{"id":31321,"date":"2025-11-25T05:22:03","date_gmt":"2025-11-25T05:22:03","guid":{"rendered":"https:\/\/www.dotcom-monitor.com\/blog\/what-is-a-websocket\/"},"modified":"2026-07-16T02:02:28","modified_gmt":"2026-07-16T02:02:28","slug":"what-is-a-websocket","status":"publish","type":"post","link":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/what-is-a-websocket\/","title":{"rendered":"WebSocket\u3068\u306f\uff1f\u30d7\u30ed\u30c8\u30b3\u30eb\u3001API\u3001\u304a\u3088\u3073\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u63a5\u7d9a\u306e\u89e3\u8aac"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignright wp-image-31306\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/what-is-a-websocket.webp\" alt=\"WebSocket\u3068\u306f\uff1f\u30d7\u30ed\u30c8\u30b3\u30eb\u3001API\u3001\u304a\u3088\u3073\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u63a5\u7d9a\u306e\u89e3\u8aac\" width=\"480\" height=\"320\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/what-is-a-websocket.webp 1280w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/what-is-a-websocket-300x200.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/what-is-a-websocket-1024x682.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/what-is-a-websocket-768x512.webp 768w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/p>\n<h2 id='websocket\u3068\u306f'  id=\"boomdevs_1\">WebSocket\u3068\u306f\uff1f<\/h2>\n<p><b>WebSocket<\/b>\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u306a\u3069\uff09\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u3001<b>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u53cc\u65b9\u5411\u901a\u4fe1<\/b>\u3092\u53ef\u80fd\u306b\u3059\u308b\u6700\u65b0\u306e\u30a6\u30a7\u30d6\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001\u3059\u3079\u3066<b>\u5358\u4e00\u306e\u6301\u7d9a\u7684\u306aTCP\u63a5\u7d9a<\/b>\u3092\u901a\u3058\u3066\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u5f93\u6765\u306e<b>HTTP<\/b>\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30b5\u30fc\u30d0\u30fc\u306b\u7e70\u308a\u8fd4\u3057\u66f4\u65b0\u3092\u8981\u6c42\u3059\u308b<b>\u30ea\u30af\u30a8\u30b9\u30c8-\u30ec\u30b9\u30dd\u30f3\u30b9\u30e2\u30c7\u30eb<\/b>\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u306e\u306b\u5bfe\u3057\u3001WebSocket\u306f\u7d99\u7d9a\u7684\u306a\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3001<b>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u53cc\u65b9\u304c\u3044\u3064\u3067\u3082\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u53d7\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059<\/b>\u3002\u3053\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30c7\u30fc\u30bf\u4ea4\u63db\u306b\u3088\u308a\u3001\u30dd\u30fc\u30ea\u30f3\u30b0\u3084\u30da\u30fc\u30b8\u306e\u66f4\u65b0\u306b\u3088\u308b\u9045\u5ef6\u304c\u6392\u9664\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u52b9\u7387\u6027\u3068\u5fdc\u7b54\u6027\u306e\u9ad8\u3055\u304b\u3089\u3001<b>WebSocket\u306f\u30e9\u30a4\u30d6\u30c1\u30e3\u30c3\u30c8\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3001\u30de\u30eb\u30c1\u30d7\u30ec\u30a4\u30e4\u30fc\u30b2\u30fc\u30e0\u3001\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3001\u682a\u5f0f\u5e02\u5834\u30d5\u30a3\u30fc\u30c9<\/b>\u306a\u3069\u3001\u77ac\u6642\u306e\u66f4\u65b0\u3068\u52d5\u7684\u306a\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3092\u5fc5\u8981\u3068\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n<p>\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u958b\u3044\u305f\u307e\u307e\u306b\u3059\u308b\u3053\u3068\u3067\u3001WebSocket\u306f<strong>\u30b7\u30fc\u30e0\u30ec\u30b9\u3067\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3<\/strong>\u3092\u5b9f\u73fe\u3057\u3001<strong>\u9ad8\u901f\u3067\u9b45\u529b\u7684\u3001\u304b\u3064\u9ad8\u5ea6\u306b\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9<\/strong>\u3092\u52a9\u3051\u307e\u3059\u3002\u7279\u306b\u3001\u63a5\u7d9a\u306e\u5065\u5168\u6027\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6d41\u308c\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u4f9d\u5b58\u95a2\u4fc2\u306e\u53ef\u8996\u5316\u3092\u63d0\u4f9b\u3059\u308b\u5f37\u529b\u306a<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/api-monitoring-tool\/\">API\u30aa\u30d6\u30b6\u30fc\u30d0\u30d3\u30ea\u30c6\u30a3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/a>\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n<h2 id='websocket\u306e\u4ed5\u7d44\u307f'  id=\"boomdevs_2\">WebSocket\u306e\u4ed5\u7d44\u307f<\/h2>\n<h3 id='\u63a5\u7d9a\u306e\u78ba\u7acb'  id=\"boomdevs_3\">\u63a5\u7d9a\u306e\u78ba\u7acb<\/h3>\n<p><b>WebSocket\u63a5\u7d9a<\/b>\u306f\u3001<b>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af<\/b>\u3068\u547c\u3070\u308c\u308b\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u901a\u5e38\u306f\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\uff09\u306f\u3001<b>Upgrade\u30d8\u30c3\u30c0\u30fc\u3092&#8221;websocket&#8221;\u306b\u8a2d\u5b9a\u3057\u305fHTTP\u30ea\u30af\u30a8\u30b9\u30c8<\/b>\u3092\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u6a19\u6e96\u306eHTTP\u30d7\u30ed\u30c8\u30b3\u30eb\u304b\u3089<b>WebSocket\u30d7\u30ed\u30c8\u30b3\u30eb<\/b>\u3078\u306e\u5207\u308a\u66ff\u3048\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u306f<b>Connection: Upgrade<\/b>\u30d8\u30c3\u30c0\u30fc\u3082\u542b\u307e\u308c\u3001\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u304cWebSocket\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u5834\u5408\u3001<b>101 Switching Protocols<\/b>\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3068<b>Upgrade: websocket<\/b>\u30d8\u30c3\u30c0\u30fc\u3067\u5fdc\u7b54\u3057\u307e\u3059\u3002\u3053\u306e\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u63a5\u7d9a\u306fHTTP\u304b\u3089WebSocket\u3078\u3068\u6b63\u5e38\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3055\u308c\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306b<b>\u6301\u7d9a\u7684\u306a\u5168\u4e8c\u91cd\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb<\/b>\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3 id='\u5168\u4e8c\u91cd\u901a\u4fe1'  id=\"boomdevs_4\">\u5168\u4e8c\u91cd\u901a\u4fe1<\/h3>\n<p>\u63a5\u7d9a\u78ba\u7acb\u5f8c\u3001<b>WebSocket\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u53cc\u65b9\u5411\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059<\/b>\u3002\u5f93\u6765\u306eHTTP\u306e\u3088\u3046\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u901a\u4fe1\u3068\u306f\u7570\u306a\u308a\u3001WebSocket\u306f\u4e21\u8005\u304c<b>\u540c\u6642\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3048\u307e\u3059<\/b>\u3002<\/p>\n<p>\u3053\u306e<b>\u53cc\u65b9\u5411\u901a\u4fe1<\/b>\u306f\u3001\u3069\u3061\u3089\u304b\u304c\u63a5\u7d9a\u3092\u9589\u3058\u308b\u307e\u3067\u7dad\u6301\u3055\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u3001WebSocket\u306f<b>\u30b5\u30d6\u30d7\u30ed\u30c8\u30b3\u30eb<\/b>\u3092\u4f7f\u7528\u3067\u304d\u3001\u3053\u308c\u306f\u30b3\u30a2\u306eWebSocket\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e0a\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u901a\u4fe1\u30eb\u30fc\u30eb\u3092\u5b9a\u7fa9\u3057\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3084\u7279\u6b8a\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u5f62\u5f0f\u306e\u51e6\u7406\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30d5\u30ec\u30fc\u30df\u30f3\u30b0'  id=\"boomdevs_5\">\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30d5\u30ec\u30fc\u30df\u30f3\u30b0<\/h3>\n<p>WebSocket\u901a\u4fe1\u306f<b>\u30e1\u30c3\u30bb\u30fc\u30b8\u30d5\u30ec\u30fc\u30df\u30f3\u30b0<\/b>\u306b\u3088\u3063\u3066\u69cb\u6210\u3055\u308c\u3001\u30c7\u30fc\u30bf\u304c\u52b9\u7387\u7684\u304b\u3064\u4fe1\u983c\u6027\u9ad8\u304f\u9001\u4fe1\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u5404WebSocket\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u4ee5\u4e0b\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\uff1a<\/p>\n<ul>\n<li><b>\u30d5\u30ec\u30fc\u30e0\u30d8\u30c3\u30c0\u30fc<\/b>\uff08\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u7a2e\u985e\u3084\u9577\u3055\u306b\u95a2\u3059\u308b\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u542b\u3080\uff09<\/li>\n<li><b>\u30da\u30a4\u30ed\u30fc\u30c9\u30c7\u30fc\u30bf<\/b>\uff08\u5b9f\u969b\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u5185\u5bb9\u3092\u904b\u3076\uff09<\/li>\n<\/ul>\n<p>\u30d5\u30ec\u30fc\u30e0\u306f<b>\u30c6\u30ad\u30b9\u30c8<\/b>\u3001<b>\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf<\/b>\u3001\u307e\u305f\u306f<b>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d5\u30ec\u30fc\u30e0<\/b>\uff08\u30d4\u30f3\u3001\u30dd\u30f3\u3001\u30af\u30ed\u30fc\u30ba\u306a\u3069\u63a5\u7d9a\u7ba1\u7406\u306b\u4f7f\u7528\uff09\u3092\u542b\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u69cb\u9020\u306b\u3088\u308a\u3001\u6027\u80fd\u306b\u91cd\u8981\u306a\u30a6\u30a7\u30d6\u30fb\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u7406\u60f3\u7684\u306a\u3001\u8efd\u91cf\u3067\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306a\u901a\u4fe1\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 id='websocket\u306e\u30e1\u30ea\u30c3\u30c8'  id=\"boomdevs_6\">WebSocket\u306e\u30e1\u30ea\u30c3\u30c8<\/h2>\n<h3 id='\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1'  id=\"boomdevs_7\">\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1<\/h3>\n<p><a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%e8%a3%bd%e5%93%81\/websocket%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0-%e3%83%89%e3%83%83%e3%83%88%e3%82%b3%e3%83%a0%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%bc\/\"><b>WebSocket\u30d7\u30ed\u30c8\u30b3\u30eb<\/b><\/a>\u306e\u6700\u3082\u5927\u304d\u306a\u5229\u70b9\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u3067<b>\u771f\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1<\/b>\u3092\u63d0\u4f9b\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002\u4e00\u5ea6<b>WebSocket\u63a5\u7d9a<\/b>\u304c\u78ba\u7acb\u3055\u308c\u308b\u3068\u3001\u7e70\u308a\u8fd4\u3057\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5f85\u3064\u3053\u3068\u306a\u304f\u53cc\u65b9\u5411\u306b\u5373\u5ea7\u306b\u30c7\u30fc\u30bf\u304c\u6d41\u308c\u308b\u305f\u3081\u3001<b>\u30e9\u30a4\u30d6\u30c1\u30e3\u30c3\u30c8\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30de\u30eb\u30c1\u30d7\u30ec\u30a4\u30e4\u30fc\u30b2\u30fc\u30e0\u3001\u30c8\u30ec\u30fc\u30c7\u30a3\u30f3\u30b0\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3001\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb<\/b>\u306a\u3069\u3001\u5373\u6642\u66f4\u65b0\u304c\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u9375\u3068\u306a\u308b\u5834\u9762\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n<h3 id='\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u4f4e\u6e1b'  id=\"boomdevs_8\">\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u4f4e\u6e1b<\/h3>\n<p>\u5f93\u6765\u306eHTTP\u63a5\u7d9a\u306f\u3001\u5404\u30e1\u30c3\u30bb\u30fc\u30b8\u3054\u3068\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u30b5\u30a4\u30af\u30eb\u304c\u5fc5\u8981\u306a\u305f\u3081\u3001\u9045\u5ef6\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001<b>WebSocket<\/b>\u306f<b>\u6301\u7d9a\u7684\u306a\u63a5\u7d9a<\/b>\u3092\u7dad\u6301\u3057\u3001\u7e70\u308a\u8fd4\u3055\u308c\u308b\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u6392\u9664\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a<b>\u3088\u308a\u901f\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u914d\u4fe1<\/b>\u3068\u3001\u7279\u306b\u91d1\u878d\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3084<a href=\"https:\/\/www.dotcom-monitor.com\/features\/synthetic-monitoring\/\">\u76e3\u8996\u30c4\u30fc\u30eb<\/a>\u306e\u3088\u3046\u306a\u30df\u30ea\u79d2\u5358\u4f4d\u3067\u306e\u53cd\u5fdc\u304c\u6c42\u3081\u3089\u308c\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e<b>\u3088\u308a\u5fdc\u7b54\u6027\u306e\u9ad8\u3044\u4f53\u9a13<\/b>\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3 id='\u5e2f\u57df\u5e45\u4f7f\u7528\u91cf\u306e\u524a\u6e1b'  id=\"boomdevs_9\">\u5e2f\u57df\u5e45\u4f7f\u7528\u91cf\u306e\u524a\u6e1b<\/h3>\n<p>HTTP\u3068\u306f\u7570\u306a\u308a\u3001\u6bce\u56de\u5927\u91cf\u306e\u30d8\u30c3\u30c0\u30fc\u3092\u9001\u4fe1\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u305f\u3081\u3001<b>WebSocket\u306f\u5fc5\u8981\u306a\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u307f\u3092\u9001\u4fe1<\/b>\u3057\u307e\u3059\u3002\u4e0d\u8981\u306a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u3067\u3001<b>\u5e2f\u57df\u5e45\u6d88\u8cbb\u3092\u6700\u5c0f\u5316\u3057\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u52b9\u7387\u3092\u6700\u9069\u5316<\/b>\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001IoT\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3001\u901a\u77e5\u30b7\u30b9\u30c6\u30e0\u3001\u30e9\u30a4\u30d6\u89e3\u6790\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u3088\u3046\u306b\u983b\u7e41\u306b\u66f4\u65b0\u3092\u30d7\u30c3\u30b7\u30e5\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u7279\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n<h3 id='\u73fe\u4ee3\u7684\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3'  id=\"boomdevs_10\">\u73fe\u4ee3\u7684\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/h3>\n<p><b>WebSocket\u30b5\u30fc\u30d0\u30fc<\/b>\u306f\u3001\u591a\u6570\u306e\u540c\u6642\u63a5\u7d9a\u3092\u52b9\u7387\u826f\u304f\u51e6\u7406\u3059\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5404\u63a5\u7d9a\u3092\u958b\u3044\u305f\u307e\u307e\u306b\u3059\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u63a5\u7d9a\u306e\u4f5c\u6210\u30fb\u7834\u68c4\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306a\u3057\u306b\u591a\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u3068\u540c\u6642\u901a\u4fe1\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001<b>\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u306e\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/b>\u2014\u7279\u306b<b>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9<\/b>\u3001<b>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0API<\/b>\u3001<b>\u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6\u30b7\u30b9\u30c6\u30e0<\/b>\u2014\u306b\u6700\u9069\u306a\u6280\u8853\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id='websocket\u306e\u4e3b\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9'  id=\"boomdevs_11\">WebSocket\u306e\u4e3b\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h2>\n<h3 id='\u30c1\u30e3\u30c3\u30c8\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3'  id=\"boomdevs_12\">\u30c1\u30e3\u30c3\u30c8\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p><b>WebSocket<\/b>\u306f\u73fe\u4ee3\u306e<b>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c1\u30e3\u30c3\u30c8\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/b>\u306e\u57fa\u76e4\u3067\u3059\u3002\u30da\u30fc\u30b8\u306e\u518d\u8aad\u307f\u8fbc\u307f\u3084\u7e70\u308a\u8fd4\u3057\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306a\u3057\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u9593\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5373\u6642\u306b\u5c4a\u3051\u307e\u3059\u3002<b>1\u5bfe1\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0<\/b>\u304b\u3089<b>\u30b0\u30eb\u30fc\u30d7\u30c1\u30e3\u30c3\u30c8<\/b>\u307e\u3067\u3001<b><a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%bd%e3%82%b1%e3%83%83%e3%83%88%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%ae%e7%9b%a3%e8%a6%96\/\">WebSocket\u30d7\u30ed\u30c8\u30b3\u30eb<\/a><\/b>\u306f\u30b9\u30e0\u30fc\u30ba\u3067\u53cc\u65b9\u5411\u306e\u901a\u4fe1\u3092\u4fdd\u8a3c\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u77ac\u9593\u7684\u3067\u81ea\u7136\u306a\u4f53\u9a13\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30e9\u30a4\u30d6\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3068\u901a\u77e5'  id=\"boomdevs_13\">\u30e9\u30a4\u30d6\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3068\u901a\u77e5<\/h3>\n<p><b>\u30cb\u30e5\u30fc\u30b9\u30dd\u30fc\u30bf\u30eb\u3001\u30bd\u30fc\u30b7\u30e3\u30eb\u30e1\u30c7\u30a3\u30a2\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3001\u30e9\u30a4\u30d6\u30b9\u30dd\u30fc\u30c4\u306e\u30b9\u30b3\u30a2\u30dc\u30fc\u30c9<\/b>\u306a\u3069\u3001<b>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u66f4\u65b0<\/b>\u3092\u5fc5\u8981\u3068\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3001<b>WebSocket<\/b>\u306f\u6700\u9069\u306a\u89e3\u6c7a\u7b56\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<b>\u6301\u7d9a\u7684\u306a\u63a5\u7d9a<\/b>\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u30c7\u30fc\u30bf\u304c\u5909\u66f4\u3055\u308c\u305f\u77ac\u9593\u306b<b>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3078\u76f4\u63a5\u66f4\u65b0\u3092\u30d7\u30c3\u30b7\u30e5<\/b>\u3067\u304d\u3001\u9045\u5ef6\u3092\u6392\u9664\u3057\u30e6\u30fc\u30b6\u30fc\u306b\u5e38\u306b\u6700\u65b0\u60c5\u5831\u3092\u5c4a\u3051\u307e\u3059\u3002<\/p>\n<h3 id='\u30aa\u30f3\u30e9\u30a4\u30f3\u30b2\u30fc\u30e0'  id=\"boomdevs_14\">\u30aa\u30f3\u30e9\u30a4\u30f3\u30b2\u30fc\u30e0<\/h3>\n<p><b>\u30de\u30eb\u30c1\u30d7\u30ec\u30a4\u30e4\u30fc\u30aa\u30f3\u30e9\u30a4\u30f3\u30b2\u30fc\u30e0<\/b>\u3067\u306f\u30df\u30ea\u79d2\u5358\u4f4d\u306e\u9045\u5ef6\u304c\u52dd\u6557\u3092\u5206\u3051\u307e\u3059\u3002<b>WebSocket\u63a5\u7d9a<\/b>\u306f\u30b5\u30fc\u30d0\u30fc\u3068\u30d7\u30ec\u30a4\u30e4\u30fc\u9593\u3067<b>\u4f4e\u9045\u5ef6\u304b\u3064\u9ad8\u983b\u5ea6\u306e\u901a\u4fe1<\/b>\u3092\u5b9f\u73fe\u3057\u3001\u5168\u3066\u306e\u52d5\u304d\u3084\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5373\u5ea7\u306b\u540c\u671f\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30d7\u30ec\u30a4\u30e4\u30fc\u306f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u76f8\u4e92\u4f5c\u7528\u3067\u304d\u3001\u3088\u308a\u6ed1\u3089\u304b\u3067\u6ca1\u5165\u611f\u306e\u3042\u308b<b>\u30b2\u30fc\u30e0\u4f53\u9a13<\/b>\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<h3 id='\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb'  id=\"boomdevs_15\">\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb<\/h3>\n<p>\u30aa\u30f3\u30e9\u30a4\u30f3\u6587\u66f8\u7de8\u96c6\u3001\u30c7\u30b8\u30bf\u30eb\u30db\u30ef\u30a4\u30c8\u30dc\u30fc\u30c9\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u7ba1\u7406\u30c4\u30fc\u30eb\u306a\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001<b>WebSocket API<\/b>\u3092\u6d3b\u7528\u3057\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3057\u307e\u3059\u3002\u8907\u6570\u30e6\u30fc\u30b6\u30fc\u304c\u540c\u6642\u306b\u7de8\u96c6\u3001\u63cf\u753b\u3001\u66f4\u65b0\u3092\u884c\u3044\u3001\u9045\u5ef6\u306a\u304f\u5168\u54e1\u306e\u753b\u9762\u8868\u793a\u3092\u540c\u671f\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u91d1\u878d-\u30c8\u30ec\u30fc\u30c7\u30a3\u30f3\u30b0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3'  id=\"boomdevs_16\">\u91d1\u878d\u30fb\u30c8\u30ec\u30fc\u30c7\u30a3\u30f3\u30b0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p>\u91d1\u878d\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f<b>WebSocket<\/b>\u3092\u7528\u3044\u3066\u3001<b>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u5e02\u5834\u30c7\u30fc\u30bf\u3001\u682a\u4fa1\u3001\u53d6\u5f15\u66f4\u65b0<\/b>\u3092\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3084\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u306b\u76f4\u63a5\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30c8\u30ec\u30fc\u30c0\u30fc\u3084\u6295\u8cc7\u5bb6\u306f\u6700\u65b0\u306e\u60c5\u5831\u306b\u57fa\u3065\u3044\u3066<b>\u77ac\u6642\u306b\u610f\u601d\u6c7a\u5b9a<\/b>\u3092\u884c\u3048\u307e\u3059\u3002<\/p>\n<div class=\"dcm_inblog_cta\">\n<p>\u4eca\u3059\u3050WebSocket\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u76e3\u8996\u3068\u30c6\u30b9\u30c8\u3092\u59cb\u3081\u307e\u3057\u3087\u3046<\/p>\n<p style=\"font-size: 22px\">\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9\u306f\u59cb\u307e\u308a\u306b\u904e\u304e\u307e\u305b\u3093\u3002\u5b89\u5b9a\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u78ba\u4fdd\u3053\u305d\u9577\u671f\u7684\u306a\u6210\u529f\u306e\u8981\u3067\u3059\u3002Dotcom-Monitor\u306e\u6700\u65b0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u3088\u308a\u3001EveryStep\u30b9\u30af\u30ea\u30d7\u30c8\u30c4\u30fc\u30eb\u3067\u306e\u5b8c\u5168\u306aWebSocket\u30b5\u30dd\u30fc\u30c8\u304c\u5b9f\u73fe\u3057\u3001WebSocket\u30d9\u30fc\u30b9\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u8a18\u9332\u3001\u30c6\u30b9\u30c8\u3001\u76e3\u8996\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p><a class=\"dcm_inblog_cta_button\" href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/websocket-%e3%82%b5%e3%83%9d%e3%83%bc%e3%83%88%e3%81%8c%e5%88%a9%e7%94%a8%e5%8f%af%e8%83%bd%e3%81%ab%e3%81%aa%e3%82%8a%e3%81%be%e3%81%97%e3%81%9f\/\">\u4eca\u3059\u3050\u5229\u7528\u53ef\u80fd\u306aWebSocket\u30b5\u30dd\u30fc\u30c8\u306e\u8a73\u7d30\u306f\u3053\u3061\u3089<\/a><\/p>\n<p style=\"font-size: 22px\">WebSocket\u5bfe\u5fdc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fe1\u983c\u6027\u3092\u4eca\u65e5\u304b\u3089\u5411\u4e0a\u3055\u305b\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n<h2 id='websocket\u306e\u5b9f\u88c5'  id=\"boomdevs_17\">WebSocket\u306e\u5b9f\u88c5<\/h2>\n<h3 id='websocket\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a'  id=\"boomdevs_18\">WebSocket\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a<\/h3>\n<p>WebSocket\u3092\u59cb\u3081\u308b\u306b\u306f\u3001\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u6271\u3048\u308b\u30b5\u30fc\u30d0\u30fc\u304c\u5fc5\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7c21\u7d20\u5316\u3057\u307e\u3059\uff1a<\/p>\n<ul>\n<li><b>Node.js\u3068ws<\/b>\u2014Node.js\u5411\u3051\u306e\u8efd\u91cf\u304b\u3064\u52b9\u7387\u7684\u306aWebSocket\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001\u4f4e\u30ec\u30d9\u30eb\u306e\u5236\u5fa1\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<li><b>Socket.IO<\/b> \u2014\u5229\u7528\u53ef\u80fd\u306a\u5834\u5408\u306fWebSocket\u3092\u4f7f\u3044\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4ed6\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u512a\u96c5\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b\u4eba\u6c17\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30a8\u30f3\u30b8\u30f3\u3067\u3059\u3002<\/li>\n<li><b>Spring WebSocket<\/b>\u2014Java\u30d9\u30fc\u30b9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30cd\u30a4\u30c6\u30a3\u30d6WebSocket\u30b5\u30dd\u30fc\u30c8\u3092\u3082\u305f\u3089\u3059Spring Framework\u306e\u5805\u7262\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3044\u305a\u308c\u3082\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u306e\u7ba1\u7406\u3001\u540c\u6642\u30e6\u30fc\u30b6\u30fc\u306e\u51e6\u7406\u3001\u63a5\u7d9a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u9593\u306e\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u914d\u4fe1\u3092\u5b9f\u73fe\u3059\u308b\u30c4\u30fc\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<h3 id='websocket\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u4f5c\u6210'  id=\"boomdevs_19\">WebSocket\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u4f5c\u6210<\/h3>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u306f\u3001\u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6\u304c\u30cd\u30a4\u30c6\u30a3\u30d6\u306b<b>WebSocket API<\/b>\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u6570\u884c\u306eJavaScript\u3067WebSocket\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3066\u64cd\u4f5c\u3067\u304d\u307e\u3059\uff1a<\/p>\n<pre><code class=\"language-javascript\">\/\/ \u4f8b\uff1a\u30b7\u30f3\u30d7\u30eb\u306aWebSocket\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\r\nconst socket = new WebSocket(\"wss:\/\/example.com\/socket\");\r\n\r\n\/\/ \u63a5\u7d9a\u304c\u958b\u3044\u305f\u3068\u304d\r\nsocket.addEventListener(\"open\", () =&gt; {\r\n  console.log(\"WebSocket\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u307e\u3057\u305f\");\r\n  socket.send(\"Hello Server!\");\r\n});\r\n\r\n\/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u4fe1\u3057\u305f\u3068\u304d\r\nsocket.addEventListener(\"message\", (event) =&gt; {\r\n  console.log(\"\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30e1\u30c3\u30bb\u30fc\u30b8:\", event.data);\r\n});\r\n\r\n\/\/ \u63a5\u7d9a\u304c\u9589\u3058\u305f\u3068\u304d\r\nsocket.addEventListener(\"close\", () =&gt; {\r\n  console.log(\"WebSocket\u63a5\u7d9a\u304c\u9589\u3058\u3089\u308c\u307e\u3057\u305f\");\r\n});\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u4f8b\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u3069\u306e\u3088\u3046\u306b\u6301\u7d9a\u7684\u306a\u63a5\u7d9a\u3092\u958b\u304d\u3001\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u3001\u53d7\u4fe1\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5f85\u3061\u53d7\u3051\u308b\u304b\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u3067\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u57fa\u790e\u3092\u7bc9\u304d\u307e\u3059\u3002<\/p>\n<h3 id='\u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406'  id=\"boomdevs_20\">\u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406<\/h3>\n<p>WebSocket\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u53cc\u65b9\u306e\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u3067\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002<b>message<\/b>\u30a4\u30d9\u30f3\u30c8\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u30c7\u30fc\u30bf\u3092\u53d7\u4fe1\u30fb\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u4ef6\u306b\u5fdc\u3058\u3066<b>\u30c6\u30ad\u30b9\u30c8<\/b>\u307e\u305f\u306f<b>\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf<\/b>\u3068\u3057\u3066\u9001\u53d7\u4fe1\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u69cb\u9020\u5316\u901a\u4fe1\u306b\u306f<b>JSON<\/b>\u304c\u6700\u3082\u4e00\u822c\u7684\u3067\u3001\u8efd\u91cf\u304b\u3064\u8aad\u307f\u3084\u3059\u3044\u5f62\u5f0f\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u30c7\u30fc\u30bf\u4ea4\u63db\u3092\u7c21\u7d20\u5316\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306fJavaScript\u3067\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\u4f8b\u3067\u3059\uff1a<\/p>\n<pre><code class=\"language-javascript\">\/\/ \u30b5\u30fc\u30d0\u30fc\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\r\nsocket.send(JSON.stringify({ type: \"greeting\", message: \"Hello from client!\" }));\r\n\r\n\/\/ \u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u53d7\u4fe1\u3068\u51e6\u7406\r\nsocket.addEventListener(\"message\", (event) =&gt; {\r\n  const data = JSON.parse(event.data);\r\n  console.log(\"\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30e1\u30c3\u30bb\u30fc\u30b8:\", data);\r\n});\r\n<\/code><\/pre>\n<p>\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u306f\u3001WebSocket\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u5bfe\u5fdc\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u63d0\u4f9b\u3057\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u306e\u5185\u5bb9\u3092\u89e3\u6790\u3057\u3001\u9069\u5207\u306a\u5fdc\u7b54\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u53cc\u65b9\u5411\u901a\u4fe1\u306b\u3088\u308a\u3001\u9ad8\u901f\u3067\u52d5\u7684\u3001\u304b\u3064\u9ad8\u5ea6\u306b\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h2 id='websocket-api\u306e\u7279\u5fb4'  id=\"boomdevs_21\">WebSocket API\u306e\u7279\u5fb4<\/h2>\n<p><b>WebSocket API<\/b>\u306f\u3001\u958b\u767a\u8005\u304c\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u30c4\u30fc\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u3092\u3088\u308a\u67d4\u8edf\u304b\u3064\u52b9\u7387\u7684\u306b\u3059\u308b\u305f\u3081\u306e\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30b5\u30d6\u30d7\u30ed\u30c8\u30b3\u30eb'  id=\"boomdevs_22\">\u30b5\u30d6\u30d7\u30ed\u30c8\u30b3\u30eb<\/h3>\n<p>WebSocket\u306f<b>\u30b5\u30d6\u30d7\u30ed\u30c8\u30b3\u30eb<\/b>\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u57fa\u672c\u7684\u306aWebSocket\u63a5\u7d9a\u306e\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u308b\u7279\u5b9a\u306e\u901a\u4fe1\u898f\u7d04\u3067\u3001\u958b\u767a\u8005\u304c\u8907\u96d1\u307e\u305f\u306f\u30c9\u30e1\u30a4\u30f3\u7279\u6709\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u7ba1\u7406\u3057\u3084\u3059\u304f\u3057\u307e\u3059\u3002<\/p>\n<h3 id='readystate'  id=\"boomdevs_23\">readyState<\/h3>\n<p>WebSocket\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e<b>readyState<\/b>\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u63a5\u7d9a\u306e\u73fe\u5728\u72b6\u614b\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u63a5\u7d9a\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u7ba1\u7406\u3084\u518d\u63a5\u7d9a\u30ed\u30b8\u30c3\u30af\u306e\u5b9f\u88c5\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li><b>0 (CONNECTING):<\/b> \u63a5\u7d9a\u304c\u9032\u884c\u4e2d\u3067\u307e\u3060\u78ba\u7acb\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/li>\n<li><b>1 (OPEN):<\/b> \u63a5\u7d9a\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u3067\u901a\u4fe1\u6e96\u5099\u304c\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><b>2 (CLOSING):<\/b> \u63a5\u7d9a\u304c\u9589\u3058\u3089\u308c\u3064\u3064\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><b>3 (CLOSED):<\/b> \u63a5\u7d9a\u306f\u9589\u3058\u3089\u308c\u3066\u3044\u308b\u304b\u518d\u958b\u4e0d\u80fd\u3067\u3059\u3002<\/li>\n<\/ul>\n<h3 id='\u8a8d\u8a3c'  id=\"boomdevs_24\">\u8a8d\u8a3c<\/h3>\n<p>\u30bb\u30ad\u30e5\u30a2\u306a\u901a\u4fe1\u306e\u305f\u3081\u306b\u3001<b>WebSocket\u8a8d\u8a3c<\/b>\u306f\u8a8d\u53ef\u3055\u308c\u305f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u307f\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u8a8d\u8a3c\u30c8\u30fc\u30af\u30f3\uff08<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/monitoring-jwt-tokens-oauth-token-endpoints\/\">JWT<\/a>\u3084API\u30ad\u30fc\u306a\u3069\uff09\u306f\u521d\u671f\u306e\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u4e2d\u306b\u4ea4\u63db\u3067\u304d\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u304e\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf'  id=\"boomdevs_25\">\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf<\/h3>\n<p>WebSocket\u306f\u30c6\u30ad\u30b9\u30c8\u3060\u3051\u3067\u306a\u304f<b>\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf<\/b>\u3082\u6271\u3048\u3001\u30d5\u30a1\u30a4\u30eb\u3084\u753b\u50cf\u306a\u3069\u306e\u975e\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\u3092\u52b9\u7387\u7684\u306b\u9001\u4fe1\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u9ad8\u901f\u3067\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306a\u30c7\u30fc\u30bf\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3092\u5fc5\u8981\u3068\u3059\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u9069\u3057\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 id='\u901a\u77e5'  id=\"boomdevs_26\">\u901a\u77e5<\/h3>\n<p>WebSocket\u306f<b>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u77e5<\/b>\u306b\u7406\u60f3\u7684\u3067\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306f\u63a5\u7d9a\u3055\u308c\u305f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5bfe\u3057\u3001\u66f4\u65b0\u3001\u8b66\u544a\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u5909\u66f4\u3092\u5373\u5ea7\u306b\u30d7\u30c3\u30b7\u30e5\u3067\u304d\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3001\u682a\u4fa1\u66f4\u65b0\u3001\u30b7\u30b9\u30c6\u30e0\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n<div class=\"dcm_inblog_cta\">\n<p>WebSocket API\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u76e3\u8996\u304a\u3088\u3073\u30c6\u30b9\u30c8<\/p>\n<p>WebSocket\u63a5\u7d9a\u304c\u9ad8\u901f\u304b\u3064\u5b89\u5168\u3001\u4fe1\u983c\u6027\u3092\u7dad\u6301\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\u3002<a href=\"https:\/\/www.dotcom-monitor.com\/features\/synthetic-monitoring\/\">Dotcom-Monitor\u306eSynthetic Monitoring<\/a>\u3092\u4f7f\u3048\u3070\u3001WebSocket\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u3001\u5fdc\u7b54\u6642\u9593\u3092\u6e2c\u5b9a\u3057\u3001\u554f\u984c\u304c\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u524d\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u691c\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n<p style=\"font-size: 22px\">\u8907\u6570\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u62e0\u70b9\u304b\u3089\u306e\u81ea\u52d5\u30c6\u30b9\u30c8\u3067\u3001WebSocket\u306e<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/api-performance-monitoring\/\">API\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/a>\u3092\u4eca\u3059\u3050\u6700\u9069\u5316\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n<h2 id='websocket\u4f7f\u7528\u6642\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9'  id=\"boomdevs_27\">WebSocket\u4f7f\u7528\u6642\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n<h3 id='\u63a5\u7d9a\u7ba1\u7406'  id=\"boomdevs_28\">\u63a5\u7d9a\u7ba1\u7406<\/h3>\n<p>WebSocket\u63a5\u7d9a\u3092\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u3001\u30aa\u30fc\u30d7\u30f3\u3001\u30af\u30ed\u30fc\u30ba\u3001\u30a8\u30e9\u30fc\u30a4\u30d9\u30f3\u30c8\u3092\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002\u4e0d\u610f\u306e\u5207\u65ad\u306b\u5bfe\u51e6\u3057\u3001\u6ed1\u3089\u304b\u306a\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u3001\u6307\u6570\u95a2\u6570\u7684\u30d0\u30c3\u30af\u30aa\u30d5\u3092\u7528\u3044\u305f\u518d\u63a5\u7d9a\u30ed\u30b8\u30c3\u30af\u3092\u5b9f\u88c5\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3 id='\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3'  id=\"boomdevs_29\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h3>\n<p>\u5fc5\u305a\u30bb\u30ad\u30e5\u30a2WebSocket\uff08wss:\/\/\uff09\u3092\u4f7f\u7528\u3057\u3001\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3066\u76d7\u8074\u3084\u4e2d\u9593\u8005\u653b\u6483\u3092\u9632\u6b62\u3057\u307e\u3059\u3002\u53d7\u4fe1\u3059\u308b\u3059\u3079\u3066\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u691c\u8a3c\u30fb\u30b5\u30cb\u30bf\u30a4\u30ba\u3057\u3001\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3084\u30af\u30ed\u30b9\u30b5\u30a4\u30c8WebSocket\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\uff08CSWSH\uff09\u8106\u5f31\u6027\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3 id='\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0'  id=\"boomdevs_30\">\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0<\/h3>\n<p>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u3084\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3092\u7528\u3044\u3066WebSocket\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30b9\u30b1\u30fc\u30eb\u3055\u305b\u307e\u3059\u3002<b>NGINX<\/b>\u3001<b>HAProxy<\/b>\u3001<b>Kubernetes ingress\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc<\/b>\u306a\u3069\u306e\u30c4\u30fc\u30eb\u306f\u3001\u3088\u308a\u826f\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u53ef\u7528\u6027\u306e\u305f\u3081\u306bWebSocket\u63a5\u7d9a\u3092\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u52b9\u679c\u7684\u306b\u5206\u6563\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id='\u30a8\u30e9\u30fc\u51e6\u7406'  id=\"boomdevs_31\">\u30a8\u30e9\u30fc\u51e6\u7406<\/h3>\n<p>\u610f\u56f3\u3057\u306a\u3044\u72b6\u6cc1\u306b\u5bfe\u5fdc\u3057\u3064\u3064\u63a5\u7d9a\u306e\u5b89\u5b9a\u6027\u3092\u7dad\u6301\u3059\u308b\u5805\u7262\u306a\u30a8\u30e9\u30fc\u51e6\u7406\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002\u8a73\u7d30\u306a\u30a8\u30e9\u30fc\u30c7\u30fc\u30bf\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u30ed\u30b0\u306b\u8a18\u9332\u3057\u3066\u5206\u6790\u3057\u3001\u7a4d\u6975\u7684\u306a\u554f\u984c\u89e3\u6c7a\u306b\u5f79\u7acb\u3066\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3 id='\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406'  id=\"boomdevs_32\">\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/h3>\n<p>\u30b5\u30fc\u30d0\u30fc\u8cc7\u6e90\u3092\u7d99\u7d9a\u7684\u306b\u76e3\u8996\u30fb\u7ba1\u7406\u3057\u3001\u9ad8\u63a5\u7d9a\u6570\u306b\u3088\u308b\u904e\u8ca0\u8377\u3092\u9632\u6b62\u3057\u307e\u3059\u3002\u30ec\u30fc\u30c8\u30ea\u30df\u30c3\u30c8\u3001\u63a5\u7d9a\u30af\u30aa\u30fc\u30bf\u3001\u30e1\u30e2\u30ea\u7ba1\u7406\u6226\u7565\u3092\u9069\u7528\u3057\u3001\u591a\u8ca0\u8377\u4e0b\u3067\u3082\u4e00\u8cab\u3057\u305f\u6027\u80fd\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u6a5f\u69cb'  id=\"boomdevs_33\">\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u6a5f\u69cb<\/h3>\n<p>\u30d4\u30f3\/\u30dd\u30f3\u30d5\u30ec\u30fc\u30e0\u3084\u30cf\u30fc\u30c8\u30d3\u30fc\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5b9f\u88c5\u3057\u3001\u975e\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u691c\u51fa\u3057\u3066\u30ea\u30bd\u30fc\u30b9\u3092\u89e3\u653e\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u53e4\u304f\u306a\u3063\u305f\u63a5\u7d9a\u3084\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u306e\u63a5\u7d9a\u304c\u5e2f\u57df\u3092\u7121\u99c4\u306b\u3057\u305f\u308a\u30b7\u30b9\u30c6\u30e0\u6027\u80fd\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<h2 id='\u65e2\u5b58\u306e\u30a6\u30a7\u30d6\u6280\u8853\u3068\u306ewebsocket\u7d71\u5408'  id=\"boomdevs_34\">\u65e2\u5b58\u306e\u30a6\u30a7\u30d6\u6280\u8853\u3068\u306eWebSocket\u7d71\u5408<\/h2>\n<h3 id='html\u3068websocket'  id=\"boomdevs_35\">HTML\u3068WebSocket<\/h3>\n<p>WebSocket\u306fHTML\u30da\u30fc\u30b8\u306b\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u7d71\u5408\u3067\u304d\u3001\u52d5\u7684\u3067\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306a\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u30d5\u30a9\u30fc\u30e0\u3001\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3001\u30c1\u30e3\u30c3\u30c8\u30a6\u30a3\u30f3\u30c9\u30a6\u306a\u3069\u306eHTML\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306f\u76f4\u63a5WebSocket\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u63a5\u7d9a\u3057\u3001\u30da\u30fc\u30b8\u30ea\u30ed\u30fc\u30c9\u306a\u3057\u3067\u30e9\u30a4\u30d6\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3068\u5373\u6642\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<h3 id='json\u30c7\u30fc\u30bf'  id=\"boomdevs_36\">JSON\u30c7\u30fc\u30bf<\/h3>\n<p><a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/jsonpath-web-api-monitoring\/\">JSON\uff08JavaScript Object Notation\uff09<\/a>\u306fWebSocket\u901a\u4fe1\u3067\u5e83\u304f\u4f7f\u308f\u308c\u308b\u8efd\u91cf\u306a\u30c7\u30fc\u30bf\u4ea4\u63db\u5f62\u5f0f\u3067\u3059\u3002JSON\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u9001\u53d7\u4fe1\u306b\u3088\u308a\u3001\u958b\u767a\u8005\u306f\u69cb\u9020\u5316\u3055\u308c\u305f\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u3092\u5bb9\u6613\u306b\u7ba1\u7406\u3067\u304d\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u5358\u7d14\u5316\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8'  id=\"boomdevs_37\">\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8<\/h3>\n<p>WebSocket\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306f\u3001WebSocket\u30b5\u30fc\u30d0\u30fc\u304c\u7740\u4fe1\u63a5\u7d9a\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308b\u5b9a\u7fa9\u6e08\u307f\u306eURL\u307e\u305f\u306f\u30d1\u30b9\u3067\u3059\u3002\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u9593\u306e\u4e2d\u592e\u901a\u4fe1\u6a4b\u6e21\u3057\u3092\u62c5\u3044\u3001\u52b9\u7387\u7684\u306a\u53cc\u65b9\u5411\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u4ea4\u63db\u3092\u4fc3\u9032\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64'  id=\"boomdevs_38\">\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/h3>\n<p>WebSocket\u306fTCP\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u4e0a\u3067\u52d5\u4f5c\u3057\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u9806\u5e8f\u901a\u308a\u3067\u30ed\u30b9\u306e\u306a\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u914d\u4fe1\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e9\u30a4\u30d6\u30c8\u30ec\u30fc\u30c7\u30a3\u30f3\u30b0\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3084IoT\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306a\u3069\u3001\u7d99\u7d9a\u7684\u304b\u3064\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306a\u66f4\u65b0\u306b\u4f9d\u5b58\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n<h3 id='\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u7d71\u5408'  id=\"boomdevs_39\">\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u7d71\u5408<\/h3>\n<p>WebSocket\u306f\u4f1d\u7d71\u7684\u306aHTTP\u30b5\u30fc\u30d3\u30b9\u3068\u540c\u3058\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u52d5\u4f5c\u53ef\u80fd\u3067\u3001\u958b\u767a\u8005\u306f\u9759\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\uff08HTML\u3001CSS\u3001JS\uff09\u3068\u30e9\u30a4\u30d6\u304b\u3064\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1\u306e\u4e21\u65b9\u3092\u7d71\u5408\u74b0\u5883\u304b\u3089\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u69cb\u6210\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u3064\u3064\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u7d50\u8ad6'  id=\"boomdevs_40\">\u7d50\u8ad6<\/h3>\n<p>WebSocket\u306f<b>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u5f37\u529b\u304b\u3064\u5fc5\u9808\u306e\u6280\u8853<\/b>\u3067\u3059\u3002\u5168\u4e8c\u91cd\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u53ef\u80fd\u306b\u3057\u3001\u5373\u6642\u306e\u30c7\u30fc\u30bf\u4ea4\u63db\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u6e1b\u5c11\u3001\u52b9\u7387\u7684\u306a\u5e2f\u57df\u5e45\u5229\u7528\u3092\u5b9f\u73fe\u3057\u3001\u3059\u3079\u3066\u304c\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<p>WebSocket\u306e\u5b9f\u88c5\u306b\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u3001WebSocket API\u3092\u4f7f\u7528\u3057\u305f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u4f5c\u6210\u3001<b>\u63a5\u7d9a\u7ba1\u7406<\/b>\u3001<b>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/b>\u3001<b>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/b>\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306e\u9806\u5b88\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30c1\u30e3\u30c3\u30c8\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30b2\u30fc\u30e0\u3001\u30e9\u30a4\u30d6\u30c7\u30fc\u30bf\u66f4\u65b0\u30b5\u30fc\u30d3\u30b9\u306e\u3044\u305a\u308c\u3092\u958b\u767a\u3059\u308b\u5834\u5408\u3067\u3082\u3001WebSocket\u306f\u73fe\u4ee3\u306e\u30a6\u30a7\u30d6\u30b7\u30b9\u30c6\u30e0\u306b\u6c42\u3081\u3089\u308c\u308b\u5fdc\u7b54\u6027\u3068\u4fe1\u983c\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>WebSocket\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u7d71\u5408\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3001\u904b\u7528\u52b9\u7387\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u3064\u306a\u304e\u7d9a\u3051\u3001\u6d3b\u6027\u5316\u3057\u307e\u3059\u3002<\/p>\n<p>\u3088\u308a\u8a73\u7d30\u306a\u6d1e\u5bdf\u3068\u5b9f\u88c5\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u516c\u5f0f\u306e<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/WebSockets_API\" target=\"_blank\" rel=\"nofollow noopener\"><b>WebSocket API\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/b><\/a>\u3084GitHub\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u4f8b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"dcm_inblog_cta\">\n<p><a class=\"dcm_inblog_cta_button\" href=\"https:\/\/userauth.dotcom-monitor.com\/Account\/FreeTrialSignUp?SolutionType=Monitoring\">\u4eca\u3059\u3050\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3092\u958b\u59cb<\/a><\/p>\n<p>\u305d\u3057\u3066\u3001Dotcom-Monitor\u304c\u3042\u306a\u305f\u306e\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6700\u9ad8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7dad\u6301\u3092\u3069\u306e\u3088\u3046\u306b\u652f\u63f4\u3059\u308b\u304b\u3092\u4f53\u9a13\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>WebSockets\u306f\u3001\u5358\u4e00\u306eTCP\u63a5\u7d9a\u3092\u4ecb\u3057\u3066\u5168\u4e8c\u91cd\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u63d0\u4f9b\u3059\u308b\u6700\u65b0\u306e\u30a6\u30a7\u30d6\u6280\u8853\u3067\u3059\u3002<\/p>\n","protected":false},"author":39,"featured_media":31310,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6027],"tags":[],"class_list":["post-31321","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-6027"],"_links":{"self":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/posts\/31321","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/comments?post=31321"}],"version-history":[{"count":0,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/posts\/31321\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/media\/31310"}],"wp:attachment":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/media?parent=31321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/categories?post=31321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/tags?post=31321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}