{"id":23732,"date":"2019-07-31T02:54:53","date_gmt":"2019-07-31T09:54:53","guid":{"rendered":"https:\/\/staging.kinsta.site\/?p=46187"},"modified":"2021-02-26T18:17:12","modified_gmt":"2021-02-26T09:17:12","slug":"http-503-survice-unavailable","status":"publish","type":"post","link":"https:\/\/staging.kinsta.site\/jp\/blog\/http-503-survice-unavailable\/","title":{"rendered":"WordPress\u3067\u306e\u300cHTTP 503 Service Unavailable\u300d\u30a8\u30e9\u30fc\u306e\u5bfe\u51e6\u6cd5"},"content":{"rendered":"<p>WordPress\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3068\u3001\u6016\u6c17\u3065\u3044\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3067\u3059\u304c<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/http-status-codes\/\">\u30a8\u30e9\u30fc\u306e\u591a\u304f<\/a>\u306f\u539f\u56e0\u306e\u898b\u5f53\u304c\u4ed8\u304f\u3082\u306e\u3067\u3001\u305d\u306e<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/wordpress-errors\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc<\/a>\u306b\u5bfe\u51e6\u304c\u65ad\u7136\u697d\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u6b8b\u5ff5\u306a\u306e\u306f\u3001503\u30a8\u30e9\u30fc\u306f\u89aa\u5207\u3055\u306b\u6b20\u3051\u3066\u3044\u3066\u3001\u305d\u3053\u304b\u3089\u624b\u304c\u304b\u308a\u3068\u306a\u308b\u60c5\u5831\u304c\u3042\u307e\u308a\u5f97\u3089\u308c\u306a\u3044\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>WordPress\u3067503\u30a8\u30e9\u30fc\u304c\u8d77\u3053\u308b\u4e3b\u306a\u539f\u56e0\u3092\u77e5\u308b\u3053\u3068\u306f\u5f79\u306b\u7acb\u3064\u3067\u3057\u3087\u3046\u3002\u305d\u306e\u5f8c\u30a8\u30e9\u30fc\u306b\u5bfe\u51e6\u3059\u308b\u6bb5\u968e\u3067\u306f\u9806\u5e8f\u7acb\u3066\u3066\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u6839\u672c\u306e\u539f\u56e0\u3092\u7a81\u304d\u6b62\u3081\u308b\u305f\u3081\u5e7e\u3064\u304b\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u8e0f\u3080\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n<div  class=\"featured-snippet\" id=\"featuredSnippet\">\n    <div class=\"featured-snippet__content\">\n        <h2>503 Survice Unavailable \u30a8\u30e9\u30fc\u3068\u306f\uff1f<\/h2>\n        <div><p>WordPress\u306e503\u30a8\u30e9\u30fc\u306f\u3001\u8a72\u5f53\u30b5\u30fc\u30d0\u30fc\u304c\u5229\u7528\u4e0d\u53ef\u306a\u305f\u3081\u73fe\u6642\u70b9\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3078\u306e\u63a5\u7d9a\u304c\u51fa\u6765\u306a\u3044\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u30a2\u30af\u30bb\u30b9\u306e\u904e\u5270\u96c6\u4e2d\u3084\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4e2d\u3001\u305d\u306e\u4ed6\u3088\u308a\u6df1\u3044\u5206\u6790\u3092\u8981\u3059\u308b\u7406\u7531\u306a\u3069\u306b\u3088\u3063\u3066\u8d77\u3053\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n    <\/div>\n    <div class=\"featured-snippet__footer\">\n        <div class=\"arrow-down\"><\/div>\n        <div class=\"featured-snippet__footer--content row nocol middle-xs between-xs reverse\">\n            <div style=\"margin-left: auto; position: relative; top: -1px\" class=\"row nocol middle-xs\">\n                <div class=\"color--mediumGray\" style=\"font-size: 14px; vertical-align: middle;\">\n                    <svg  class=\"icon icon--logo display--block\" aria-hidden=\"true\" focusable=\"false\"><use xlink:href=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/themes\/kinsta\/dist\/sprite.svg?v=e8af2143e3b8bceb5561b327e81ec085#logo\" \/><\/svg>                <\/div>\n                <div class=\"text--bold color--mediumGray\" style=\"padding-left: 3px;\">Support<\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f503\u30a8\u30e9\u30fc\u304c\u3069\u306e\u69d8\u306a\u3082\u306e\u3067\u3001\u901a\u5e38\u3069\u306e\u69d8\u306b\u8868\u793a\u3055\u308c\u308b\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u305d\u308c\u304b\u3089\u3001503\u30a8\u30e9\u30fc\u89e3\u6d88\u306e6\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u3064\u3044\u3066\u3054\u6848\u5185\u3057\u307e\u3059\u3002\u3067\u306f\u59cb\u3081\u307e\u3057\u3087\u3046\uff01<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<h2 id=\"what-is-503-error\">503\u30a8\u30e9\u30fc\u3068\u306f\uff1f<\/h2>\n<p>503\u30a8\u30e9\u30fc\u306b\u884c\u304d\u5f53\u305f\u3063\u305f\u306a\u3089\u3001\u8a72\u5f53\u30b5\u30fc\u30d0\u30fc\u304c\u5229\u7528\u4e0d\u53ef\u3060\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u4f8b\u3048\u3070\u30a2\u30af\u30bb\u30b9\u304c\u904e\u5270\u96c6\u4e2d\u3057\u3066\u3044\u308b\u304b\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4e2d\u306a\u3069\u306e\u7406\u7531\u306b\u3088\u308b\u3082\u306e\u3067\u3057\u3087\u3046\u3002\u540c\u69d8\u306e\u4ed6\u306e\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3068\u306f\u9055\u3044\u3001503\u30a8\u30e9\u30fc\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u7a3c\u50cd\u3057\u3066\u3044\u308b\u3082\u306e\u306e\u3001\u73fe\u6642\u70b9\u3067\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u7279\u306b\u3053\u306e\u30a8\u30e9\u30fc\u304c\u7169\u308f\u3057\u3044\u306e\u306f\u3001\u624b\u304c\u304b\u308a\u3068\u306a\u308b\u60c5\u5831\u3092\u6b86\u3069\u4e0e\u3048\u3066\u304f\u308c\u306a\u3044\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u591a\u304f\u306e\u5834\u5408\u306f\u300c<strong>Service Temporarily Unavailable<\/strong>\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u3060\u3051\u3067\u3059\u3002\u3053\u308c\u3067\u306f\u3001\u30ec\u30b9\u30c8\u30e9\u30f3\u3078\u96fb\u8a71\u3092\u3057\u305f\u3089\u3001\u9589\u5e97\u3060\u3068\u8a00\u3044\u3064\u3064\u3082\u518d\u958b\u306e\u6642\u671f\u306f\u6559\u3048\u3066\u304f\u308c\u306a\u3044\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u904b\u304c\u826f\u3051\u308c\u3070\u3001503\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u304c\u8d77\u304d\u305f\u306e\u306fWordPress\u30b5\u30a4\u30c8\u304c\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4e2d\u3060\u304b\u3089\u3067\u3057\u3087\u3046\u3002WordPress\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u3001\u4e2d\u67a2\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u4e2d\u306b\u3054\u304f\u77ed\u6642\u9593<a href=\"https:\/\/staging.kinsta.site\/blog\/wordpress-maintenance-mode\/\">\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30e2\u30fc\u30c9<\/a>\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-31271 size-full\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-open-php-myadmin0.png\" alt=\"mykinsta-open-php-myadmin\" width=\"1427\" height=\"788\" srcset=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-open-php-myadmin0.png 1427w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-open-php-myadmin0-300x166.png 300w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-open-php-myadmin0-1024x565.png 1024w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-open-php-myadmin0-768x424.png 768w\" sizes=\"auto, (max-width: 1427px) 100vw, 1427px\" \/><\/p>\n<p>\u901a\u5e38\u306f\u4e2d\u65ad\u3055\u308c\u308b\u306e\u306f\u3054\u304f\u77ed\u6642\u9593\u306a\u305f\u3081\u3001\u3053\u308c\u306b\u6c17\u3065\u304f\u4eba\u306f\u3044\u307e\u305b\u3093\u3002\u3057\u304b\u3057503\u30a8\u30e9\u30fc\u304c\u7d9a\u304f\u5834\u5408\u306b\u306f\u3001\u3088\u308a\u5927\u304d\u306a\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u4f55\u3068\u8a00\u3063\u3066\u3082\u3001\u95b2\u89a7\u8005\u304c\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3060\u3051\u3067\u306a\u304f\u3001\u7ba1\u7406\u753b\u9762\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3082\u5931\u308f\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002\u3053\u308c\u306f\u3069\u3093\u306a\u624b\u3092\u4f7f\u3063\u3066\u3082\u30b5\u30a4\u30c8\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u4e0d\u53ef\u80fd\u3067\u3001\u554f\u984c\u89e3\u6c7a\u306e\u305f\u3081\u306b\u306f\u30b5\u30a4\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u5fc5\u8981\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<h3>503\u30a8\u30e9\u30fc\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p>503\u30a8\u30e9\u30fc\u306b\u306f\u69d8\u3005\u306a\u8868\u793a\u69d8\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002\u3067\u3059\u304c\u3001\u307b\u307c\u5168\u3066\u306b503\u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u308b\u306e\u3067\u898b\u5206\u3051\u6613\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u3084\u30d6\u30e9\u30a6\u30b6\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u8868\u793a\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<ul>\n<li>503 Service Unavailable<\/li>\n<li>503 Service Temporarily Unavailable<\/li>\n<li>HTTP Server Error 503<\/li>\n<li>HTTP Error 503<\/li>\n<li>Error 503 Service Unavailable<\/li>\n<li>The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.<\/li>\n<\/ul>\n<p>\u8868\u793a\u3055\u308c\u305f\u30b3\u30fc\u30c9\u304c\u3069\u306e\u69d8\u306a\u3082\u306e\u3067\u3042\u308c\u3001\u30a8\u30e9\u30fc\u304c\u95b2\u89a7\u8005\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u524d\u306b\u8fc5\u901f\u306b\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n<h2 id=\"fix-503-error-wordpress\">WordPress\u3067503\u30a8\u30e9\u30fc\u3092\u89e3\u6d88\u3059\u308b\u65b9\u6cd5\uff08\uff16\u3064\u306e\u30b9\u30c6\u30c3\u30d7\uff09<\/h2>\n<p>503\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306f\u3001\u3069\u3093\u306a\u72b6\u6cc1\u3067\u3042\u308c\u5b9a\u304b\u3067\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3001\u9806\u5e8f\u7acb\u3066\u3066\u5bfe\u51e6\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u5fc5\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u306e\uff16\u3064\u306e\u9805\u76ee\u3067\u306f\u3001\u8003\u3048\u3089\u308c\u308b\u7a2e\u3005\u306e\u6839\u672c\u7684\u539f\u56e0\u3092\u89e3\u6c7a\u3059\u308b\u3088\u3046\u3001\u305d\u308c\u305e\u308c\u898b\u8fbc\u307f\u306e\u3042\u308b\u89e3\u6c7a\u7b56\u3092\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5404\u30b9\u30c6\u30c3\u30d7\u3092\u8aad\u3093\u3060\u5f8c\u3001\u3054\u81ea\u8eab\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u623b\u3063\u3066503\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u305f\u304b\u898b\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u3082\u3057\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u305f\u306a\u3089\u3001\u554f\u984c\u306f\u7121\u4e8b\u89e3\u6c7a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u3060\u89e3\u6d88\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u306f\u3001\u5f15\u304d\u7d9a\u304d\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u9032\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\uff11\uff0eWordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u5316\u3059\u308b<\/h3>\n<p>WordPress\u3067\u6700\u3082\u3088\u304f503\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u3082\u306e\u306e\u4e00\u3064\u304c\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u4e92\u63db\u6027\u306e\u554f\u984c\u3067\u3059\u3002\u3053\u308c\u304c\u539f\u56e0\u304b\u7a81\u304d\u6b62\u3081\u308b\u306b\u306f\u3001\u30b5\u30a4\u30c8\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u5168\u3066\u7121\u52b9\u306b\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>503\u30a8\u30e9\u30fc\u306fWordPress\u7ba1\u7406\u753b\u9762\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u59a8\u3052\u308b\u306e\u3067\u3001\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u884c\u3046\u306b\u306fFTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3057\u304a\u6301\u3061\u3067\u306a\u3051\u308c\u3070\u3001<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/best-ftp-clients\/#Filezilla\">FileZilla\u3092\u304a\u52e7\u3081\u3057\u307e\u3059<\/a>\u3002<\/p>\n<p>\u7528\u610f\u304c\u6574\u3063\u305f\u3089<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/best-ftp-clients\/\">FTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/a>\u3092\u4ecb\u3057\u3066\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001WordPress\u306e\u30eb\u30fc\u30c8\u30d5\u30a9\u30eb\u30c0\u3092\u958b\u304d\u307e\u3059\u3002\u3053\u308c\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u3001\u5927\u62b5\u306f public_html\u3001 html\u3001 public\u3001 www\u306a\u3069\u304b\u3001\u30b5\u30a4\u30c8\u540d\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u3002Kinsta\u3092\u304a\u4f7f\u3044\u306e\u65b9\u306f\u3001Public\u30d5\u30a9\u30eb\u30c0\u304c\u30eb\u30fc\u30c8\u30d5\u30a9\u30eb\u30c0\u306b\u5f53\u305f\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1332px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/05\/wordpress-root-folder-sftp.png\" alt=\"WordPress\u30eb\u30fc\u30c8\u30d5\u30a9\u30eb\u30c0SFTP\" width=\"1332\" height=\"370\"><figcaption class=\"wp-caption-text\">WordPress\u30eb\u30fc\u30c8\u30d5\u30a9\u30eb\u30c0SFTP<\/figcaption><\/figure>\n<p>\u30eb\u30fc\u30c8\u30d5\u30a9\u30eb\u30c0\u3092\u958b\u3044\u3066\u3001wp-content\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u9032\u307f\u307e\u3059\u3002\u958b\u304f\u3068plugins\u3068\u3044\u3046\u30d5\u30a9\u30eb\u30c0\u304c\u3042\u308a\u3001\u3053\u3053\u306b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u5404\u3005\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u500b\u3005\u306e\u30b5\u30d6\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u3042\u308a\u307e\u3059\uff08\u6709\u52b9\u30fb\u7121\u52b9\u3069\u3061\u3089\u3082\uff09\u3002<\/p>\n<p>\u3053\u3053\u3067\u4f55\u3092\u3059\u308b\u304b\u3068\u8a00\u3046\u3068\u3001plugins\u30d5\u30a9\u30eb\u30c0\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u4f55\u304b\u5225\u306e\u540d\u524d\u306b\u5909\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u5f8c\u3067\u7c21\u5358\u306b\u898b\u5206\u3051\u3089\u308c\u308b\u69d8\u306b\u3001plugins.old\u3084plugins.deactivated\u306b\u3059\u308b\u306e\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1336px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/05\/wordpress-plugins-folder-renamed-sftp.png\" alt=\"\u540d\u79f0\u5909\u66f4\u5f8c\u306eWordPress plugins\u30d5\u30a9\u30eb\u30c0\" width=\"1336\" height=\"526\"><figcaption class=\"wp-caption-text\">\u540d\u79f0\u5909\u66f4\u5f8c\u306eWordPress plugins\u30d5\u30a9\u30eb\u30c0<\/figcaption><\/figure>\n<p>\u3053\u308c\u3067\u3001WordPress\u306f\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3082\u898b\u3064\u3051\u3089\u308c\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u3046\u306a\u3063\u305f\u5834\u5408\u306b\u306f\u3001WordPress\u306f\u81ea\u52d5\u7684\u306b\u3053\u308c\u3089\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u3055\u3066\u3001WordPress\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3082\u3057503\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u3066\u3044\u308b\u306a\u3089\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u3069\u308c\u304b\u304c\u72af\u4eba\u3060\u3063\u305f\u3068\u63a8\u6e2c\u3067\u304d\u307e\u3059\u3002\u3042\u3068\u306f\u554f\u984c\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u3069\u308c\u304b\u3092\u7279\u5b9a\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n<p>wp-content\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u623b\u308a\u3001\u5143\u306eplugins\u30d5\u30a9\u30eb\u30c0\u3092\u6b63\u3057\u304f\u540d\u79f0\u5909\u66f4\u3057\u307e\u3059\u3002\u7d9a\u3044\u3066\u554f\u984c\u304c\u3042\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u898b\u3064\u3051\u308b\u307e\u3067\u3001\u5404\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4e00\u3064\u305a\u3064\u9806\u306b\u7121\u52b9\u306b\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u308c\u3092\u884c\u3046\u306b\u306fwp-content\/plugins\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u958b\u304d\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3068\u3001\u5404\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u3064\u304d\u4e00\u3064\u305a\u3064\u306e\u30d5\u30a9\u30eb\u30c0\u304c\u898b\u3064\u304b\u308b\u3067\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u884c\u3046\u5de5\u7a0b\u306f\u3053\u308c\u307e\u3067\u3068\u307b\u307c\u540c\u3058\u3067\u3059\uff1a<\/p>\n<ol>\n<li>\u4e00\u756a\u4e0a\u306e\u30d5\u30a9\u30eb\u30c0\u304b\u3089\u59cb\u3081\u3066\u3001\u4efb\u610f\u306e\u540d\u79f0\u306b\u5909\u66f4<\/li>\n<li>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u305f\u304b\u78ba\u8a8d<\/li>\n<li>\u89e3\u6d88\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u524d\u9805\u3067\u5909\u66f4\u3057\u305f\u30d5\u30a9\u30eb\u30c0\u540d\u3092\u5143\u306e\u540d\u79f0\u306b\u623b\u3059<\/li>\n<li>\u30ea\u30b9\u30c8\u4e0a\u306e\u6b21\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u9032\u307f\u3001\u4e0a\u8a18\u306e\u624b\u9806\u3092\u7e70\u308a\u8fd4\u3059<\/li>\n<\/ol>\n<p>\u591a\u6570\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u5165\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u304c\u3001\u5404\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u9806\u306b\u78ba\u304b\u3081\u308b\u306e\u304c\u809d\u5fc3\u3067\u3059\u3002\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3057\u305f\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u3069\u3053\u304b\u306e\u6642\u70b9\u3067\u7a81\u304d\u6b62\u3081\u308c\u3070\u3001\u305d\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u304b\u3001\u4ee3\u308f\u308a\u306e\u30c4\u30fc\u30eb\u3068\u7f6e\u304d\u63db\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u89e3\u6c7a\u7b56\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u307e\u307e\u4e0a\u8a18\u306e\u624b\u9806\u306e\u6700\u5f8c\u307e\u3067\u6765\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u306f\u3001\u5bfe\u51e6\u6cd5\u306e\u6b21\u306e\u30b9\u30c6\u30fc\u30b8\u306b\u9032\u3080\u307e\u3067\u3067\u3059\u3002<\/p>\n<h3>\uff12\uff0eWordPress\u30c6\u30fc\u30de\u3092\u7121\u52b9\u5316\u3059\u308b<\/h3>\n<p>503\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u304b\u3089\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u9664\u5916\u3055\u308c\u305f\u306e\u3067\u3001\u4eca\u5ea6\u306f\u6709\u52b9\u306a\u30c6\u30fc\u30de\u3067\u540c\u3058\u3053\u3068\u3092\u3059\u308b\u756a\u3067\u3059\u3002\u5b9f\u969b\u3001\u304a\u4f7f\u3044\u306e\u30c6\u30fc\u30de\u3082\u4e92\u63db\u6027\u306e\u554f\u984c\u3092\u4f5c\u308a\u51fa\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b8b\u5ff5\u306a\u304c\u3089\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u4e0a\u8a18\u3068\u540c\u69d8\u306b\u306f\u3044\u304d\u307e\u305b\u3093\u3002WordPress\u306f\u5358\u306b\u30c6\u30fc\u30de\u30d5\u30a9\u30eb\u30c0\u3092\u540d\u79f0\u5909\u66f4\u3057\u305f\u3060\u3051\u3067\u306f\u521d\u671f\u30c6\u30fc\u30de\u306b\u623b\u3089\u305a\u3001\u300c\u30c6\u30fc\u30de\u30c7\u30a3\u30ec\u30af\u30c8\u30ea \u201c\u30c6\u30fc\u30de\u540d\u201d \u304c\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u300d\u306a\u3069\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u307e\u305f\u30c6\u30fc\u30de\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30d5\u30a9\u30eb\u30c0\u5168\u4f53\u3092\u540d\u79f0\u5909\u66f4\u3057\u3088\u3046\u3068\u3059\u308c\u3070\u3001\u300c\u30a8\u30e9\u30fc\uff1a\u30c6\u30fc\u30de\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u7a7a\u304b\u3001\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300d\u3068\u306a\u3063\u3066\u3057\u307e\u3046\u3067\u3057\u3087\u3046\u3002<\/p>\n<figure style=\"width: 1580px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/05\/the-theme-directory-does-not-exist.png\" alt=\"\u2015\u30c6\u30fc\u30de\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u5b58\u5728\u3057\u307e\u305b\u3093\u3068\u3044\u3046\u30a8\u30e9\u30fc\" width=\"1580\" height=\"262\"><figcaption class=\"wp-caption-text\">\u30c6\u30fc\u30de\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u5b58\u5728\u3057\u307e\u305b\u3093\u3068\u3044\u3046\u30a8\u30e9\u30fc<\/figcaption><\/figure>\n<p>\u5f93\u3063\u3066\u3001<a href=\"https:\/\/staging.kinsta.site\/docs\/wordpress-phpmyadmin\/\">phpMyAdmin<\/a>\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3066WordPress\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Kinsta\u3092\u304a\u4f7f\u3044\u306e\u5834\u5408\u306f\u3001\u3053\u308c\u306fMyKinsta\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306eInfo\u306e\u9805\u76ee\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_31271\" aria-describedby=\"caption-attachment-31271\" style=\"width: 1427px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-31271 size-full\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-open-php-myadmin0.png\" alt=\"MyKinsta phpMyAdmin\" width=\"1427\" height=\"788\" srcset=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-open-php-myadmin0.png 1427w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-open-php-myadmin0-300x166.png 300w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-open-php-myadmin0-1024x565.png 1024w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-open-php-myadmin0-768x424.png 768w\" sizes=\"auto, (max-width: 1427px) 100vw, 1427px\" \/><figcaption id=\"caption-attachment-31271\" class=\"wp-caption-text\">MyKinsta phpMyAdmin<\/figcaption><\/figure>\n<p>\u300cwp_options\u300d\u306e\u9805\u76ee\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u7d9a\u3044\u3066\u300cSearch\u300d\u30bf\u30d6\u3092\u30af\u30ea\u30c3\u30af\u3002<strong>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/strong>\u306f\u300coption_name\u300d\u306e\u9805\u76ee\u3067\u691c\u7d22\u3059\u308b\u306e\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<figure style=\"width: 1526px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/05\/phpmyadmin-wp-options-template.jpg\" alt=\"phpMyAdmin wp_options\u306e\u9805\u76ee\" width=\"1526\" height=\"1014\"><figcaption class=\"wp-caption-text\">phpMyAdmin wp_options\u306e\u9805\u76ee<\/figcaption><\/figure>\n<p>option_value\u306e\u5217\u306b\u306f\u73fe\u5728\u306e\u30c6\u30fc\u30de\u540d\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u3001\u65e2\u5b58\u306e\u30c6\u30fc\u30de\u540d\u306e\u3069\u308c\u304b\u3001\u4f8b\u3048\u3070\u300cTwentynineteen\u300d\u306b\u5909\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<figure style=\"width: 1326px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/05\/wp-options-template-name.png\" alt=\"wp_options \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u540d\" width=\"1326\" height=\"444\"><figcaption class=\"wp-caption-text\">wp_options \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u540d<\/figcaption><\/figure>\n<p>\u3082\u3046\u4e00\u5ea6\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u3001\u3053\u308c\u3067\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u305f\u304b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3082\u3057\u89e3\u6d88\u3055\u308c\u305f\u306a\u3089\u3001\u3053\u308c\u306f\u5358\u7d14\u306bWordPress\u30c6\u30fc\u30de\u304c\u554f\u984c\u3068\u3044\u3046\u3053\u3068\u3067\u3042\u308a\u3001\u30c6\u30fc\u30de\u3092\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u304b\u76f4\u8fd1\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u623b\u3057\u3066\u307f\u308b\u3068\u826f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<h3>\uff13\uff0e\u4e00\u6642\u7684\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u30fb\u30c7\u30ea\u30d0\u30ea\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09\u3092\u7121\u52b9\u5316\u3059\u308b<\/h3>\n<p>503\u30a8\u30e9\u30fc\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u30fb\u30c7\u30ea\u30d0\u30ea\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09\u304c\u539f\u56e0\u3067\u8d77\u3053\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/wordpress-cdn\/\">CDN\u3092\u4f7f\u3063\u3066\u3044\u308b<\/a>\u5834\u5408\u3001\u7c21\u5358\u306b\u3053\u308c\u304c\u539f\u56e0\u304b\u3092\u78ba\u304b\u3081\u308b\u65b9\u6cd5\u306f\u4e00\u6642\u7684\u306bCDN\u3092\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>CDN\u306f\u3069\u308c\u3082\u30b5\u30fc\u30d3\u30b9\u3092\u4e00\u6642\u505c\u6b62\u3059\u308b\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002Kinsta\u306a\u3089\u3001<a href=\"https:\/\/my.kinsta.com\/?lang=ja\">MyKinsta\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9<\/a>\u4e0a\u3067CDN\u306e\u9805\u76ee\u304b\u3089\u5165\u3063\u3066\u300cDisable CDN\u300d\u306b\u9032\u3081\u3070<a href=\"https:\/\/staging.kinsta.site\/docs\/kinsta-cdn\/\">Kinsta CDN<\/a>\u3092\u7121\u52b9\u306b\u3067\u304d\u307e\u3059\uff1a<\/p>\n<figure id=\"attachment_31342\" aria-describedby=\"caption-attachment-31342\" style=\"width: 1428px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-31342 size-full\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-cdn-options-0-1.png\" alt=\"MyKinsta CDN\u6709\u52b9\/\u7121\u52b9\u30aa\u30d7\u30b7\u30e7\u30f3\" width=\"1428\" height=\"788\" srcset=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-cdn-options-0-1.png 1428w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-cdn-options-0-1-300x166.png 300w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-cdn-options-0-1-1024x565.png 1024w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-cdn-options-0-1-768x424.png 768w\" sizes=\"auto, (max-width: 1428px) 100vw, 1428px\" \/><figcaption id=\"caption-attachment-31342\" class=\"wp-caption-text\">MyKinsta CDN\u6709\u52b9\/\u7121\u52b9\u30aa\u30d7\u30b7\u30e7\u30f3<\/figcaption><\/figure>\n<p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u304a\u4f7f\u3044\u306eCDN\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002Cloudflare\u3082\u6642\u6298503\u30a8\u30e9\u30fc\u3092\u8d77\u3053\u3059\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3082\u3057\u4e00\u6642\u505c\u6b62\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u3001\u304a\u4f7f\u3044\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u77e5\u8b58\u30d9\u30fc\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u3068\u901a\u5e38\u306f\u8a73\u7d30\u306a\u89e3\u8aac\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>CDN\u3092\u4f7f\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u3084\u30b5\u30fc\u30d3\u30b9\u306e\u4e00\u6642\u505c\u6b62\u3067\u554f\u984c\u304c\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u306b\u306f\u3001\u3042\u3068\u5e7e\u3064\u304b\u306e\u89e3\u6c7a\u7b56\u3092\u8a66\u3057\u3066\u307f\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306b\u9032\u3080\u524d\u306b\u3001\u5fd8\u308c\u305a\u306bCDN\u3092\u518d\u5ea6\u6709\u52b9\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\uff14\uff0eWordPress Heartbeat API\u3092\u5236\u9650\u3059\u308b<\/h3>\n<p><a href=\"https:\/\/developer.wordpress.org\/plugins\/javascript\/heartbeat-api\/\">WordPress Heartbeat<\/a>\u306fWordPress\u306b\u88c5\u5099\u3055\u308c\u305fAPI\u3067\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u81ea\u52d5\u4fdd\u5b58\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u901a\u77e5\u306e\u8868\u793a\u3001\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u6295\u7a3f\u3092\u4ed6\u306e\u4eba\u304c\u7de8\u96c6\u3057\u3066\u3044\u308b\u969b\u306e\u901a\u77e5\u3001\u305d\u306e\u4ed6\u69d8\u3005\u306a\u52d5\u4f5c\u306e\u305f\u3081\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u901a\u5e38\u306eheartbeat\u3068\u540c\u69d8\u3001\u3053\u306eAPI\u3082\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u9ad8\u983b\u5ea6\u3067\u50cd\u304f\u3053\u3068\u3067\u4f55\u3082\u9003\u3055\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3054\u60f3\u50cf\u306e\u901a\u308a\u3001\u3053\u306eAPI\u306f\u30b5\u30fc\u30d0\u30fc\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u666e\u901a\u306f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u8ca0\u8377\u306b\u8010\u3048\u3089\u308c\u306a\u3044\u6642\u306b\u306f\u3001\u3053\u308c\u304c503\u30a8\u30e9\u30fc\u306b\u7e4b\u304c\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>Heartbeat API\u304c\u554f\u984c\u306e\u6838\u5fc3\u304b\u3069\u3046\u304b\u3092\u7279\u5b9a\u3059\u308b\u624b\u3063\u53d6\u308a\u65e9\u3044\u65b9\u6cd5\u3068\u3057\u3066\u306f\u3001\u4e00\u6642\u7684\u306b\u3053\u308c\u3092\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u7121\u52b9\u306b\u3059\u308b\u306b\u306f\u3001\u518d\u5ea6FTP\u3092\u901a\u3057\u3066WordPress\u306b\u63a5\u7d9a\u3057\u3066\u73fe\u5728\u306e\u30c6\u30fc\u30de\u30d5\u30a9\u30eb\u30c0\u3092\u958b\u304d\u3001functions.php\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u307e\u3059\uff1a<\/p>\n<figure style=\"width: 1308px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/05\/wordpress-theme-functions-file.png\" alt=\"WordPress\u30c6\u30fc\u30de functions.php\u30d5\u30a1\u30a4\u30eb\" width=\"1308\" height=\"490\"><figcaption class=\"wp-caption-text\">WordPress\u30c6\u30fc\u30de functions.php\u30d5\u30a1\u30a4\u30eb<\/figcaption><\/figure>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066View\/Edit\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u30ed\u30fc\u30ab\u30eb\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u4e0a\u3067\u30d5\u30a1\u30a4\u30eb\u304c\u958b\u304b\u308c\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u304c\u958b\u304b\u308c\u305f\u3089\u3001\u4ee5\u4e0b\u306e\u30b9\u30cb\u30da\u30c3\u30c8\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n<pre><code class=\"language-php\">add_action( 'init', 'stop_heartbeat', 1 );\nfunction stop_heartbeat() {\nwp_deregister_script('heartbeat');\n}<\/code><\/pre>\n<p>\u3053\u306e\uff13\u884c\u306e\u30b3\u30fc\u30c9\u306f\u3001WordPress\u306bHeartbeat API\u3092\u7121\u52b9\u306b\u3059\u308b\u3088\u3046\u6307\u793a\u3059\u308b\u3082\u306e\u3067\u3059\u3002functions.php\u30d5\u30a1\u30a4\u30eb\u4e0a\u3067\u306e\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u3001\u9589\u3058\u3066\u304b\u3089\u3001\u3082\u3046\u4e00\u5ea6\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3078\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>503\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u3066\u3044\u308c\u3070\u3001API\u304c\u554f\u984c\u3060\u3063\u305f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001API\u3092\u5b8c\u5168\u306b\u7121\u52b9\u5316\u3059\u308b\u3068\u591a\u304f\u306e\u6709\u7528\u306a\u6a5f\u80fd\u304c\u5931\u308f\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u4ee3\u308f\u308a\u306b\u3001Heartbeat\u304c\u554f\u984c\u3092\u8d77\u3053\u3055\u306a\u3044\u3088\u3046\u300c\u9045\u304f\u3059\u308b\u300d\u306e\u304c\u304a\u52e7\u3081\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u6700\u3082\u7c21\u5358\u306a\u65b9\u6cd5\u306f<a href=\"https:\/\/wordpress.org\/plugins\/heartbeat-control\/\">Heartbeat Control Plugin<\/a>\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6709\u52b9\u5316\u3057\u3001\u8a2d\u5b9a\u304b\u3089Heartbeat Control\u306e\u9805\u76ee\u3078\u3068\u9032\u307f\u307e\u3057\u3087\u3046\u3002Modify Heartbeat\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u898b\u3064\u3051\u3001\u983b\u5ea6\u3092\u53ef\u80fd\u306a\u9650\u308a\u5c0f\u3055\u3044\u6570\u5024\u306b\u3057\u307e\u3059\uff1a<\/p>\n<figure style=\"width: 801px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/05\/Heartbeat-control-frequency.png\" alt=\"Heartbeat Control\u30d7\u30e9\u30b0\u30a4\u30f3 \u983b\u5ea6\" width=\"801\" height=\"330\"><figcaption class=\"wp-caption-text\">Heartbeat Control\u30d7\u30e9\u30b0\u30a4\u30f3 \u983b\u5ea6<\/figcaption><\/figure>\n<p>\u8a2d\u5b9a\u3067\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u3001\u5c11\u3057\u524d\u306b\u5909\u66f4\u3092\u52a0\u3048\u305ffunctions.php\u30d5\u30a1\u30a4\u30eb\u306b\u623b\u308a\u307e\u3057\u3087\u3046\u3002\u4e0a\u8a18\u306e\u5909\u66f4\u3092\u6a5f\u80fd\u3055\u305b\u308b\u306b\u306f\u3001\u524d\u306b\u8ffd\u52a0\u3057\u305f\u30b3\u30fc\u30c9\u3092\u6d88\u53bb\u3057\u3066\u4fdd\u5b58\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u3082\u3057Heartbeat API\u304c\u539f\u56e0\u3067\u3042\u308c\u3070503\u30a8\u30e9\u30fc\u306f\u89e3\u6d88\u3055\u308c\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002\u3053\u308c\u304c\u539f\u56e0\u3067\u306a\u3044\u5834\u5408\u306b\u306f\u3001\u5c11\u3057\u9055\u3046\u624b\u6bb5\u3092\u8a66\u3059\u6642\u304c\u6765\u305f\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>\uff15\uff0e\u30b5\u30fc\u30d0\u30fc\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u62e1\u5f35\u3059\u308b<\/h3>\n<p>\u3053\u308c\u307e\u3067\u306e\u89e3\u6c7a\u7b56\u3092\u5168\u3066\u8a66\u307f\u305f\u306b\u3082\u95a2\u308f\u3089\u305a505\u30a8\u30e9\u30fc\u304c\u7d9a\u304f\u5834\u5408\u306b\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u305f\u3081\u306b\u554f\u984c\u304c\u8d77\u304d\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u5341\u5206\u306b\u3042\u308a\u307e\u3059\u3002\u8a00\u3044\u63db\u3048\u308c\u3070\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30e9\u30f3\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u554f\u984c\u304c\u89e3\u6c7a\u3059\u308b\u304b\u3092\u898b\u308b\u5fc5\u8981\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u3002<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/cheap-wordpress-hosting\/\">\u683c\u5b89\u306eWordPress\u30db\u30b9\u30c6\u30a3\u30f3\u30b0<\/a>\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u5f80\u3005\u306b\u3057\u3066\u30ea\u30bd\u30fc\u30b9\u3092\u6291\u5236\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u308c\u306f\u5c1a\u66f4\u306e\u3053\u3068\u3067\u3059\u3002Kinsta\u3067\u306f\u30ea\u30bd\u30fc\u30b9\u306e\u6291\u5236\u306f\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3068\u306f\u8a00\u3048\u3001\u30d7\u30e9\u30f3\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u5927\u304d\u306a\u6c7a\u65ad\u306b\u306a\u308a\u307e\u3059\u3002\u8ce2\u3044\u3084\u308a\u65b9\u3068\u3057\u3066\u306f\u3001\u521d\u3081\u306b\u30a6\u30a7\u30d6\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u30b5\u30dd\u30fc\u30c8\u30b5\u30fc\u30d3\u30b9\u306b\u9023\u7d61\u3057\u3066503\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\u76f8\u8ac7\u3057\u3001\u30a8\u30e9\u30fc\u89e3\u6d88\u306e\u305f\u3081\u306b\u3053\u308c\u307e\u3067\u884c\u3063\u305f\u3053\u3068\u306b\u95a2\u3057\u3066\u3082\u8a71\u3059\u3053\u3068\u3067\u3059\u3002\u30b5\u30dd\u30fc\u30c8\u30c1\u30fc\u30e0\u306f\u539f\u56e0\u8ffd\u53ca\u306e\u624b\u4f1d\u3044\u3092\u3057\u3001\u30d7\u30e9\u30f3\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u5fc5\u8981\u304b\u3069\u3046\u304b\u306e\u52a9\u8a00\u3092\u3057\u3066\u304f\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>Kinsta\u3067\u306f\u3001\u30b5\u30dd\u30fc\u30c8\u30c1\u30fc\u30e0\u304c\u559c\u3093\u3067\u72b6\u614b\u3092\u304a\u8abf\u3079\u81f4\u3057\u307e\u3059\u3002\u4e00\u6642\u7684\u306bNew Relic\u3092\u6709\u52b9\u5316\u3057\u3066\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u4e0a\u3067\u969c\u5bb3\u3092\u8d77\u3053\u3057\u3066\u3044\u308b\u3082\u306e\u306b\u554f\u984c\u3092\u7d5e\u308a\u8fbc\u3080\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\uff16\uff0e\u30ed\u30b0\u3092\u95b2\u89a7\u3057\u3066WP_DEBUG\u3092\u6709\u52b9\u5316<\/h3>\n<p><a href=\"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/wordpress-error-log\/\">\u30a8\u30e9\u30fc\u30ed\u30b0<\/a>\u3082\u307e\u305f\u6d3b\u7528\u3059\u3079\u304d\u3067\u3059\u3002Kinsta\u3092\u3054\u5229\u7528\u306e\u5834\u5408\u3001MyKinsta\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306e\u30ed\u30b0\u30d3\u30e5\u30fc\u30a2\u3067\u7c21\u5358\u306b\u30a8\u30e9\u30fc\u3092\u898b\u3066<a href=\"https:\/\/staging.kinsta.site\/blog\/wordpress-debug\/#how-to-enable-wordpress-debug-mode-in-mykinsta\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u306e\u30c7\u30d0\u30c3\u30b0\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3059\u308b<\/a>\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u7279\u306b\u30b5\u30a4\u30c8\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u8d77\u56e0\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u554f\u984c\u304c\u624b\u65e9\u304f\u7d5e\u308a\u8fbc\u307e\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_31272\" aria-describedby=\"caption-attachment-31272\" style=\"width: 1426px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-31272 size-full\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-server-log0.png\" alt=\"503\u30a8\u30e9\u30fc\u306e\u30a8\u30e9\u30fc\u30ed\u30b0\u3092\u78ba\u8a8d\" width=\"1426\" height=\"900\" srcset=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-server-log0.png 1426w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-server-log0-300x189.png 300w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-server-log0-1024x646.png 1024w, https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/mykinsta-server-log0-768x485.png 768w\" sizes=\"auto, (max-width: 1426px) 100vw, 1426px\" \/><figcaption id=\"caption-attachment-31272\" class=\"wp-caption-text\">503\u30a8\u30e9\u30fc\u306e\u30a8\u30e9\u30fc\u30ed\u30b0\u3092\u78ba\u8a8d<\/figcaption><\/figure>\n<p>\u3082\u3057\u304a\u4f7f\u3044\u306e\u30db\u30b9\u30c8\u304c\u30ed\u30b0\u306e\u305f\u3081\u306e\u30c4\u30fc\u30eb\u3092\u5099\u3048\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u306f\u3001\u30ed\u30b0\u3092\u6709\u52b9\u306b\u3059\u308b\u305f\u3081\u306bwp-content.php\u30d5\u30a1\u30a4\u30eb\u306b\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\uff1a<\/p>\n<pre class=\" language-php\"><code class=\" language-php\"><span class=\"token function\">define<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token string\">'WP_DEBUG'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token function\">define<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token string\">'WP_DEBUG_LOG'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token function\">define<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token string\">'WP_DEBUG_DISPLAY'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">false<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<p>\u30ed\u30b0\u306f\u5927\u62b5\u306a\u3089\/wp-content\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067\u3001debug.log\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u3064\u3051\u3066\u958b\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u305d\u306e\u4ed6\u306e\u5834\u5408\u3001Kinsta\u306e\u3088\u3046\u306b\u300clogs\u300d\u3068\u3044\u3046\u5c02\u7528\u306e\u30d5\u30a9\u30eb\u30c0\u304c\u3042\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1298px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/05\/wordpress-error-logs-folder-sftp.png\" alt=\"WordPress \u30a8\u30e9\u30fc\u30ed\u30b0\u30d5\u30a9\u30eb\u30c0\uff08SFTP\uff09\" width=\"1298\" height=\"488\"><figcaption class=\"wp-caption-text\">WordPress \u30a8\u30e9\u30fc\u30ed\u30b0\u30d5\u30a9\u30eb\u30c0\uff08SFTP\uff09<\/figcaption><\/figure>\n<p>\u30c7\u30d0\u30c3\u30b0\u30ed\u30b0\u306e\u8aad\u307f\u53d6\u308a\u306b\u306f\u591a\u5c11\u8170\u304c\u5f15\u3051\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u8aad\u3080\u306e\u306f\u60f3\u50cf\u3059\u308b\u3088\u308a\u3082\u96e3\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u624b\u77ed\u306b\u8a00\u3046\u3068\u3001\u30ed\u30b0\u306f\u30b5\u30a4\u30c8\u306b\u8d77\u304d\u305f\u30a8\u30e9\u30fc\u304c\u6642\u7cfb\u5217\u306b\u4e26\u3093\u3060\u3082\u306e\u3067\u3059\u3002\u30a8\u30e9\u30fc\u306b\u95a2\u308f\u3063\u305f\u30b3\u30fc\u30c9\u3060\u3051\u3067\u306a\u304f\u3001\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u3069\u306e\u30a8\u30e9\u30fc\u3092\u8d77\u3053\u3057\u305f\u304b\u3082\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u30ed\u30b0\u304b\u3089\u306f503\u30a8\u30e9\u30fc\u306e\u76f4\u63a5\u7684\u306a\u8a18\u9332\u306f\u5f97\u3089\u308c\u307e\u305b\u3093\u3002\u305d\u308c\u3067\u3082\u4ed6\u306e\u624b\u6bb5\u304c\u5168\u3066\u5931\u6557\u306b\u7d42\u308f\u3063\u305f\u5834\u5408\u306b\u306f\u3001\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u554f\u984c\u3092\u8d77\u3053\u3057\u3066\u3044\u308b\u304b\u3092\u8868\u793a\u3057\u6307\u91dd\u3092\u793a\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u3053\u308c\u3067\u3001\u6b21\u306b\u4f55\u306b\u6ce8\u529b\u3057\u305f\u3089\u826f\u3044\u306e\u304b\u5206\u304b\u308b\u3068\u3044\u3046\u8a33\u3067\u3059\u3002\u524d\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u3082\u8ff0\u3079\u305f\u3088\u3046\u306b\u3001\u3082\u3057\u30a8\u30e9\u30fc\u89e3\u6d88\u306e\u66f4\u306a\u308b\u624b\u52a9\u3051\u304c\u5fc5\u8981\u3067\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u306b\u9023\u7d61\u3059\u308b\u306a\u3089\u3001\u4eca\u304c\u305d\u306e\u6642\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f<a href=\"https:\/\/staging.kinsta.site\/knowledgebase\/what-is-apache\/\">Apache<\/a>\u3068<a href=\"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/what-is-nginx\/\">Nginx<\/a>\u3067\u3082\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3067\u304d\u3001\u3053\u308c\u3089\u306f\u4e00\u822c\u306b\u4ee5\u4e0b\u306e\u5834\u6240\u306b\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>Apache:<\/strong>\u00a0\/var\/log\/apache2\/error.log<\/li>\n<li><strong>Nginx:<\/strong>\u00a0\/var\/log\/nginx\/error.log<\/li>\n<\/ul>\n<p>\u3088\u308a\u8a73\u3057\u304f\u306f\u3001<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/nginx-vs-apache\/\">\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u5bfe\u6c7a\uff1aNginx vs Apache<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>Kinsta\u3092\u304a\u4f7f\u3044\u306a\u3089\u3001<a href=\"https:\/\/staging.kinsta.site\/docs\/mykinsta-analytics\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u5206\u6790\u30c4\u30fc\u30eb<\/a>\u3092\u6d3b\u7528\u3057\u3066\u5168\u3066\u306e503\u30a8\u30e9\u30fc\u306e\u5185\u8a33\u3084\u30a8\u30e9\u30fc\u306e\u983b\u5ea6\u3068\u8d77\u304d\u305f\u6642\u523b\u3092\u898b\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3082\u3057\u554f\u984c\u304c\u7d99\u7d9a\u7684\u306a\u3082\u306e\u306a\u3089\u3053\u308c\u304c\u5f79\u7acb\u3061\u307e\u3059\u3057\u3001\u305d\u3046\u3067\u306a\u3044\u306a\u3089\u81ea\u305a\u3068\u89e3\u6c7a\u3059\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>503\u30a8\u30e9\u30fc\u304c\u81f4\u547d\u7684\u306aPHP\u306e\u30a8\u30e9\u30fc\u306b\u3088\u3063\u3066\u73fe\u308c\u305f\u5834\u5408\u3001PHP\u30a8\u30e9\u30fc\u306e\u5831\u544a\u3092\u6709\u52b9\u5316\u3057\u3066\u307f\u3066\u3082\u826f\u3044\u3067\u3057\u3087\u3046\u3002\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u306b\u4e0b\u8a18\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u3059\u3002\u901a\u5e38\u3001Google Chrome DevTools\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u7d5e\u308a\u8fbc\u3081\u307e\u3059\u3002<\/p>\n<pre class=\" language-php\"><code class=\" language-php\"><span class=\"token function\">ini_set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'display_errors'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token function\">ini_set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'display_startup_errors'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token function\">error_reporting<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">E_ALL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<p>\u305d\u308c\u304b\u3089\u3001php.ini\u30d5\u30a1\u30a4\u30eb\u306b\u4ee5\u4e0b\u306e\u4fee\u98fe\u3092\u52a0\u3048\u308b\u5fc5\u8981\u3082\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<pre class=\" language-php\"><code class=\" language-php\">display_errors <span class=\"token operator\">=<\/span> on<\/code><\/pre>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u904b\u304c\u826f\u3051\u308c\u3070\u3001503\u30a8\u30e9\u30fc\u306f\u30b5\u30a4\u30c8\u3092\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30e2\u30fc\u30c9\u306b\u3057\u305f\u6642\u3057\u304b\u73fe\u308c\u306a\u3044\u3067\u3057\u3087\u3046\u3002\u3057\u304b\u3057\u3001\u4f55\u306e\u8b66\u544a\u3082\u306a\u3057\u306b\u73fe\u308c\u308b\u5834\u5408\u306b\u306f\u3001\u8179\u3092\u304f\u304f\u3063\u3066\u554f\u984c\u89e3\u6c7a\u306b\u7740\u624b\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>503\u30a8\u30e9\u30fc\u306e\u6839\u672c\u539f\u56e0\u306b\u8fbf\u308a\u7740\u304f\u306b\u306f\u3001\u6b21\u306e\uff16\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u8ffd\u3063\u3066\u554f\u984c\u89e3\u6c7a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li>WordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u5316\u3059\u308b<\/li>\n<li>WordPress\u306e\u30c6\u30fc\u30de\u3092\u7121\u52b9\u5316\u3059\u308b<\/li>\n<li>CDN\u3092\u7121\u52b9\u5316\u3059\u308b<\/li>\n<li>WordPress Heartbeat API\u3092\u5236\u9650\u3059\u308b<\/li>\n<li>\u30b5\u30fc\u30d0\u30fc\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u62e1\u5f35\u3059\u308b<\/li>\n<li>\u30ed\u30b0\u3092\u78ba\u8a8d\u3057\u3001WP_DEBUG\u3092\u6709\u52b9\u5316\u3059\u308b<\/li>\n<\/ul>\n<p>WordPress\u3092\u304a\u4f7f\u3044\u306e\u969b\u306bHTTP 503\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u304b\uff1f\u4e0b\u306e\u30b3\u30e1\u30f3\u30c8\u6b04\u3067\u3001\u3042\u306a\u305f\u306e\u7d4c\u9a13\u3092\u304a\u805e\u304b\u305b\u304f\u3060\u3055\u3044\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WordPress\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3068\u3001\u6016 &#8230;<\/p>\n","protected":false},"author":103,"featured_media":23747,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[45,36],"topic":[],"class_list":["post-23732","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-webdev","tag-wordpress"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.1.2 (Yoast SEO v25.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>WordPress\u3067\u306e\u300cHTTP 503 Service Unavailable\u300d\u30a8\u30e9\u30fc\u306e\u5bfe\u51e6\u6cd5<\/title>\n<meta name=\"description\" content=\"WordPress\u3067\u306e\u300cHTTP 503 Service Unavailable\u300d\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u304b\uff1f6\u3064\u306e\u7c21\u5358\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u306e\u51e6\u7406\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/staging.kinsta.site\/jp\/blog\/http-503-survice-unavailable\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WordPress\u3067\u306e\u300cHTTP 503 Service Unavailable\u300d\u30a8\u30e9\u30fc\u306e\u5bfe\u51e6\u6cd5\" \/>\n<meta property=\"og:description\" content=\"WordPress\u3067\u306e\u300cHTTP 503 Service Unavailable\u300d\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u304b\uff1f6\u3064\u306e\u7c21\u5358\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u306e\u51e6\u7406\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/staging.kinsta.site\/jp\/blog\/http-503-survice-unavailable\/\" \/>\n<meta property=\"og:site_name\" content=\"Kinsta\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-07-31T09:54:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-02-26T09:17:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/503-Service-Unavailable-Error-WordPress.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1460\" \/>\n\t<meta property=\"og:image:height\" content=\"730\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Matteo Du\u00f2\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"WordPress\u3067\u306e\u300cHTTP 503 Service Unavailable\u300d\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u304b\uff1f6\u3064\u306e\u7c21\u5358\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u306e\u51e6\u7406\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/07\/503-Service-Unavailable-Error-WordPress.png\" \/>\n<meta name=\"twitter:creator\" content=\"@matteoduo\" \/>\n<meta name=\"twitter:site\" content=\"@Kinsta_JP\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Matteo Du\u00f2\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/staging.kinsta.site\/jp\/blog\/http-503-survice-unavailable\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/staging.kinsta.site\/jp\/blog\/http-503-survice-unavailable\/\"},\"author\":{\"name\":\"Matteo Du\u00f2\",\"@id\":\"https:\/\/staging.kinsta.site\/jp\/#\/schema\/person\/34132b3a6309f09be9e2a07881f133be\"},\"headline\":\"WordPress\u3067\u306e\u300cHTTP 503 Service 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