{"id":195,"date":"2020-09-30T16:47:03","date_gmt":"2020-09-30T08:47:03","guid":{"rendered":"http:\/\/ones.software\/blog\/?p=195"},"modified":"2023-06-02T11:07:18","modified_gmt":"2023-06-02T03:07:18","slug":"web-dev-2020-003","status":"publish","type":"post","link":"https:\/\/ones.software\/blog\/zh\/web-dev-2020-003\/","title":{"rendered":"\u5982\u4f55\u4ee4\u5230\u7db2\u7ad9\u66f4\u5feb\u66f4\u5438\u5f15\uff1f(\u4e09)"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_34 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u5167\u5bb9\u76ee\u9304<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"\u5167\u5bb9\u76ee\u9304\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1'><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ones.software\/blog\/zh\/web-dev-2020-003\/#Google_%E7%B6%93%E5%B8%B8%E6%9B%B4%E6%96%B0%E7%B6%B2%E7%AB%99%E6%80%A7%E8%83%BD%E7%9A%84%E6%8C%87%E6%A8%99%E5%92%8C%E5%B7%A5%E5%85%B7%EF%BC%8C%E5%8B%99%E6%B1%82%E5%9C%A8%E8%A1%A1%E9%87%8F%E7%B6%B2%E7%AB%99%E6%96%B9%E9%9D%A2%E7%9A%84%E7%94%A8%E6%88%B6%E9%AB%94%E9%A9%97%E8%88%87%E6%99%82%E4%B8%A6%E9%80%B2%E3%80%82%E9%82%A3%E8%AE%93%E6%88%91%E5%80%91%E4%BE%86%E7%9C%8B%E7%9C%8B%E4%BB%8A%E5%B9%B4Google_%E6%8F%90%E5%87%BA%E7%9A%84%E7%B6%B2%E7%AB%99%E6%80%A7%E8%83%BD%E5%9F%BA%E6%BA%96%E5%85%B6%E4%B8%AD%E4%B9%8B%E4%B8%80%EF%BC%9ACLS%E2%80%8A-%E2%80%8ACumulative_Layout_Shift_%E7%B4%AF%E8%A8%88%E7%89%88%E9%9D%A2%E9%85%8D%E7%BD%AE%E8%BD%89%E7%A7%BB%E3%80%82\" title=\"Google \u7d93\u5e38\u66f4\u65b0\u7db2\u7ad9\u6027\u80fd\u7684\u6307\u6a19\u548c\u5de5\u5177\uff0c\u52d9\u6c42\u5728\u8861\u91cf\u7db2\u7ad9\u65b9\u9762\u7684\u7528\u6236\u9ad4\u9a57\u8207\u6642\u4e26\u9032\u3002\u90a3\u8b93\u6211\u5011\u4f86\u770b\u770b\u4eca\u5e74Google \u63d0\u51fa\u7684\u7db2\u7ad9\u6027\u80fd\u57fa\u6e96\u5176\u4e2d\u4e4b\u4e00\uff1aCLS\u200a\u2014\u200aCumulative Layout Shift \u7d2f\u8a08\u7248\u9762\u914d\u7f6e\u8f49\u79fb\u3002\">Google \u7d93\u5e38\u66f4\u65b0\u7db2\u7ad9\u6027\u80fd\u7684\u6307\u6a19\u548c\u5de5\u5177\uff0c\u52d9\u6c42\u5728\u8861\u91cf\u7db2\u7ad9\u65b9\u9762\u7684\u7528\u6236\u9ad4\u9a57\u8207\u6642\u4e26\u9032\u3002\u90a3\u8b93\u6211\u5011\u4f86\u770b\u770b\u4eca\u5e74Google \u63d0\u51fa\u7684\u7db2\u7ad9\u6027\u80fd\u57fa\u6e96\u5176\u4e2d\u4e4b\u4e00\uff1aCLS\u200a\u2014\u200aCumulative Layout Shift \u7d2f\u8a08\u7248\u9762\u914d\u7f6e\u8f49\u79fb\u3002<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ones.software\/blog\/zh\/web-dev-2020-003\/#%E4%BB%80%E9%BA%BC%E6%98%AFCumulative_Layout_Shift%EF%BC%9F\" title=\"\u4ec0\u9ebc\u662fCumulative Layout&nbsp;Shift\uff1f\">\u4ec0\u9ebc\u662fCumulative Layout&nbsp;Shift\uff1f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ones.software\/blog\/zh\/web-dev-2020-003\/#%E5%A6%82%E4%BD%95%E6%94%B9%E5%96%84%E7%B4%AF%E7%A9%8D%E7%89%88%E9%9D%A2%E9%85%8D%E7%BD%AE%E8%BD%89%E7%A7%BB\" title=\"\u5982\u4f55\u6539\u5584\u7d2f\u7a4d\u7248\u9762\u914d\u7f6e\u8f49\u79fb\">\u5982\u4f55\u6539\u5584\u7d2f\u7a4d\u7248\u9762\u914d\u7f6e\u8f49\u79fb<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ones.software\/blog\/zh\/web-dev-2020-003\/#Field_tools\" title=\"Field tools\">Field tools<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ones.software\/blog\/zh\/web-dev-2020-003\/#Lab_tools\" title=\"Lab tools\">Lab tools<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h4><span class=\"ez-toc-section\" id=\"Google_%E7%B6%93%E5%B8%B8%E6%9B%B4%E6%96%B0%E7%B6%B2%E7%AB%99%E6%80%A7%E8%83%BD%E7%9A%84%E6%8C%87%E6%A8%99%E5%92%8C%E5%B7%A5%E5%85%B7%EF%BC%8C%E5%8B%99%E6%B1%82%E5%9C%A8%E8%A1%A1%E9%87%8F%E7%B6%B2%E7%AB%99%E6%96%B9%E9%9D%A2%E7%9A%84%E7%94%A8%E6%88%B6%E9%AB%94%E9%A9%97%E8%88%87%E6%99%82%E4%B8%A6%E9%80%B2%E3%80%82%E9%82%A3%E8%AE%93%E6%88%91%E5%80%91%E4%BE%86%E7%9C%8B%E7%9C%8B%E4%BB%8A%E5%B9%B4Google_%E6%8F%90%E5%87%BA%E7%9A%84%E7%B6%B2%E7%AB%99%E6%80%A7%E8%83%BD%E5%9F%BA%E6%BA%96%E5%85%B6%E4%B8%AD%E4%B9%8B%E4%B8%80%EF%BC%9ACLS%E2%80%8A-%E2%80%8ACumulative_Layout_Shift_%E7%B4%AF%E8%A8%88%E7%89%88%E9%9D%A2%E9%85%8D%E7%BD%AE%E8%BD%89%E7%A7%BB%E3%80%82\"><\/span>Google \u7d93\u5e38\u66f4\u65b0\u7db2\u7ad9\u6027\u80fd\u7684\u6307\u6a19\u548c\u5de5\u5177\uff0c\u52d9\u6c42\u5728\u8861\u91cf\u7db2\u7ad9\u65b9\u9762\u7684\u7528\u6236\u9ad4\u9a57\u8207\u6642\u4e26\u9032\u3002\u90a3\u8b93\u6211\u5011\u4f86\u770b\u770b\u4eca\u5e74Google \u63d0\u51fa\u7684\u7db2\u7ad9\u6027\u80fd\u57fa\u6e96\u5176\u4e2d\u4e4b\u4e00\uff1aCLS\u200a\u2014\u200aCumulative Layout Shift \u7d2f\u8a08\u7248\u9762\u914d\u7f6e\u8f49\u79fb\u3002<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u4e4b\u524d\u6211\u5011\u5df2\u7d93\u4ecb\u7d39\u5169\u500b\u4eca\u5e74Google \u65b0\u63d0\u51fa\u7684\u7db2\u7ad9\u6027\u80fd\u57fa\u6e96\uff0c <a href=\"https:\/\/ones.software\/blog\/index.php\/2020\/07\/12\/web-dev-2020-001\/\" rel=\"noreferrer noopener\" target=\"_blank\">Largest Contentful Paint \u6700\u5927\u5167\u5bb9\u7e6a\u88fd<\/a>\uff0c\u548c <a href=\"https:\/\/ones.software\/blog\/index.php\/2020\/09\/11\/web-dev-2020-002\/\" rel=\"noreferrer noopener\" target=\"_blank\">First Input Delay \u9996\u6b21\u8f38\u5165\u5ef6\u9072<\/a>\u3002\u9019\u6b21\u5c31\u770b\u770b Cumulative Layout Shift 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Cumulative Layout Shift \u5c31\u80fd\u5920\u89e3\u6c7a\u9019\u500b\u554f\u984c\u3002<\/p>\n\n\n\n<h4><span class=\"ez-toc-section\" id=\"%E4%BB%80%E9%BA%BC%E6%98%AFCumulative_Layout_Shift%EF%BC%9F\"><\/span>\u4ec0\u9ebc\u662fCumulative Layout&nbsp;Shift\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u7d2f\u8a08\u7248\u9762\u914d\u7f6e\u8f49\u79fb\u662f\u6e2c\u91cf\u5728\u9801\u9762\u7684\u6574\u500b\u751f\u547d\u9031\u671f\u4e2d\uff0c\u767c\u751f\u7684\u6bcf\u500b\u610f\u5916\u7248\u9762\u914d\u7f6e\u8f49\u79fb\u5176\u6240\u6709\u55ae\u500b\u4f48\u5c40\u8f49\u79fb\u5206\u6578\u7684\u7e3d\u548c\u3002\u6bcf\u7576\u53ef\u898b\u5143\u7d20\u5c07\u5176\u4f4d\u7f6e\u5f9e\u4e00\u500b\u6e32\u67d3\u5e40\u66f4\u6539\u70ba\u4e0b\u4e00\u5e40\u6642\uff0c\u90fd\u6703\u767c\u751f\u7248\u9762\u914d\u7f6e\u504f\u79fb\u3002\u9019\u4e9b\u5143\u7d20\u5305\u62ec\uff1a\u5b57\u9ad4\u3001\u5716\u50cf\u3001\u5f71\u7247\u3001\u806f\u7e6b\u8868\u55ae\u6216\u662f\u6309\u9215\u7b49\uff0c\u800cCLS\u6240\u986f\u793a\u7684\u6578\u5b57\u81ea\u7136\u8d8a\u5c0f\u8d8a\u597d\u3002<\/p>\n\n\n\n<p>\u6839\u64daGoogle\u5b98\u65b9\u8aaa\u6cd5\uff0c\u767c\u751f\u7d2f\u8a08\u7248\u9762\u914d\u7f6e\u8f49\u79fb\u7684\u539f\u56e0\u6709\u4e94\u500b\uff1a<\/p>\n\n\n\n<ol><li>\u7f3a\u5c11\u5c3a\u5bf8\u7684\u5716\u7247\/\u5f71\u7247\uff1b<\/li><li>\u7f3a\u5c11\u5c3a\u5bf8\u7684\u5ee3\u544a\u3001\u5167\u5d4c\u5143\u4ef6\uff08embed\uff09\u4ee5\u53ca iframe \u5143\u4ef6\uff1b<\/li><li>\u52d5\u614b\u7f6e\u5165\u5167\u5bb9\uff1b<\/li><li>\u9020\u6210 FOIT (Flash Out Invisible Text) \/ FOUT (Flash Out of Style)\u7684\u7db2\u7ad9\u5b57\u9ad4\uff1b<\/li><li>\u66f4\u65b0 DOM \u524d\u7b49\u5f85\u7db2\u8def\u56de\u61c9\u7684\u52d5\u4f5c\uff1b<\/li><\/ol>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"%E5%A6%82%E4%BD%95%E6%94%B9%E5%96%84%E7%B4%AF%E7%A9%8D%E7%89%88%E9%9D%A2%E9%85%8D%E7%BD%AE%E8%BD%89%E7%A7%BB\"><\/span>\u5982\u4f55\u6539\u5584\u7d2f\u7a4d\u7248\u9762\u914d\u7f6e\u8f49\u79fb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5c0d\u65bc\u5927\u591a\u6578\u7db2\u7ad9\u800c\u8a00\uff0c\u8ddf\u5f9e\u4ee5\u4e0b\u6307\u5f15\uff0c\u5c31\u53ef\u4ee5\u907f\u514d\u975e\u9810\u671f\u7684\u7248\u9762\u8f49\u79fb\uff1a<\/p>\n\n\n\n<ol><li>\u78ba\u4fdd\u5728\u6240\u6709\u7684\u5716\u7247\u3001\u5f71\u7247\u5143\u4ef6\u4e0a\u4f7f\u7528\u5c3a\u5bf8\u5c6c\u6027\uff0c\u9810\u7559\u8a72\u5143\u4ef6\u6240\u9700\u8981\u7684\u7a7a\u9593<strong>\u3002<\/strong>\u9019\u500b\u65b9\u5f0f\u80fd\u5920\u78ba\u4fdd\u7576\u5716\u7247\u3001\u5f71\u7247\u9084\u5728\u4e0b\u8f09\u6642\uff0c\u700f\u89bd\u5668\u53ef\u4ee5\u9810\u5148\u5206\u914d\u6b63\u78ba\u7684\u7a7a\u9593\u5927\u5c0f\uff1b<\/li><li>\u4e0d\u8981\u5728\u65e2\u6709\u5167\u5bb9\u4e0a\u518d\u7f6e\u5165\u5167\u5bb9\uff0c\u9664\u975e\u90a3\u662f\u70ba\u4e86\u56de\u61c9\u4f7f\u7528\u8005\u7684\u4e92\u52d5<strong>\u3002<\/strong>\u9019\u53ef\u4ee5\u78ba\u4fdd\u7248\u9762\u914d\u7f6e\u8f49\u79fb\u662f\u5728\u9810\u671f\u4e4b\u5167\u767c\u751f\u7684\uff1b<\/li><li>\u76e1\u91cf\u907f\u514d\u5c07\u5ee3\u544a\u653e\u7f6e\u5728\u9801\u9762\u9802\u90e8\u9644\u8fd1\uff0c\u4ee5\u514d\u7d55\u5927\u90e8\u5206\u7684\u7db2\u9801\u5167\u5bb9\u6703\u56e0\u70ba\u5ee3\u544a\u7684\u5927\u5c0f\u6539\u8b8a\u5c0e\u81f4\u79fb\u4f4d\uff1b<\/li><\/ol>\n\n\n\n<p>\u4e26\u975e\u6240\u6709\u7684\u7248\u9762\u8f49\u79fb\u90fd\u662f\u58de\u7684\uff0c\u5982\u679c\u6e90\u81ea\u4f7f\u7528\u8005\u4e92\u52d5\uff08\u9ede\u64ca\u9023\u7d50\u3001\u6309\u4e0b\u6309\u9215\u3001\u6253\u5b57\u9032\u641c\u5c0b\u6b04\u4f4d\uff09\uff0c\u9019\u662f\u53cd\u800c\u662f\u6b63\u5e38\u4e0d\u904e\u7684\u7db2\u9801\u7279\u6027\u3002\u552f\u7368\u662f\u975e\u4f7f\u7528\u8005\u9810\u671f\u7684\u8f49\u79fb\uff0c\u624d\u6703\u6b78\u985e\u5728\u4e0d\u597d\u7684\u9801\u9762\u9ad4\u9a57\u3002\u53ea\u8981\u7db2\u9801\u8a2d\u8a08\u8005\u975e\u5e38\u6e05\u695a\u5728\u8f49\u79fb\u767c\u751f\u662f\u8207\u4f7f\u7528\u8005\u7684\u4e92\u52d5\u6709\u95dc\uff0cCLS\u7684\u90e8\u5206\u5c31\u80fd\u505a\u597d\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u6aa2\u6e2c\u5be6\u969b\u74b0\u5883\u548c\u6e2c\u8a66\u74b0\u5883CLS\u7684\u5de5\u5177\uff0c\u6709\u4ee5\u4e0b\u5e7e\u500b\uff1a<\/p>\n\n\n\n<h4><span class=\"ez-toc-section\" id=\"Field_tools\"><\/span>Field tools<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul><li><a href=\"https:\/\/developers.google.com\/web\/tools\/chrome-user-experience-report\" rel=\"noreferrer noopener\" target=\"_blank\">Chrome User Experience Report<\/a><\/li><li><a href=\"https:\/\/developers.google.com\/speed\/pagespeed\/insights\/\" rel=\"noreferrer noopener\" target=\"_blank\">PageSpeed Insights<\/a><\/li><li><a href=\"https:\/\/support.google.com\/webmasters\/answer\/9205520\" rel=\"noreferrer noopener\" target=\"_blank\">Search Console (Core Web Vitals report)<\/a><\/li><\/ul>\n\n\n\n<h4><span class=\"ez-toc-section\" id=\"Lab_tools\"><\/span>Lab tools<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul><li><a href=\"https:\/\/developers.google.com\/web\/tools\/chrome-devtools\/\" rel=\"noreferrer noopener\" target=\"_blank\">Chrome DevTools<\/a><\/li><li><a href=\"https:\/\/developers.google.com\/web\/tools\/lighthouse\/\" rel=\"noreferrer noopener\" target=\"_blank\">Lighthouse<\/a><\/li><li><a href=\"https:\/\/webpagetest.org\/\" rel=\"noreferrer noopener\" target=\"_blank\">WebPageTest<\/a><\/li><\/ul>\n\n\n\n<p>Ref\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/web.dev\/cls\/\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/web.dev\/optimize-cls\/\n<\/div><\/figure>\n\n\n\n<p> ONEs Software \u5b98\u7db2 \uff1a<a href=\"https:\/\/ones.software\/hk\">https:\/\/ones.software\/hk<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t\u4e4b\u524d\u6211\u5011\u5df2\u7d93\u4ecb\u7d39\u5169\u500b\u4eca\u5e74Google \u65b0\u63d0\u51fa\u7684\u7db2\u7ad9\u6027\u80fd\u57fa\u6e96\uff0c Largest Contentful Paint \u6700\u5927\u5167\u5bb9\u7e6a\u88fd\uff0c\u548c First Input Delay \u9996\u6b21\u8f38\u5165\u5ef6\u9072\u3002\u9019\u6b21\u5c31\u770b\u770b Cumulative Layout Shift \u7d2f\u8a08\u7248\u9762\u914d\u7f6e\u8f49\u79fb\u3002\t\t<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[13],"tags":[31,82,83,84,98,99],"_links":{"self":[{"href":"https:\/\/ones.software\/blog\/zh\/wp-json\/wp\/v2\/posts\/195"}],"collection":[{"href":"https:\/\/ones.software\/blog\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ones.software\/blog\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ones.software\/blog\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ones.software\/blog\/zh\/wp-json\/wp\/v2\/comments?post=195"}],"version-history":[{"count":1,"href":"https:\/\/ones.software\/blog\/zh\/wp-json\/wp\/v2\/posts\/195\/revisions"}],"predecessor-version":[{"id":1198,"href":"https:\/\/ones.software\/blog\/zh\/wp-json\/wp\/v2\/posts\/195\/revisions\/1198"}],"wp:attachment":[{"href":"https:\/\/ones.software\/blog\/zh\/wp-json\/wp\/v2\/media?parent=195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ones.software\/blog\/zh\/wp-json\/wp\/v2\/categories?post=195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ones.software\/blog\/zh\/wp-json\/wp\/v2\/tags?post=195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}