{"id":56884,"date":"2018-02-01T10:00:42","date_gmt":"2018-02-01T01:00:42","guid":{"rendered":"https:\/\/codeiq.jp\/magazine\/?p=56884"},"modified":"2018-10-11T11:16:08","modified_gmt":"2018-10-11T02:16:08","slug":"20180201_t21_iq","status":"publish","type":"post","link":"https:\/\/next.rikunabi.com\/journal\/20180201_t21_iq\/","title":{"rendered":"\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u3067\u8868\u793a\u3092\u9ad8\u901f\u5316\u3055\u305b\u305f\u300c\u65e5\u7d4c\u96fb\u5b50\u7248\u306e\u30da\u30fc\u30b8\u9ad8\u901f\u5316\u3068PWA\u5bfe\u5fdc\u300d\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u821e\u53f0\u88cf"},"content":{"rendered":"<p>Web\u30a2\u30d7\u30ea\u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u30a2\u30d7\u30ea\u3068\u6bd4\u3079\u3066\u30ed\u30fc\u30c9\u304c\u9045\u3044\u3001\u901a\u77e5\u304c\u51fa\u305b\u306a\u3044\u3001\u5b9f\u884c\u304c\u9045\u3044\u3068\u3044\u3063\u305f\u8ab2\u984c\u3092\u6301\u3064\u3002\u3060\u304cProgressive Web App\u3068WebAssembly\u3092\u6d3b\u7528\u3057\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30a2\u30d7\u30ea\u3068\u905c\u8272\u306e\u306a\u3044\u901f\u3055\u3092\u5b9f\u73fe\u3055\u305b\u305f\u30b5\u30a4\u30c8\u3082\u767b\u5834\u3057\u3066\u3044\u308b\u3002<br \/>\nhtml5j Web\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u90e8\u3067\u306f\u4eca\u56de\u300cProgressive Web App\u3068WebAssembly\u300d\u3092\u30c6\u30fc\u30de\u306b\u52c9\u5f37\u4f1a\u3092\u958b\u50ac\u3057\u305f\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u767b\u58c7\u3057\u305f\u306e\u306f\u3001\u65e5\u672c\u7d4c\u6e08\u65b0\u805e\u793e\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u300c<a href=\"https:\/\/r.nikkei.com\/\" rel=\"noopener\" target=\"_blank\">r.nikkei.com<\/a>\u300d\u306e\u30d5\u30ed\u30f3\u30c8\u304a\u3088\u3073\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3092\u62c5\u5f53\u3057\u3066\u3044\u308b\u5b8d\u6238\u4fca\u54c9\u3055\u3093\u3002\u30bb\u30c3\u30b7\u30e7\u30f3\u30bf\u30a4\u30c8\u30eb\u306f\u300c<a href=\"https:\/\/speakerdeck.com\/sisidovski\/nikkei-high-performance-pwa\" rel=\"noopener\" target=\"_blank\">\u65e5\u7d4c\u96fb\u5b50\u7248\u306e\u30da\u30fc\u30b8\u9ad8\u901f\u5316\u3068PWA\u5bfe\u5fdc<\/a>\u300d\u3060\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/DSC08245.jpg\" alt=\"\" width=\"640\" height=\"405\" class=\"alignnone size-full wp-image-67977\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/DSC08245.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/DSC08245-300x190.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" 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Nikkei\u300d\u3068\u3044\u3046\u65e5\u7d4c\u96fb\u5b50\u7248\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3002\u300cr.nikkei.com\u300d\u304b\u3089\u306e\u914d\u4fe1\u306b\u300111\u6708\u306e\u30ea\u30ea\u30fc\u30b9\u3067\u306f\u30e2\u30d0\u30a4\u30eb\u7248\u3068\u4e00\u90e8PC\u30da\u30fc\u30b8\u3092\u7f6e\u304d\u63db\u3048\u305f\u3002\u8868\u793a\u901f\u5ea6\u3082\u5411\u4e0a\u3057\u3001\u65e7\u30e2\u30d0\u30a4\u30eb\u7248\u3068\u6bd4\u8f03\u3057\u3066\u7d042\u500d\u306e\u901f\u5ea6\u3092\u9054\u6210\u3059\u308b\u306a\u3069\u3001\u53cd\u97ff\u3082\u5927\u304d\u304b\u3063\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_2.jpg\" alt=\"\" width=\"640\" height=\"355\" class=\"alignnone size-full wp-image-67970\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_2.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_2-300x166.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" 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Nikkei\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u7acb\u3061\u4e0a\u304c\u3063\u305f\u3002<strong>\u6700\u91cd\u8981KPI\u306f\u30b9\u30d4\u30fc\u30c9\u3067\u3042\u308b<\/strong>\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_3.jpg\" alt=\"\" width=\"640\" height=\"354\" class=\"alignnone size-full wp-image-67971\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_3.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_3-300x166.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>UI\/UX\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u3001PWA\u5316\u306b\u53d6\u308a\u7d44\u3093\u3060\u3002\u5b9f\u969b\u30a4\u30f3\u30d5\u30e9\u3084\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3082\u898b\u76f4\u3057\u3001Fastly\u3084microservieces\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u306b\u3002\u3082\u3061\u308d\u3093\u5185\u88fd\u3067\u884c\u3063\u305f\u3002<\/p>\n<p>r.nikkei.com\u306e\u5185\u90e8\u69cb\u6210\u306f\u3001Fastly + Elastic Beanstalk + Node.js on the container\u306b\u3088\u308b\u69cb\u6210\u3068\u306a\u3063\u3066\u304a\u308a\u300130\u4ee5\u4e0a\u306e\u30b5\u30fc\u30d3\u30b9\u3067\u52d5\u3044\u3066\u3044\u308b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_1.jpg\" alt=\"\" width=\"640\" height=\"357\" class=\"alignnone size-full wp-image-67972\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_1.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_1-300x167.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<div id=\"custom_html-20\"  data-animation-event=\"enters\"  class=\"widget_text widget widget-container widget_custom_html\"><div class=\"textwidget custom-html-widget\"><div class=\"tk_jobsearch\">\n<div class=\"tk_jobsearch_button\">\n<p class=\"single-button-lead\">8,568\u901a\u308a\u3001\u3042\u306a\u305f\u306f\u3069\u306e\u30bf\u30a4\u30d7\uff1f<\/p>\n<p class=\"single-button-link\"><a href=\"https:\/\/next.rikunabi.com\/journal\/goodpoint-shindan\/?cminr=rnnj-goodpoint-secondbutton\" rel=\"noopener noreferrer\">\u30b0\u30c3\u30c9\u30dd\u30a4\u30f3\u30c8\u8a3a\u65ad<\/a><\/p>\n<\/div>\n<\/div>\n<\/div><\/div><h2>\u30da\u30fc\u30b8\u306e\u9ad8\u901f\u5316\u306e\u305f\u3081\u306e\u624b\u6cd5<\/h2>\n<p>r.nikkei.com\u306fFastly\u3067\u52d5\u7684\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3082CDN\u7d4c\u7531\u3067\u914d\u4fe1\u3002VCL\u3067\u67d4\u8edf\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5236\u5fa1\u3057\u3001HTTP\/2\u306e\u5229\u7528\u3001\u30b5\u30d6\u30ea\u30bd\u30fc\u30b9\u306e\u5727\u7e2e\u3001\u753b\u50cf\u914d\u4fe1\u3092\u6700\u9069\u5316\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u30da\u30fc\u30b8\u9ad8\u901f\u5316\u3092\u3069\u3046\u9032\u3081\u3066\u3044\u3063\u305f\u306e\u304b\u3002<\/p>\n<p>Fastly\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u6226\u7565\u3068\u3057\u3066\u306f\u3001Cache-Control\u3001Surrogate-Control\u306e\u8a2d\u5b9a\u3001\u8a8d\u8a3ccookie\u306edecode\u3001Feature Flags\u306e\u6b63\u898f\u5316\uff08Preflight\uff09\u306a\u3069\u3002\u8a73\u3057\u304f\u306f\u300c<a href=\"https:\/\/speakerdeck.com\/ryysd\/microservices-on-fastly\" rel=\"noopener\" target=\"_blank\">Microservices on Fastly by Ryo yasuda<\/a>\u300d\u3092\u898b\u3066\u307b\u3057\u3044\u304c\u3001\u3053\u306e\u7d50\u679c\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30d2\u30c3\u30c8\u7387\u306f\u7d0490\uff05\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u3063\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_4.jpg\" alt=\"\" width=\"640\" height=\"357\" class=\"alignnone size-full wp-image-67973\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_4.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_4-300x167.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>HTTP\/2\u306b\u95a2\u3057\u3066\u3082Fastly\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3002\u30c9\u30e1\u30a4\u30f3\u306e\u540c\u6642\u63a5\u7d9a\u6570\u3092\u6c17\u306b\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\u3053\u3068\u3084\u3001\u30d0\u30a4\u30ca\u30ea\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u3088\u308b\u9ad8\u901f\u5316\u3068\u3044\u3063\u305fHTTP\/2\u306e\u6069\u6075\u306b\u52a0\u3048\u3001Server Push\u3082\u5229\u7528\u3057\u3066\u3044\u308b\u3002Server Push\u306f\u3001critical path\u306b\u9069\u7528\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u30ea\u30bd\u30fc\u30b9\u306e\u5727\u7e2e\u3082\u3001\u5727\u7e2e\u3067\u304d\u308b\u3082\u306e\u306f\u3059\u3079\u3066\u5727\u7e2e\u3057\u3066\u3044\u308b\u3002Fastly\u306f\u57fa\u672c\u7684\u306bVanish\u306b\u4e57\u3063\u3066\u3044\u308b\u3082\u306e\u3057\u304b\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u306a\u3044\u304c\u3001H2O\u3092\u4f7f\u3063\u3066\u30aa\u30f3\u30b6\u30d5\u30e9\u30a4\u5727\u7e2e\u3082\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u308b\u3002Fastly\u306b\u5727\u7e2e\u3092\u4efb\u305b\u308b\u3053\u3068\u3067\u3001\u30aa\u30ea\u30b8\u30f3\u306eCPU\u30ea\u30bd\u30fc\u30b9\u3092\u7bc0\u7d04\u3067\u304d\u308b\u3002<\/p>\n<p>\u753b\u50cf\u914d\u4fe1\u306fSaaS\u306eimgix\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3002\u5185\u88fd\u3067\u4f5c\u3063\u3066\u3044\u305f\u753b\u50cf\u5909\u63db\u30b5\u30fc\u30d0\u304b\u3089\u4e57\u308a\u63db\u3048\u305f\u3002HTTP API\u3067\u9854\u8a8d\u8b58\u3001\u30af\u30ed\u30c3\u30d7\u3001\u30ea\u30b5\u30a4\u30ba\u306a\u3069\u304c\u67d4\u8edf\u306b\u3067\u304d\u308b\u307b\u304b\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u5236\u5fa1\u3082\u884c\u3063\u3066\u304f\u308c\u308b\u3002\u30a8\u30c3\u30b8\u30b5\u30a4\u30c9\u3067\u6700\u9069\u5316\u3092\u3057\u305f\u7d50\u679c\u3001\u9ad8\u3044\u30ad\u30e3\u30c3\u30b7\u30e5\u30d2\u30c3\u30c8\u7387\u3001\u30aa\u30ea\u30b8\u30f3\u30b5\u30fc\u30d0\u306e\u30ea\u30bd\u30fc\u30b9\u524a\u6e1b\u304c\u5b9f\u73fe\u3057\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_5.jpg\" alt=\"\" width=\"640\" height=\"359\" class=\"alignnone size-full wp-image-67974\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_5.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_5-300x168.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u7d9a\u3044\u3066\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u6700\u9069\u5316\u306b\u3064\u3044\u3066\u3002\u9ad8\u901f\u5316\u306e\u305f\u3081\u306b\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u3059\u3079\u304d\u3053\u3068\u306f\u3001\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u5b9f\u65bd\u3067\u3042\u308b\u3002\u3064\u307e\u308a\u30a2\u30bb\u30c3\u30c8\u306e\u518d\u5229\u7528\u3001\u30b5\u30d6\u30ea\u30bd\u30fc\u30b9\u306e\u975e\u540c\u671f\u8aad\u307f\u8fbc\u307f\u3001Responsive Image\u3001lazy loading\u3001Resource Hints\u3092\u4f7f\u3063\u3066\u4e8b\u524d\u306b\u8aad\u307f\u8fbc\u3093\u3060\u308a\u3059\u308b\u3053\u3068\u3060\u3002<\/p>\n<p>\u307e\u305a\u306f<strong>Cache-Control<\/strong>\u3002\u9759\u7684\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u30bb\u30aa\u30ea\u30fc\u901a\u308ahash string + max-age\u3092\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u30b5\u30fc\u30d0\u3078\u306e\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3048\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3002\u30ea\u30ed\u30fc\u30c9\u3078\u306e\u5bfe\u7b56\u3068\u3057\u3066immutable\u3092\u3064\u3051\u308b\u3002<\/p>\n<p>\u6b21\u306b<strong>UI\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4f5c\u6210<\/strong>\u3002NIKKEI UI\u3068\u8a00\u3046\u30b3\u30f3\u30dd\u30fc\u30c8\u6307\u5411\u306e\u30b9\u30bf\u30a4\u30eb\u30ac\u30a4\u30c9\u3092\u4f5c\u6210\u3057\u3001\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u306e\u958b\u767a\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3001\u30b9\u30bf\u30a4\u30eb\u5b9a\u7fa9\u306e\u91cd\u8907\u524a\u6e1b\u3001UI\/UX\u306e\u4e00\u8cab\u6027\u306e\u62c5\u4fdd\u3092\u5b9f\u73fe\u3057\u305f\u3002<\/p>\n<p>\u7b2c\u4e09\u306f<strong>Resource Hints\u306e\u5229\u7528<\/strong>\u3002dns-prefetch\u3001preconnect\u3001prefetch\u3001prerender\u3068\u3044\u3046\u5fc5\u8981\u3068\u306a\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u6295\u6a5f\u7684\u306a\u53d6\u5f97\u3092\u884c\u3046\u3002<\/p>\n<p>r.nikkei.com\u3067\u306fdns-prefetch\u3001prefetch\u3001prerender\u3092\u5229\u7528\u3057\u3001\u5e83\u544a\u306a\u3069\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30c9\u30e1\u30a4\u30f3\u306fdns-prefetch\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u671d\u5915\u520a\u30da\u30fc\u30b8\u306fprefetch\u306e\u5229\u7528\u3060\u3002\u671d\u5915\u520a\u30da\u30fc\u30b8\u3068\u306f\u7d19\u306e\u65b0\u805e\u3068\u540c\u3058\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8f09\u305b\u3066\u3044\u308b\u30da\u30fc\u30b8\u3002\u9759\u7684\u30da\u30fc\u30b8\u306e\u305f\u3081\u3001prefetch\u3092\u4f7f\u3063\u3066\u3044\u308b\u3002200ms\u304b\u308920ms\u3067\u8fd4\u305b\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_6.jpg\" alt=\"\" width=\"640\" height=\"352\" class=\"alignnone size-full wp-image-67975\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_6.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_6-300x165.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u307e\u305f\u52d5\u7684\u306bprerender\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u3002\u30de\u30a6\u30b9\u30ab\u30fc\u30bd\u30eb\u304c\u30a2\u30a4\u30b3\u30f3\u306b\u8f09\u3063\u305f\u3089\u3001link\u30bf\u30b0\u3092\u633f\u5165\u3059\u308b\u3002\u3053\u308c\u306fChrome58\u304b\u3089\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u4eca\u306f\u52d5\u3044\u3066\u3044\u306a\u3044\u3002<\/p>\n<p>Resource Hints\u5bfe\u5fdc\u72b6\u6cc1\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u3063\u3066\u307e\u3061\u307e\u3061\u3060\u3002IE\u3084Safari\u306e\u5834\u5408\u306f\u3001dns-prehetch\u3057\u304b\u73fe\u72b6\u9078\u629e\u80a2\u304c\u306a\u3044\u3002\u30d6\u30e9\u30a6\u30b6\u304c\u672a\u30b5\u30dd\u30fc\u30c8\u3067\u3082\u52d5\u4f5c\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044\u306e\u3067\u63a1\u7528\u3057\u3084\u3059\u3044\u3002\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3060\u3002<\/p>\n<p>\u7d9a\u3044\u3066Framework\u3084SPA\u306b\u3064\u3044\u3066\u3002\u30d5\u30ed\u30f3\u30c8\u3060\u3068Framework\u3092\u4f7f\u3046\u306e\u304c\u524d\u63d0\u306b\u306a\u3063\u3066\u3044\u308b\u304c\u3001r.nikkei.com\u3067\u306fFramework\u306f\u4f7f\u3063\u3066\u3044\u306a\u3044\u3002<\/p>\n<p>\u305d\u306e\u7406\u7531\u306fWeb\u6a19\u6e96\u306e\u666e\u53ca\u3084Polyfill\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001Framework\u306e\u30ed\u30c3\u30af\u30a4\u30f3\u3092\u907f\u3051\u3064\u3064\u30e2\u30c0\u30f3\u306a\u958b\u767a\u304c\u5341\u5206\u306b\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u3084\u3001\u7121\u99c4\u306a\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u5897\u5927\u3092\u9632\u3052\u308b\u3068\u3044\u3046\u3053\u3068\u3002<\/p>\n<p>\u307e\u305f\u3001SPA\u306f\u4e00\u822c\u7684\u306b\u72b6\u614b\u7ba1\u7406\u304c\u96e3\u3057\u304f\u3001\u9577\u671f\u7684\u306b\u898b\u308b\u3068\u4fdd\u5b88\u6027\u306b\u554f\u984c\u304c\u751f\u3058\u308b\u61f8\u5ff5\u304c\u3042\u3063\u305f\u304b\u3089\u3060\u3002SSR\u3001TTI\uff08Time To Interactive\uff09\u306e\u554f\u984c\u3082\u3042\u308a\u3001\u4e00\u90e8\u30da\u30fc\u30b8\u3092\u9664\u304d\u975eSPA\u3067\u5b9f\u88c5\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306f\u3069\u3046\u3057\u3066\u3044\u308b\u306e\u304b\u3002\u3053\u308c\u306b\u306fSpeedcurve\u3067\u3001\u65e7\u30d7\u30ed\u30c0\u30af\u30c8\u3084\u7af6\u5408\u30b5\u30fc\u30d3\u30b9\u3068\u6bd4\u8f03\u3002\u5404\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6307\u6a19\u3092\u53ef\u8996\u5316\u3067\u304d\u308b\u306e\u3067\u3001\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306e\u8abf\u67fb\u304c\u3067\u304d\u308b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_7.jpg\" alt=\"\" width=\"640\" height=\"353\" class=\"alignnone size-full wp-image-67976\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_7.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/02\/sisidovski_7-300x165.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>Performance Burget\u306e\u30c1\u30a7\u30c3\u30af\u3082Speedcurve\u3067\u884c\u3063\u3066\u3044\u308b\u3002\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e\u5dee\u5206\u30c1\u30a7\u30c3\u30af\u306f\u81ea\u524d\u306e\u30c4\u30fc\u30eb\u3067\u5b9f\u65bd\u3057\u3066\u304a\u308a\u3001\u5909\u66f4\u5f8c\u306eCSS\uff0fJS\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092Pull Requeset\u306b\u901a\u77e5\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u81ea\u5206\u306e\u5909\u66f4\u304c\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306b\u3069\u3046\u5f71\u97ff\u3059\u308b\u306e\u304b\u4e8b\u524d\u306b\u308f\u304b\u308b\u3002<\/p>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30fb\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3067\u306f\u6b21\u306e\u3088\u3046\u306a\u8ab2\u984c\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li>Push Cache\u7b49\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u5468\u308a\u6700\u9069\u5316<\/li>\n<li>Code Splitting<\/li>\n<li>DOM\u304c\u8907\u96d1\u306b\u306a\u308a\u3059\u304e\u308b\u554f\u984c<\/li>\n<li>Performance Budget\u306e\u57fa\u6e96\u304c\u4e0d\u660e\u77ad<\/li>\n<li>RUM\u3092\u4f7f\u3063\u305f\u8a08\u6e2c\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u5b9f\u969b\u306e\u30e9\u30f3\u30bf\u30a4\u30e0\u306e\u52d5\u304d\u306f\u7d30\u304b\u304f\u628a\u63e1\u3067\u304d\u3066\u3044\u306a\u3044\u3002<\/li>\n<\/ul>\n<div id=\"custom_html-21\"  data-animation-event=\"enters\"  class=\"widget_text widget widget-container widget_custom_html\"><div class=\"textwidget custom-html-widget\"><div class=\"tk_jobsearch\">\n<div class=\"tk_jobsearch_button\">\n<p class=\"single-button-lead\">8,568\u901a\u308a\u3001\u3042\u306a\u305f\u306f\u3069\u306e\u30bf\u30a4\u30d7\uff1f<\/p>\n<p class=\"single-button-link\"><a href=\"https:\/\/next.rikunabi.com\/journal\/goodpoint-shindan\/?cminr=rnnj-goodpoint-thirdbutton\" rel=\"noopener noreferrer\">\u30b0\u30c3\u30c9\u30dd\u30a4\u30f3\u30c8\u8a3a\u65ad<\/a><\/p>\n<\/div>\n<\/div>\n<\/div><\/div><h2>Service Worker\u3067\u3067\u304d\u308b\u3053\u3068\u3068\u4eca\u5f8c\u306e\u8ab2\u984c<\/h2>\n<p>\u9ad8\u901f\u5316\u5bfe\u5fdc\u306b\u5f15\u304d\u7d9a\u304dPWA\u5316\u306b\u3064\u3044\u3066\u3002PWA\u306fService Worker\u304c\u5fc5\u9808\u3060\u304c\u3001\u521d\u671fr.nikkei.com\u306b\u304a\u3044\u3066\u306f\u3001\u6709\u6599\u4f1a\u54e1\u306b\u3082paywall\u304c\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3063\u305f\u308a\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u305f\u30da\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u3068\u3001\u30d0\u30b0\u3060\u3089\u3051\u3060\u3063\u305f\u3002\u4f55\u304c\u3044\u3051\u306a\u304b\u3063\u305f\u306e\u304b\u3002<\/p>\n<p>CI\u3067\u306e\u30c6\u30b9\u30c8\u304c\u306a\u304f\u3001\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u4ee5\u5916\u306b\u672c\u756a\u74b0\u5883\u76f8\u5f53\u3067\u691c\u8a3c\u3059\u308b\u624b\u6bb5\u304c\u306a\u304b\u3063\u305f\u306e\u3060\u3002\u3067\u306f\u3069\u3046\u3084\u3063\u3066Service Worker\u306e\u30c6\u30b9\u30c8\u3092\u3059\u308c\u3070\u3088\u3044\u306e\u304b\u3002<\/p>\n<p>\u305d\u306e\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u306f\u5b9f\u969b\u306b\u30d6\u30e9\u30a6\u30b6\u3092\u7acb\u3061\u4e0a\u3052\u3066\u30c6\u30b9\u30c8\u3057\u3001\u5b9f\u884c\u74b0\u5883\u3092\u30e2\u30c3\u30af\u5316\u3059\u308b\u3053\u3068\u3060\u3002r.nikkei.com\u3067\u306f\u73fe\u72b6Selenium\u3092\u4f7f\u3063\u305f\u30c6\u30b9\u30c8\u3092CI\u306b\u7d44\u307f\u8fbc\u3093\u3067\u3044\u308b\u3002<\/p>\n<p>\u307e\u3060\u5b9f\u88c5\u3067\u304d\u3066\u3044\u306a\u3044\u304c\u3001Feature 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target=\"_blank\">\u8d85\u901f\uff01Web\u30da\u30fc\u30b8\u901f\u5ea6\u6539\u5584\u30ac\u30a4\u30c9<\/a>\u300d\u306b\u307b\u307c\u66f8\u304b\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>PWA\u3084WASM\u306b\u95a2\u5fc3\u306e\u3042\u308b\u4eba\u306f\u3001\u4eca\u56de\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u53c2\u8003\u306b\u305c\u3072\u30c1\u30e3\u30ec\u30f3\u30b8\u3057\u3066\u307b\u3057\u3044\u3002\u3088\u308a\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u4f7f\u3044\u3084\u3059\u3044\u30da\u30fc\u30b8\u304c\u3067\u304d\u308b\u306f\u305a\u3060\u3002<\/p>\n<h2>\u95a2\u9023\u30da\u30fc\u30b8<\/h2>\n<ul>\n<li><a href=\"https:\/\/html5j-webplat.connpass.com\/event\/74013\/\" rel=\"noopener\" target=\"_blank\">html5j Web\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u90e8 \u7b2c19\u56de\u52c9\u5f37\u4f1a<\/a><\/li>\n<li><a href=\"https:\/\/speakerdeck.com\/sisidovski\/nikkei-high-performance-pwa\" rel=\"noopener\" target=\"_blank\">\u65e5\u7d4c\u96fb\u5b50\u7248 \u30b5\u30a4\u30c8\u9ad8\u901f\u5316\u3068PWA\u5bfe\u5fdc \/ nikkei-high-performance-pwa<\/a><\/li>\n<\/ul>\n<h4>\u30a4\u30d9\u30f3\u30c8\u306e\u69d8\u5b50\u306f\u52d5\u753b\u3067\u3082\u516c\u958b\u4e2d<\/h4>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/QoXNNDKLvSY\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<p><strong><span style=\"font-size: 12px;\">\u203b\u672c\u8a18\u4e8b\u306f\u300cCodeIQ MAGAZINE\u300d\u63b2\u8f09\u306e\u8a18\u4e8b\u3092\u8ee2\u8f09\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Web\u30a2\u30d7\u30ea\u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u30a2\u30d7\u30ea\u3068\u6bd4\u3079\u3066\u30ed\u30fc\u30c9\u304c\u9045\u3044\u3001\u901a\u77e5\u304c\u51fa\u305b\u306a\u3044\u3001\u5b9f\u884c\u304c\u9045\u3044\u3068\u3044\u3063\u305f\u8ab2\u984c\u3092\u6301\u3064\u3002\u3060\u304cProgressive Web App\u3068WebAssembly\u3092\u6d3b\u7528\u3057\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30a2\u30d7\u30ea\u3068&#8230;<\/p>\n","protected":false},"author":21,"featured_media":67969,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[6],"tags":[309,468,674,676,677],"class_list":["post-56884","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-topic","tag-html5jplat","tag-uiux","tag-progressive-web-apps","tag-pwa","tag-service-worker"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ 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