{"id":41,"date":"2021-03-30T17:02:08","date_gmt":"2021-03-30T08:02:08","guid":{"rendered":"http:\/\/jgkkjbjbkvj.s143.coreserver.jp\/wp\/media\/?p=41"},"modified":"2025-09-20T15:11:37","modified_gmt":"2025-09-20T06:11:37","slug":"http2","status":"publish","type":"post","link":"https:\/\/media.value-domain.com\/http2\/","title":{"rendered":"\u65b0\u3057\u3044\u901a\u4fe1\u30d7\u30ed\u30b3\u30c8\u30ebHTTP\/2\u3002\u9ad8\u901f\u5316\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059"},"content":{"rendered":"
Web\u30b5\u30a4\u30c8\u306e\u591a\u69d8\u5316\u3068\u30ea\u30c3\u30c1\u5316\u306b\u4f34\u3044\u3001\u901a\u4fe1\u3084\u8868\u793a\u306e\u9ad8\u901f\u5316\u306e\u5fc5\u8981\u6027\u306e\u9ad8\u307e\u308a\u3092\u80cc\u666f\u306b\u3001HTTP\/2\u306e\u958b\u767a\u304c\u9032\u307f\u307e\u3057\u305f\u3002
\n\u4eca\u56de\u306f\u3001\u9577\u3089\u304f\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e3b\u6d41\u3067\u3042\u3063\u305fHTTP\/1.1\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3055\u305b\u305f\u300cHTTP\/2\u300d<\/span>\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/figure>\n
\"\"<\/figure>\n

HTTP\u30d7\u30ed\u30b3\u30c8\u30eb\u3068\u306f\uff1f<\/span><\/h2>\n

Hypertext Transfer Protocol<\/strong> \u306e\u7565\u3067\u3001\u4e3b\u306bWeb\u30b5\u30a4\u30c8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\uff08HTML\u3084\u753b\u50cf\u306a\u3069\uff09\u306e\u9001\u53d7\u4fe1\u306b\u7528\u3044\u3089\u308c\u308b\u898f\u7d04\uff08\u30eb\u30fc\u30eb\uff09<\/strong>\u3092\u6307\u3057\u307e\u3059\u3002
\n\u73fe\u5728HTTP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f 2 \u3068 1.1 \u306e2\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

HTTP\u901a\u4fe1\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30d6\u30e9\u30a6\u30b6\uff09\u304b\u3089\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u304c\u8fd4\u3059HTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u4e8c\u8005\u9593\u306e\u3084\u308a\u53d6\u308a\u3067\u6210\u308a\u7acb\u3063\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

HTTP\u901a\u4fe1<\/h3>\n
    \n
  • HTTP\u901a\u4fe1\u306f\u5e38\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304b\u3089\u30b9\u30bf\u30fc\u30c8<\/li>\n
  • HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u8fd4\u3059\u3068\u901a\u4fe1\u304c\u6210\u7acb\u30fb\u7d42\u4e86<\/li>\n
  • 1\u3064\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u30571\u3064\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\uff08\u5fc5\u305a\u5bfe\u306b\u306a\u3063\u3066\u3044\u308b\uff09<\/li>\n<\/ul>\n

    HTTP\u306e\u4ed5\u69d8<\/span><\/h2>\n

    HTTP\u30ea\u30af\u30a8\u30b9\u30c8<\/h3>\n

    \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30d6\u30e9\u30a6\u30b6\uff09\u304b\u3089\u30b5\u30fc\u30d0\u30fc\u3078\u69d8\u3005\u306a\u8981\u6c42\u3092\u9001\u308a\u307e\u3059\u3002\u8a73\u7d30\u306a\u8aac\u660e\u306f\u7701\u304d\u307e\u3059\u304c\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u7a2e\u985e\u306b\u3088\u308b\u4ed5\u69d8\u306e\u6c7a\u307e\u308a\u304c\u3042\u308a\u307e\u3059\u3002
    \n\u8d64\u5b57\u304c\u30ea\u30af\u30a8\u30b9\u30c8\u30e1\u30bd\u30c3\u30c9<\/span>\u3084\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u30fc<\/span>\u3068\u547c\u3070\u308c\u308b\u4ed5\u69d8\u90e8\u5206\u3067\u3059\u3002<\/p>\n

    \n\n\n\n\n\n\n
    GET<\/span> \/ index.html HTTP\/2<\/th>\n\u30da\u30fc\u30b8\u306e\u30ea\u30bd\u30fc\u30b9\uff08HTML\uff09\u3092\u6c42\u3081\u308b\u300cGET\u300d\u3084\u3001\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u306e\u9001\u4fe1\u306b\u4f7f\u3046\u300cPOST\u300d\u304c\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n
    Host<\/span>: value-domain.com<\/th>\n\u30ea\u30af\u30a8\u30b9\u30c8\u5148\u306e\u30db\u30b9\u30c8\u306e\u540d\u79f0\uff08\u30c9\u30e1\u30a4\u30f3\u540d\uff09<\/td>\n<\/tr>\n
    User-Agent<\/span>: Mozilla\/5.0<\/th>\n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30d6\u30e9\u30a6\u30b6\u60c5\u5831<\/td>\n<\/tr>\n
    Accept<\/span>: text\/html, application\/xhtml+xml<\/th>\n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u5229\u7528\u3067\u304d\u308b\u30e1\u30c7\u30a3\u30a2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    \u8868\u304c\u898b\u5207\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u307e\u3059<\/span><\/p>\n

    HTTP\u30ec\u30b9\u30dd\u30f3\u30b9<\/h3>\n

    HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u5fdc\u7b54\u3092HTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u542b\u3081\u3066\u8fd4\u3057\u307e\u3059\u3002HTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u4ed5\u69d8\u3082\u6c7a\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \n\n\n\n\n\n
    HTTP\/2 200 OK<\/span><\/th>\n\u30ec\u30b9\u30dd\u30f3\u30b9\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9<\/span>\uff0a<\/sup>\u3067\u7d50\u679c\u3092\u8868\u793a<\/td>\n<\/tr>\n
    Content-type<\/span>: text\/html; charset=UTF-8<\/th>\n\u30ea\u30bd\u30fc\u30b9\u306e\u30e1\u30c7\u30a3\u30a2\u306e\u7a2e\u985e\u3084\u6587\u5b57\u30b3\u30fc\u30c9<\/td>\n<\/tr>\n
    <!DOCTYPE html>
    \n<html lang=\u201dja\u201d> \u2026\u2026<\/th>\n    		\u30ea\u30bd\u30fc\u30b9\uff08HTML\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    \u8868\u304c\u898b\u5207\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u307e\u3059<\/span><\/p>\n

    \uff0a\u30ec\u30b9\u30dd\u30f3\u30b9\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9<\/strong><\/h4>\n

    \u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u306f\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\uff08100\u301c500\u756a\u4ee3\u306e\u6570\u5b57\uff09\u304c\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \n\n\n\n\n\n\n\n\n
    \u30b3\u30fc\u30c9\u756a\u53f7<\/th>\n\u5185\u5bb9<\/th>\n<\/tr>\n
    200<\/th>\n\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6210\u529f<\/td>\n<\/tr>\n
    302<\/th>\nURL\u3092\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/td>\n<\/tr>\n
    404<\/th>\nNot Found\uff08\u30ea\u30af\u30a8\u30b9\u30c8\u3057\u305f\u30da\u30fc\u30b8\u304c\u898b\u3064\u304b\u3089\u306a\u3044\uff09<\/td>\n<\/tr>\n
    500<\/th>\nInternal Server Error\uff08\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u51e6\u7406\u3067\u304d\u306a\u3044\u7b49\uff09<\/td>\n<\/tr>\n
    503<\/th>\nService Unavailable\uff08\u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u304c\u9ad8\u304f\u3066\u7e4b\u304c\u3089\u306a\u3044\u7b49\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    \u8868\u304c\u898b\u5207\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u307e\u3059<\/span><\/p>\n

    404\u3084500\u306e\u6570\u5b57\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3088\u304f\u898b\u304b\u3051\u307e\u3059\u304c\u3001\u3053\u308c\u306fHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3059\u308b\u7d50\u679c\u304c\u30d6\u30e9\u30a6\u30b6\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n

    \"\"<\/p>\n

    \u300cHTTP\/2\u300d\u3068\u300cHTTP\/1.1\u300d\u306e\u9055\u3046\u70b9<\/span><\/span><\/h2>\n

    HTTP\/1.1\u3067\u4f7f\u3063\u3066\u3044\u308bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u30e1\u30bd\u30c3\u30c9\u3084\u30ec\u30b9\u30dd\u30f3\u30b9\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306fHTTP\/2\u3067\u3082\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002HTTP\u901a\u4fe1\u3092\u3055\u3089\u306b\u52b9\u7387\u7684\u306b\u884c\u3046HTTP\/2\u3067\u3059\u304c\u3001\u8ffd\u52a0\u3055\u308c\u305f\u4e3b\u306a\u6a5f\u80fd\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

    \u591a\u91cd\u5316<\/h3>\n

    HTTP\/1.1\u3067\u306f\u30011\u3064\u306eTCP\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u203b1<\/sup>\u30671\u3064\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u51e6\u7406\u3057\u304b\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002HTTP\/2\u306f1\u3064\u306eTCP\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u4e0a\u3067\u8907\u6570\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u591a\u91cd\u3067\u51e6\u7406\u3067\u304d\u308b\u306e\u3067\u3001\u901a\u4fe1\u6642\u9593\u306e\u5927\u5e45\u306a\u77ed\u7e2e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \u203b1\uff1a HTTP\u901a\u4fe1\u3092\u884c\u3046\u969b\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u8981\u6c42\u3092\u884c\u3044\u3001\u30c7\u30fc\u30bf\u901a\u4fe1\u304c\u7d42\u308f\u308b\u3068\u63a5\u7d9a\u3092\u958b\u653e\u3057\u307e\u3059\u3002<\/p>\n

    \u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u4f7f\u3044\u56de\u3059<\/h3>\n

    HTTP\/1.1\u306fHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u3059\u308b\u5ea6\u306bTCP\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u78ba\u7acb\u304c\u5fc5\u8981\u3067\u3059\u3002\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u78ba\u7acb\u306b\u306f\u30d6\u30e9\u30a6\u30b6\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u306e\u3084\u308a\u53d6\u308a\u304c\u767a\u751f\u3059\u308b\u305f\u3081\u3001\u6642\u9593\u3068\u624b\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002HTTP\/2\u306fTCP\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3057\u7d9a\u3051\u3066\u3001\u8907\u6570\u306eHTTP\u901a\u4fe1\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n

    \u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u308b<\/h3>\n

    \u30d6\u30e9\u30a6\u30b6\u5074\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u6642\u306b\u53d7\u4fe1\u30c7\u30fc\u30bf\u306e\u512a\u5148\u5ea6\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u203b2<\/sup>\u304c\u5fc5\u8981\u306aCSS\u306f\u753b\u50cf\u3088\u308a\u512a\u5148\u3055\u308c\u307e\u3059\u3002\u51e6\u7406\u9806\u4f4d\u3092\u4ed8\u3051\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u5074\u3067\u51e6\u7406\u3057\u3066\u3044\u308b\u9593\u306b\u753b\u50cf\u3092\u53d7\u4fe1\u3057\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u5f85\u3061\u6642\u9593\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/p>\n

    \u203b2\uff1a\u8aad\u307f\u8fbc\u3093\u3060CSS\u3092\u4f7f\u3063\u3066\u30d6\u30e9\u30a6\u30b6\u5074\u3067\u30ec\u30a4\u30a2\u30a6\u30c8\u3084\u30c7\u30b6\u30a4\u30f3\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n

    \u30b5\u30fc\u30d0\u30fc\u30d7\u30c3\u30b7\u30e5<\/h3>\n

    HTTP1.1\u3067\u306f\u6700\u521d\u306bHTML\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u53d7\u3051\u53d6\u3063\u3066\u304b\u3089\u3001\u65b0\u305f\u306b\u30da\u30fc\u30b8\u5185\u306b\u30ea\u30f3\u30af\u304c\u8cbc\u3089\u308c\u3066\u3044\u308b\u753b\u50cf\u3084CSS\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u3063\u3066\u3044\u307e\u3057\u305f\u3002
    \nHTTP\/2\u3067\u306fHTML\u306b\u30ea\u30f3\u30af\u304c\u8cbc\u3089\u308c\u3066\u3044\u308b\u753b\u50cf\u3084CSS\u306a\u3069\u306e\u30c7\u30fc\u30bf\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3055\u308c\u308b\u3053\u3068\u3092\u4e88\u60f3\u3057\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u4f75\u305b\u3066\u8fd4\u3059\u30b5\u30fc\u30d0\u30fc\u30d7\u30c3\u30b7\u30e5\u6a5f\u80fd\u304c\u5099\u308f\u308a\u307e\u3057\u305f\u3002<\/p>\n

    \"\"<\/p>\n

    \u300cHTTP\/2\u300d\u306e\u5b9f\u73fe\u306b\u5fc5\u8981\u306a\u6761\u4ef6<\/span><\/h2>\n

    SSL<\/h3>\n

    HTTP\/2\u306f\u901a\u4fe1\u306e\u6697\u53f7\u5316\u304c\u5fc5\u9808\u3067\u3059\u3002
    \n\u6697\u53f7\u5316\u901a\u4fe1\u3092\u884c\u3046\u306b\u306f\u3001SSL\u30b5\u30fc\u30d0\u30fc\u8a3c\u660e\u66f8\u304c\u5fc5\u8981\u3067\u3059\u3002SSL\u5316\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001URL\u306f \u300chttps:\/\/\u300d \u3067\u59cb\u307e\u308a\u307e\u3059\u3002<\/span><\/p>\n

    Web\u30b5\u30fc\u30d0\u30fc\u30bd\u30d5\u30c8<\/h3>\n
    \n\n\n\n\n
    Nginx<\/th>\n1.9.5 \u4ee5\u4e0a<\/td>\n<\/tr>\n
    Apache<\/th>\n2.4.17 \u4ee5\u4e0a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    \u8868\u304c\u898b\u5207\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u307e\u3059<\/span><\/p>\n

    \u30d6\u30e9\u30a6\u30b6<\/h3>\n
    \n\n\n\n\n\n
    Chome<\/th>\n40 \u4ee5\u4e0a<\/td>\n<\/tr>\n
    Internet Explorer<\/th>\n11 \u4ee5\u4e0a<\/td>\n<\/tr>\n
    FireFox<\/th>\n34 \u4ee5\u4e0a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    \u8868\u304c\u898b\u5207\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u307e\u3059<\/span><\/p>\n

    \u300cHTTP\/2\u300d\u901a\u4fe1\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/span><\/h2>\n

    \u4f8b\uff1aChome\u3067\u306e\u78ba\u8a8d\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n