7684\u6d4f\u89c8\u8bb0\u5f55\uff0c\u9884\u6d4b\u5230\u4f60\u53ef\u80fd\u8bbf\u95ee\u6216\u641c\u7d22\u54ea\u4e9b\u7f51\u7ad9\uff0c\u5728\u4f60\u6253\u5f00\u7f51\u7ad9\u4e4b\u524d\u5c31\u52a0\u8f7d\u597d\u4e86\u4e00\u4e9b\u8d44\u6e90\u4e86\u3002
\n\u4e3e\u4e2a\u6817\u5b50\uff0c\u5f53\u4f60\u5728\u641c\u7d22\u6846\u8f93\u5165 “amaz” \u65f6\uff0c\u5b83\u731c\u6d4b\u5230\u4f60\u53ef\u80fd\u8981\u8bbf\u95ee amazon.com\uff0c\u53ef\u80fd\u5c31\u5e2e\u4f60\u52a0\u8f7d\u4e86\u8fd9\u4e2a\u7f51\u7ad9\u7684\u4e00\u4e9b\u8d44\u6e90\u3002
\n\u5982\u679c\u8fd9\u4e2a\u9884\u6d4b\u7b97\u6cd5\u7cbe\u51c6\u7684\u8bdd\uff0c\u5c31\u80fd\u5927\u5927\u5730\u63d0\u9ad8\u7528\u6237\u7684\u6d4f\u89c8\u4f53\u9a8c\u4e86\u3002<\/p>\n
DNS prefetch
\n\u6211\u4eec\u77e5\u9053\uff0c\u5f53\u6211\u4eec\u8bbf\u95ee\u4e00\u4e2a\u7f51\u7ad9\u5982 www.amazon.com \u65f6\uff0c\u9700\u8981\u5c06\u8fd9\u4e2a\u57df\u540d\u5148\u8f6c\u5316\u4e3a\u5bf9\u5e94\u7684 IP \u5730\u5740\uff0c\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u8017\u65f6\u7684\u8fc7\u7a0b\u3002
\nDNS prefetch \u5206\u6790\u8fd9\u4e2a\u9875\u9762\u9700\u8981\u7684\u8d44\u6e90\u6240\u5728\u7684\u57df\u540d\uff0c\u6d4f\u89c8\u5668\u7a7a\u95f2\u65f6\u63d0\u524d\u5c06\u8fd9\u4e9b\u57df\u540d\u8f6c\u5316\u4e3a IP \u5730\u5740\uff0c\u771f\u6b63\u8bf7\u6c42\u8d44\u6e90\u65f6\u5c31\u907f\u514d\u4e86\u4e0a\u8ff0\u8fd9\u4e2a\u8fc7\u7a0b\u7684\u65f6\u95f4\u3002<\/p>\n
XML\/HTML Code<\/p>\n
<meta http-equiv=’x-dns-prefetch-control’ content=’on’>
\n<link rel=’dns-prefetch’ href=’http:\/\/g-ecx.images-amazon.com’>
\n<link rel=’dns-prefetch’ href=’http:\/\/z-ecx.images-amazon.com’>
\n<link rel=’dns-prefetch’ href=’http:\/\/ecx.images-amazon.com’>
\n<link rel=’dns-prefetch’ href=’http:\/\/completion.amazon.com’>
\n<link rel=’dns-prefetch’ href=’http:\/\/fls-na.amazon.com’>
\n\u5e94\u7528\u573a\u666f1\uff1a\u6211\u4eec\u7684\u8d44\u6e90\u5b58\u5728\u5728\u4e0d\u540c\u7684 CDN \u4e2d\uff0c\u90a3\u63d0\u524d\u58f0\u660e\u597d\u8fd9\u4e9b\u8d44\u6e90\u7684\u57df\u540d\uff0c\u5c31\u53ef\u4ee5\u8282\u7701\u8bf7\u6c42\u53d1\u751f\u65f6\u4ea7\u751f\u7684\u57df\u540d\u89e3\u6790\u7684\u65f6\u95f4\u3002
\n\u5e94\u7528\u573a\u666f2\uff1a\u5982\u679c\u6211\u4eec\u77e5\u9053\u7528\u6237\u63a5\u4e0b\u6765\u7684\u64cd\u4f5c\u4e00\u5b9a\u4f1a\u53d1\u8d77\u4e00\u8d77\u8d44\u6e90\u7684\u8bf7\u6c42\uff0c\u90a3\u5c31\u53ef\u4ee5\u5c06\u8fd9\u4e2a\u8d44\u6e90\u8fdb\u884c DNS-Prefetch\uff0c\u52a0\u5f3a\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n
Resource prefetch
\n\u5728 Chrome \u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u7528 link\u6807\u7b7e\u58f0\u660e\u7279\u5b9a\u6587\u4ef6\u7684\u9884\u52a0\u8f7d\uff1a<\/p>\n
XML\/HTML Code<\/p>\n
<link rel=’subresource’ href=’critical.js’>
\n<link rel=’subresource’ href=’main.css’>
\n<link rel=’prefetch’ href=’secondary.js’>
\n\u5728 Firefox \u4e2d\u6216\u7528 meta \u6807\u7b7e\u58f0\u660e\uff1a<\/p>\n
XML\/HTML Code<\/p>\n
<meta http-equiv=”Link” content=”<critical.js>; rel=prefetch”>
\nrel=’subresource’ \u8868\u793a\u5f53\u524d\u9875\u9762\u5fc5\u987b\u52a0\u8f7d\u7684\u8d44\u6e90\uff0c\u5e94\u8be5\u653e\u5230\u9875\u9762\u6700\u9876\u7aef\u5148\u52a0\u8f7d\uff0c\u6709\u6700\u9ad8\u7684\u4f18\u5148\u7ea7\u3002
\nrel=’prefetch’ \u8868\u793a\u5f53 subresource \u6240\u6709\u8d44\u6e90\u90fd\u52a0\u8f7d\u5b8c\u540e\uff0c\u5f00\u59cb\u9884\u52a0\u8f7d\u8fd9\u91cc\u6307\u5b9a\u7684\u8d44\u6e90\uff0c\u6709\u6700\u4f4e\u7684\u4f18\u5148\u7ea7\u3002
\n\u6ce8\u610f\uff1a\u53ea\u6709\u53ef\u7f13\u5b58\u7684\u8d44\u6e90\u624d\u8fdb\u884c\u9884\u52a0\u8f7d\uff0c\u5426\u5219\u6d6a\u8d39\u8d44\u6e90\uff01<\/p>\n
Pre render
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\n\u9884\u6e32\u67d3\u610f\u5473\u7740\u6211\u4eec\u63d0\u524d\u52a0\u8f7d\u597d\u7528\u6237\u5373\u5c06\u8bbf\u95ee\u7684\u4e0b\u4e00\u4e2a\u9875\u9762\uff0c\u5426\u5219\u8fdb\u884c\u9884\u6e32\u67d3\u8fd9\u4e2a\u9875\u9762\u5c06\u6d6a\u8d39\u8d44\u6e90\uff0c\u614e\u7528\uff01<\/p>\n
XML\/HTML Code<\/p>\n
<link rel=’prerender’ href=’http:\/\/www.pagetoprerender.com’>
\nrel=’prerender’ \u8868\u793a\u6d4f\u89c8\u5668\u4f1a\u5e2e\u6211\u4eec\u6e32\u67d3\u4f46\u9690\u85cf\u6307\u5b9a\u7684\u9875\u9762\uff0c\u4e00\u65e6\u6211\u4eec\u8bbf\u95ee\u8fd9\u4e2a\u9875\u9762\uff0c\u5219\u79d2\u5f00\u4e86\uff01
\n\u5728 Firefox \u4e2d\u6216\u7528 rel=’next’ \u6765\u58f0\u660e<\/p>\n
XML\/HTML Code<\/p>\n
<link rel=”next” href=”http:\/\/www.pagetoprerender.com”>
\n\u4e0d\u662f\u6240\u6709\u7684\u8d44\u6e90\u90fd\u53ef\u4ee5\u9884\u52a0\u8f7d
\n\u5f53\u8d44\u6e90\u4e3a\u4ee5\u4e0b\u5217\u8868\u4e2d\u7684\u8d44\u6e90\u65f6\uff0c\u5c06\u963b\u6b62\u9884\u6e32\u67d3\u64cd\u4f5c\uff1a
\n1.URL \u4e2d\u5305\u542b\u4e0b\u8f7d\u8d44\u6e90
\n2.\u9875\u9762\u4e2d\u5305\u542b\u97f3\u9891\u3001\u89c6\u9891
\n3.POST\u3001PUT \u548c DELETE \u64cd\u4f5c\u7684 ajax \u8bf7\u6c42
\n4.HTTP \u8ba4\u8bc1(Authentication)
\n5.HTTPS \u9875\u9762
\n6.\u542b\u6076\u610f\u8f6f\u4ef6\u7684\u9875\u9762
\n7.\u5f39\u7a97\u9875\u9762
\n8.\u5360\u7528\u8d44\u6e90\u5f88\u591a\u7684\u9875\u9762
\n9.\u6253\u5f00\u4e86 chrome developer tools \u5f00\u53d1\u5de5\u5177<\/p>\n
\u624b\u52a8\u89e6\u53d1\u9884\u6e32\u67d3\u64cd\u4f5c
\n\u5728 head \u4e2d\u5f3a\u52bf\u63d2\u5165 link[rel=’prerender’] \u5373\u53ef\uff1a<\/p>\n
JavaScript Code<\/p>\n
var hint =document.createElement(“link”)
\nhint.setAttribute(\u201crel\u201d,\u201dprerender\u201d)
\nhint.setAttribute(\u201chref\u201d,\u201dnext-page.html\u201d)
\ndocument.getElementsByTagName(\u201chead\u201d)[0].appendChild(hint)
\n\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014
\n\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3aCSDN\u535a\u4e3b\u300c\u9ad8\u5148\u751f\u7684\u732b\u300d\u7684\u539f\u521b\u6587\u7ae0\uff0c\u9075\u5faaCC 4.0 BY-SA\u7248\u6743\u534f\u8bae\uff0c\u8f6c\u8f7d\u8bf7\u9644\u4e0a\u539f\u6587\u51fa\u5904\u94fe\u63a5\u53ca\u672c\u58f0\u660e\u3002
\n\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/z591102\/article\/details\/106589014<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728HTML5\u4e2d,\u6709\u4e2a\u5f88\u6709\u7528\u4f46\u5e38\u88ab\u5ffd\u7565\u7684\u7279\u6027,\u5c31\u662f\u9884\u5148\u52a0\u8f7d(p…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-805","post","type-post","status-publish","format-standard","hentry","category-htmlcss"],"_links":{"self":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/comments?post=805"}],"version-history":[{"count":1,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/805\/revisions"}],"predecessor-version":[{"id":1242,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/805\/revisions\/1242"}],"wp:attachment":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/media?parent=805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/categories?post=805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/tags?post=805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}