{"id":23551,"date":"2025-08-19T15:35:30","date_gmt":"2025-08-19T07:35:30","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/mobile-first-indexing-and-cls-optimization-on-us-server\/"},"modified":"2025-08-19T15:40:41","modified_gmt":"2025-08-19T07:40:41","slug":"mobile-first-indexing-and-cls-optimization-on-us-server","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/mobile-first-indexing-and-cls-optimization-on-us-server\/","title":{"rendered":"\u7f8e\u570b\u4f3a\u670d\u5668\u74b0\u5883\u4e0b\u7684\u884c\u52d5\u512a\u5148\u7d22\u5f15\u8207CLS\u6700\u4f73\u5316"},"content":{"rendered":"\n<div class=\"note\">\n        \u672c\u6280\u8853\u6307\u5357\u5168\u9762\u6db5\u84cb\u4e86\u73fe\u4ee3\u7db2\u7ad9\u958b\u767c\u4e2d\u884c\u52d5\u512a\u5148\u7d22\u5f15\u548c\u7d2f\u7a4d\u7248\u9762\u914d\u7f6e\u504f\u79fb(CLS)\u7684\u9032\u968e\u6700\u4f73\u5316\u7b56\u7565\u548c\u6700\u4f73\u5be6\u8e10\u3002\u8003\u616e\u5230\u884c\u52d5\u88dd\u7f6e\u4f54\u64da\u8d85\u904e60%\u7684\u7db2\u8def\u6d41\u91cf\uff0c\u9019\u4e9b\u6700\u4f73\u5316\u5c0d\u65bc\u63d0\u4f9b\u5353\u8d8a\u7684\u4f7f\u7528\u8005\u9ad4\u9a57\u548c\u4fdd\u6301\u5f37\u5927\u7684\u641c\u5c0b\u5f15\u64ce\u6392\u540d\u81f3\u95dc\u91cd\u8981\uff0c\u5c24\u5176\u662f\u5728\u9762\u5411<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/us\/cn2\/\" target=\"_blank\">\u7f8e\u570b\u4f3a\u670d\u5668<\/a>\u5e02\u5834\u6642\u3002\n    <\/div>\n<h2>1. \u6838\u5fc3\u6280\u8853\u5143\u4ef6<\/h2>\n<p>\u73fe\u4ee3\u884c\u52d5\u512a\u5148\u7d22\u5f15\u4f9d\u8cf4\u65bc\u591a\u500b\u95dc\u9375\u6280\u8853\u5143\u4ef6\u7684\u5354\u540c\u5de5\u4f5c\uff0c\u4ee5\u5275\u5efa\u6700\u4f73\u5316\u7684\u884c\u52d5\u9ad4\u9a57\u3002\u6b63\u78ba\u7406\u89e3\u548c\u5be6\u65bd\u9019\u4e9b\u5143\u4ef6\u5c0d\u65bc\u5be6\u73fe\u6700\u4f73\u6548\u80fd\u81f3\u95dc\u91cd\u8981\uff1a<\/p>\n<ul>\n<li>\u97ff\u61c9\u5f0f\u6aa2\u8996\u5340\u914d\u7f6e\uff1a\u900f\u904e\u5143\u6aa2\u8996\u5340\u6a19\u7c64\u548c\u97ff\u61c9\u5f0f\u8a2d\u8a08\u539f\u5247\u78ba\u4fdd\u5728\u6240\u6709\u88dd\u7f6e\u5c3a\u5bf8\u4e0a\u7684\u6b63\u78ba\u7e2e\u653e\u548c\u6e32\u67d3<\/li>\n<li>\u52d5\u614b\u8cc7\u6e90\u8f09\u5165\uff1a\u5be6\u65bd\u667a\u6167\u8f09\u5165\u7b56\u7565\u4ee5\u5e73\u8861\u6548\u80fd\u548c\u529f\u80fd<\/li>\n<li>\u884c\u52d5\u7aef\u7279\u5b9a\u5167\u5bb9\u6700\u4f73\u5316\uff1a\u5728\u4fdd\u6301\u5167\u5bb9\u4e00\u81f4\u6027\u7684\u540c\u6642\uff0c\u5c08\u9580\u70ba\u884c\u52d5\u4f7f\u7528\u8005\u5b9a\u5236\u5167\u5bb9\u50b3\u905e\u548c\u5c55\u793a<\/li>\n<li>\u6548\u80fd\u6307\u6a19\u76e3\u63a7\uff1a\u6301\u7e8c\u8ffd\u8e64\u548c\u5206\u6790\u95dc\u9375\u6548\u80fd\u6307\u6a19\u4ee5\u7dad\u6301\u6700\u4f73\u4f7f\u7528\u8005\u9ad4\u9a57<\/li>\n<li>\u7f8e\u570b\u4f3a\u670d\u5668\u57fa\u790e\u8a2d\u65bd\u6700\u4f73\u5316\uff1a\u900f\u904e\u7b56\u7565\u6027\u4f3a\u670d\u5668\u90e8\u7f72\u78ba\u4fdd\u7f8e\u570b\u4f7f\u7528\u8005\u7684\u5feb\u901f\u56de\u61c9\u6642\u9593<\/li>\n<\/ul>\n<h2>2. CLS\u9810\u9632\u7b56\u7565<\/h2>\n<p>    <code><br \/>\n\/\/ \u793a\u4f8b\uff1a\u70ba\u52d5\u614b\u5167\u5bb9\u9810\u7559\u7a7a\u9593<br \/>\nconst contentContainer = document.querySelector('.dynamic-content');<br \/>\ncontentContainer.style.minHeight = '200px';<br \/>\ncontentContainer.style.position = 'relative';<\/p>\n<p>\/\/ \u5be6\u73fe\u6f38\u9032\u5f0f\u8f09\u5165<br \/>\nconst loadContent = async () => {<br \/>\n    const content = await fetchDynamicContent();<br \/>\n    contentContainer.innerHTML = content;<br \/>\n};<br \/>\n    <\/code><\/p>\n<h2>3. \u4f3a\u670d\u5668\u7aef\u5be6\u73fe<\/h2>\n<ul>\n<li>\u7f8e\u570b\u4f3a\u670d\u5668\u57fa\u790e\u8a2d\u65bd\n<ul>\n<li>\u6771\u6d77\u5cb8\u8cc7\u6599\u4e2d\u5fc3\uff1a\u5728\u7dad\u5409\u5c3c\u4e9e\u3001\u7d10\u7d04\u548c\u65b0\u6fa4\u897f\u90e8\u7f72\u4e3b\u8981\u4f3a\u670d\u5668\uff0c\u5be6\u73fe\u6771\u6d77\u5cb8\u6700\u4f73\u8986\u84cb<\/li>\n<li>\u897f\u6d77\u5cb8\u8cc7\u6599\u4e2d\u5fc3\uff1a\u5728\u52a0\u5229\u798f\u5c3c\u4e9e\u3001\u5967\u52d2\u5ca1\u548c\u83ef\u76db\u9813\u90e8\u7f72\u4f3a\u670d\u5668\uff0c\u6700\u4f73\u5316\u897f\u6d77\u5cb8\u6548\u80fd<\/li>\n<li>\u7f8e\u570b\u4e2d\u90e8\u7bc0\u9ede\uff1a\u5728\u5fb7\u514b\u85a9\u65af\u548c\u829d\u52a0\u54e5\u9032\u884c\u7b56\u7565\u6027\u4f3a\u670d\u5668\u90e8\u7f72\uff0c\u5be6\u73fe\u5168\u570b\u7d9c\u5408\u8986\u84cb<\/li>\n<li>AWS\u7f8e\u570b\u5340\u57df\u6574\u5408\uff1a\u5229\u7528\u4e9e\u99ac\u905c\u5f37\u5927\u7684\u7f8e\u570b\u57fa\u790e\u8a2d\u65bd\u63d0\u4f9b\u53ef\u9760\u670d\u52d9<\/li>\n<\/ul>\n<\/li>\n<li>\u5167\u5bb9\u50b3\u905e\u7db2\u8def(CDN)\u914d\u7f6e\n<ul>\n<li>\u908a\u7de3\u5feb\u53d6\u5be6\u73fe\uff1a\u5728\u7f8e\u570b\u4e3b\u8981\u90fd\u5e02\u5340\u7b56\u7565\u6027\u90e8\u7f72\u908a\u7de3\u4f3a\u670d\u5668<\/li>\n<li>\u5730\u7406\u5206\u5e03\uff1a\u6839\u64da\u7f8e\u570b\u6d41\u91cf\u6a21\u5f0f\u548c\u4f7f\u7528\u8005\u96c6\u4e2d\u5ea6\u6700\u4f73\u5316\u8def\u7531<\/li>\n<li>\u8ca0\u8f09\u5e73\u8861\u8a2d\u5b9a\uff1a\u8de8\u7f8e\u570b\u4f3a\u670d\u5668\u7db2\u8def\u7684\u9032\u968e\u6d41\u91cf\u5206\u914d<\/li>\n<\/ul>\n<\/li>\n<li>\u8cc7\u6e90\u6700\u4f73\u5316\n<ul>\n<li>\u5716\u7247\u58d3\u7e2e\uff1a\u4f7f\u7528WebP\u548cAVIF\u7b49\u73fe\u4ee3\u683c\u5f0f\u5be6\u73fe\u9069\u7576\u7684\u58d3\u7e2e\u7d1a\u5225<\/li>\n<li>\u7a0b\u5f0f\u78bc\u58d3\u7e2e\uff1a\u900f\u904e\u81ea\u52d5\u5316\u5efa\u7f6e\u6d41\u7a0b\u548c\u6700\u4f73\u5316\u5de5\u5177\u6e1b\u5c0f\u6a94\u6848\u5927\u5c0f<\/li>\n<li>\u5feb\u53d6\u7b56\u7565\u8a2d\u5b9a\uff1a\u57fa\u65bc\u5340\u57df\u4f7f\u7528\u6a21\u5f0f\u7684\u7f8e\u570b\u7279\u5b9a\u5feb\u53d6\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>4. \u6548\u80fd\u6700\u4f73\u5316\u6280\u8853<\/h2>\n<p>    <code><br \/>\n\/\/ \u4f7f\u7528\u7f8e\u570bCDN\u8def\u5f91\u5be6\u73fe\u5716\u7247\u5ef6\u9072\u8f09\u5165<br \/>\ndocument.addEventListener('DOMContentLoaded', () => {<br \/>\n    const images = document.querySelectorAll('img[data-src]');<br \/>\n    const imageObserver = new IntersectionObserver((entries) => {<br \/>\n        entries.forEach(entry => {<br \/>\n            if (entry.isIntersecting) {<br \/>\n                const img = entry.target;<br \/>\n                img.src = img.dataset.src;<br \/>\n                imageObserver.unobserve(img);<br \/>\n            }<br \/>\n        });<br \/>\n    });<\/p>\n<p>    images.forEach(img => imageObserver.observe(img));<br \/>\n});<br \/>\n    <\/code><\/p>\n<h2>5. \u6700\u4f73\u5be6\u8e10<\/h2>\n<ol>\n<li>\u7f8e\u570b\u4f3a\u670d\u5668\u914d\u7f6e\n<ul>\n<li>\u4f7f\u7528\u7f8e\u570bSSL\u6191\u8b49\u5be6\u73feHTTPS<\/li>\n<li>\u7f8e\u570b\u7db2\u57dfDNS\u6700\u4f73\u5316<\/li>\n<li>\u5340\u57df\u8ca0\u8f09\u5e73\u8861\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<li>\u7248\u9762\u914d\u7f6e\u7a69\u5b9a\u6027\n<ul>\n<li>\u4f7f\u7528CSS contain\u5c6c\u6027\uff1a\u5be6\u73fe\u5bb9\u5668\u5316\u4ee5\u63d0\u9ad8\u6e32\u67d3\u6548\u80fd\u548c\u7248\u9762\u914d\u7f6e\u7a69\u5b9a\u6027<\/li>\n<li>\u5be6\u73fe\u5c3a\u5bf8\u5c6c\u6027\uff1a\u70ba\u5a92\u9ad4\u5143\u7d20\u9810\u5b9a\u7fa9\u5c3a\u5bf8\u4ee5\u9632\u6b62\u7248\u9762\u914d\u7f6e\u504f\u79fb<\/li>\n<li>\u907f\u514d\u52d5\u614b\u5167\u5bb9\u504f\u79fb\uff1a\u8b39\u614e\u7ba1\u7406\u52d5\u614b\u5167\u5bb9\u7684\u63d2\u5165\u548c\u4fee\u6539<\/li>\n<\/ul>\n<\/li>\n<li>\u8cc7\u6e90\u8f09\u5165\n<ul>\n<li>\u95dc\u9375\u8cc7\u6e90\u512a\u5148\uff1a\u512a\u5148\u8f09\u5165\u5fc5\u8981\u5167\u5bb9\u4ee5\u63d0\u9ad8\u611f\u77e5\u6548\u80fd<\/li>\n<li>\u5ef6\u9072\u975e\u95dc\u9375\u5167\u5bb9\uff1a\u5728\u95dc\u9375\u6e32\u67d3\u5f8c\u63a8\u9072\u8f09\u5165\u6b21\u8981\u5167\u5bb9<\/li>\n<li>\u6700\u4f73\u5316\u8f09\u5165\u9806\u5e8f\uff1a\u7cbe\u5fc3\u5b89\u6392\u8cc7\u6e90\u7684\u8f09\u5165\u9806\u5e8f\u4ee5\u5be6\u73fe\u6700\u4f73\u6548\u80fd<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>6. \u76e3\u63a7\u8207\u5206\u6790<\/h2>\n<p>    <code><br \/>\n\/\/ \u8a2d\u7f6e\u7f8e\u570b\u6307\u6a19\u91cd\u9ede\u7684\u6548\u80fd\u76e3\u63a7<br \/>\nconst performanceObserver = new PerformanceObserver((list) => {<br \/>\n    const entries = list.getEntries();<br \/>\n    entries.forEach(entry => {<br \/>\n        if (entry.entryType === 'layout-shift') {<br \/>\n            console.log(`\u6aa2\u6e2c\u5230\u7248\u9762\u914d\u7f6e\u504f\u79fb: ${entry.value}`);<br \/>\n        }<br \/>\n    });<br \/>\n});<\/p>\n<p>performanceObserver.observe({entryTypes: ['layout-shift']});<br \/>\n    <\/code><\/p>\n<h2>7. \u6280\u8853\u5be6\u65bd\u6b65\u9a5f<\/h2>\n<ul>\n<li>\u7f8e\u570b\u4f3a\u670d\u5668\u8a2d\u7f6e\n<ul>\n<li>\u914d\u7f6e\u7f8e\u570b\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883<\/li>\n<li>\u5be6\u65bd\u5340\u57dfCDN\u7d42\u7aef\u7bc0\u9ede<\/li>\n<li>\u8a2d\u7f6e\u5730\u7406\u8def\u7531\u898f\u5247<\/li>\n<\/ul>\n<\/li>\n<li>\u521d\u59cb\u8a2d\u7f6e\n<ul>\n<li>\u914d\u7f6e\u6aa2\u8996\u5340\u5143\u6a19\u7c64\uff1a\u900f\u904e\u6b63\u78ba\u7684\u6aa2\u8996\u5340\u914d\u7f6e\u78ba\u4fdd\u884c\u52d5\u7aef\u6e32\u67d3<\/li>\n<li>\u5be6\u73fe\u97ff\u61c9\u5f0f\u8a2d\u8a08\u6a21\u5f0f\uff1a\u4f7f\u7528Grid\u548cFlexbox\u7b49\u73fe\u4ee3CSS\u6280\u8853\u5be6\u73fe\u6d41\u66a2\u7248\u9762\u914d\u7f6e<\/li>\n<li>\u8a2d\u7f6e\u6548\u80fd\u76e3\u63a7\uff1a\u5be6\u65bd\u95dc\u9375\u6548\u80fd\u6307\u6a19\u7684\u5168\u9762\u8ffd\u8e64<\/li>\n<\/ul>\n<\/li>\n<li>\u6700\u4f73\u5316\u968e\u6bb5\n<ul>\n<li>\u5be6\u73fe\u5ef6\u9072\u8f09\u5165\uff1a\u70ba\u5716\u7247\u548c\u5176\u4ed6\u91cd\u578b\u5167\u5bb9\u8a2d\u7f6e\u667a\u6167\u8f09\u5165\u7b56\u7565<\/li>\n<li>\u914d\u7f6e\u4f3a\u670d\u5668\u7aef\u5feb\u53d6\uff1a\u70ba\u4e0d\u540c\u985e\u578b\u7684\u5167\u5bb9\u5efa\u7acb\u6709\u6548\u7684\u5feb\u53d6\u7b56\u7565<\/li>\n<li>\u6700\u4f73\u5316\u8cc7\u6e90\u50b3\u8f38\uff1a\u900f\u904e\u58d3\u7e2e\u548c\u6700\u4f73\u5316\u5fae\u8abf\u8cc7\u7522\u50b3\u8f38<\/li>\n<\/ul>\n<\/li>\n<li>\u7dad\u8b77\n<ul>\n<li>\u5b9a\u671f\u6548\u80fd\u7a3d\u6838\uff1a\u5b9a\u671f\u6aa2\u67e5\u7ad9\u9ede\u6548\u80fd\u548c\u6700\u4f73\u5316\u6548\u679c<\/li>\n<li>\u66f4\u65b0\u6700\u4f73\u5316\u7b56\u7565\uff1a\u6839\u64da\u65b0\u7684\u6700\u4f73\u5be6\u8e10\u548c\u6280\u8853\u8abf\u6574\u7b56\u7565<\/li>\n<li>\u76e3\u63a7\u6838\u5fc3\u7db2\u9801\u6307\u6a19\uff1a\u6301\u7e8c\u8ffd\u8e64\u548c\u6539\u9032\u95dc\u9375\u6548\u80fd\u6307\u6a19<\/li>\n<li>\u7f8e\u570b\u4f3a\u670d\u5668\u7dad\u8b77\uff1a\u5b9a\u671f\u66f4\u65b0\u548c\u6700\u4f73\u5316\u7f8e\u570b\u57fa\u790e\u8a2d\u65bd<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>8. \u7f8e\u570b\u5e02\u5834\u8003\u616e\u56e0\u7d20<\/h2>\n<p>\u91dd\u5c0d\u7f8e\u570b\u5e02\u5834\u7684\u5177\u9ad4\u8003\u616e\uff1a<\/p>\n<ul>\n<li>\u7b26\u5408\u7f8e\u570b\u8cc7\u6599\u4fdd\u8b77\u6cd5\u898f<\/li>\n<li>\u6574\u5408\u7f8e\u570b\u672c\u571f\u5206\u6790\u670d\u52d9<\/li>\n<li>\u652f\u63f4\u4e3b\u6d41\u7f8e\u570b\u652f\u4ed8\u9598\u9053<\/li>\n<li>\u91dd\u5c0d\u4e3b\u8981\u7f8e\u570b\u884c\u52d5\u904b\u71df\u5546\u6700\u4f73\u5316<\/li>\n<\/ul>\n<h2>9. 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