{"id":15052,"date":"2026-10-07T13:43:11","date_gmt":"2026-10-07T04:43:11","guid":{"rendered":"https:\/\/code-plus.jp\/gp\/?p=15052"},"modified":"2026-10-07T13:50:47","modified_gmt":"2026-10-07T04:50:47","slug":"wp-image-management-15052","status":"publish","type":"post","link":"https:\/\/code-plus.jp\/gp\/wp-image-management-15052\/","title":{"rendered":"WordPress\u306e\u753b\u50cf\u7ba1\u7406\uff5c\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u753b\u50cf\u3092\u6700\u9069\u306a\u30b5\u30a4\u30ba\u3067\u8868\u793a\u3059\u308b\u4ed5\u7d44\u307f"},"content":{"rendered":"<!--\r\ntitle: WordPress\u306e\u753b\u50cf\u7ba1\u7406\uff5c\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u753b\u50cf\u3092\u6700\u9069\u306a\u30b5\u30a4\u30ba\u3067\u8868\u793a\u3059\u308b\u4ed5\u7d44\u307f\r\ndescription: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u3069\u3093\u306a\u5927\u304d\u3055\u306e\u753b\u50cf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3066\u3082\u3001WordPress\u3067\u6700\u9069\u306a\u30b5\u30a4\u30ba\u3092\u8868\u793a\u3059\u308b\u4ed5\u7d44\u307f\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u753b\u50cf\u30b5\u30a4\u30ba\u306e\u767b\u9332\u3001\u30e1\u30c7\u30a3\u30a2\u633f\u5165\u6642\u306e\u521d\u671f\u30b5\u30a4\u30ba\u3092\u300c\u5927\u300d\u306b\u56fa\u5b9a\u3059\u308b\u30b3\u30fc\u30c9\u3001srcset\u306e\u52b9\u304d\u65b9\u3001\u7e2e\u5c0f\u306e\u76ee\u5b89\u3001alt\u306e\u4ed8\u3051\u65b9\u307e\u3067\u307e\u3068\u3081\u307e\u3057\u305f\u3002\r\ntags: WordPress, \u753b\u50cf\u7ba1\u7406, \u753b\u50cf\u30b5\u30a4\u30ba, add_image_size, srcset, functions.php, \u30e1\u30c7\u30a3\u30a2\u633f\u5165, \u753b\u50cf\u6700\u9069\u5316, alt\u5c5e\u6027, \u8868\u793a\u901f\u5ea6\r\n-->\r\n\r\n<p class=\"fz-ss\">\u30b3\u30fc\u30dd\u30ec\u30fc\u30c8\u30b5\u30a4\u30c8\u306e SEO \u30c1\u30a7\u30c3\u30af\u3092\u3057\u305f\u3068\u3053\u308d\u3001PageSpeed Insights \u3067\u300c\u753b\u50cf\u914d\u4fe1\u3092\u6539\u5584\u3059\u308b\u300d\u3068\u3044\u3046\u6307\u6458\u304c\u591a\u304f\u51fa\u307e\u3057\u305f\u3002\u539f\u56e0\u3092\u8abf\u3079\u308b\u3068\u3001\u8868\u793a\u5e45\u304c 300px \u307b\u3069\u306e\u5199\u771f\u306b 3000\u00d72000px \u306e\u5143\u753b\u50cf\u304c\u305d\u306e\u307e\u307e\u4f7f\u308f\u308c\u3066\u3044\u305f\u308a\u3001\u30cb\u30e5\u30fc\u30b9\u8a18\u4e8b\u306b 3000px \u306e\u5199\u771f\u304c\u30d5\u30eb\u30b5\u30a4\u30ba\u3067\u633f\u5165\u3055\u308c\u3066\u3044\u305f\u308a\u3057\u307e\u3057\u305f\u3002<\/p>\r\n<p class=\"fz-ss\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u81ea\u5206\u3067\u8a18\u4e8b\u3092\u66f8\u304f\u30b5\u30a4\u30c8\u3067\u306f\u3001\u3069\u3093\u306a\u5927\u304d\u3055\u306e\u753b\u50cf\u304c\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3082\u3001\u8868\u793a\u3059\u308b\u5e45\u306b\u5408\u3063\u305f\u30b5\u30a4\u30ba\u3067\u8868\u793a\u3055\u308c\u308b\u4ed5\u7d44\u307f\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001WordPress \u306e\u30c6\u30fc\u30de\u5074\u3067\u884c\u3063\u3066\u3044\u308b\u753b\u50cf\u7ba1\u7406\u306e\u8a2d\u5b9a\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\r\n\r\n<p class=\"fz-ss mt-1r\">\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u305f\u753b\u50cf\u306e\u7e2e\u5c0f\u30fb\u5727\u7e2e\u30fbWebP \u5909\u63db\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u300cEWWW Image Optimizer\u300d\u3067\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8a2d\u5b9a\u306f\u300c<a href=\"\/gp\/ewww-image-optimizer-15042\/\" class=\"link\">EWWW Image Optimizer\u306e\u8a2d\u5b9a\uff5c\u7121\u6599\u7248\u3067\u753b\u50cf\u3092\u81ea\u52d5\u5727\u7e2e\u30fbWebP\u5316\u3059\u308b\u624b\u9806<\/a>\u300d\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\r\n\r\n<a href=\"https:\/\/code-plus.jp\/gp\/ewww-image-optimizer-15042\/\" class=\"linkbox my-1.5r\">\n<strong class=\"linkbox-title fz-md\">EWWW Image Optimizer\u306e\u8a2d\u5b9a\uff5c\u7121\u6599\u7248\u3067\u753b\u50cf\u3092\u81ea\u52d5\u5727\u7e2e\u30fbWebP\u5316\u3059\u308b\u624b\u9806 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09<\/strong>\n\n<span class=\"linkbox-excerpt\">WordPress\u306e\u753b\u50cf\u6700\u9069\u5316\u30d7\u30e9\u30b0\u30a4\u30f3\u300cEWWW Image Optimizer\u300d\u3092\u7121\u6599\u7248\u3067\u4f7f\u3046\u3068\u304d\u306e\u8a2d\u5b9a\u3092\u3001\u30bf\u30d6\u3054\u3068\u306b\u753b\u9762\u3064\u304d\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002\u6700\u5927\u753b\u50cf\u30b5\u30a4\u30ba2560px\u3001\u30d4\u30af\u30bb\u30eb\u30d1\u30fc\u30d5\u30a7\u30af\u30c8\u5727\u7e2e\u3001WebP\u5909\u63db\u3068\u30ea\u30e9\u30a4\u30c8\u30eb\u30fc\u30eb\u306e\u8a2d\u5b9a\u3001\u6709\u6599\u306e\u300c\u7c21\u5358I...\n&emsp;<u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\n<\/span>\n<\/a>\r\n\r\n<!-- \u2756\u76ee\u6b21\u30ea\u30b9\u30c8 -->\r\n<nav class=\"tocList mt-1.5r\" data-toc-id=\"js-tocBWGD\" style=\"height:28rem\"><\/nav>\r\n<nav class=\"tocBtn is-fixed\" data-toc-id=\"js-tocBWGD\"><\/nav>\r\n\r\n<h2 id=\"\u5168\u4f53\u306e\u6d41\u308c\" class=\"fz-xl\">\u5168\u4f53\u306e\u6d41\u308c<\/h2>\r\n<p class=\"fz-ss\">\u753b\u50cf\u306f\u3001\u6b21\u306e3\u6bb5\u968e\u3067\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<table class=\"table my-0.75r\">\r\n  <thead>\r\n    <tr>\r\n      <th>\u6bb5\u968e<\/th>\r\n      <td>\u62c5\u5f53<\/td>\r\n      <td>\u5185\u5bb9<\/td>\r\n    <\/tr>\r\n  <\/thead>\r\n  <tbody>\r\n    <tr>\r\n      <th>\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642<\/th>\r\n      <td>EWWW Image Optimizer<\/td>\r\n      <td>\u9577\u3044\u8fba\u3092 2560px \u307e\u3067\u306b\u7e2e\u5c0f\u3057\u3001\u5727\u7e2e\u3068 WebP \u306e\u4f5c\u6210\u3092\u884c\u3046<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <th>\u30b5\u30a4\u30ba\u306e\u751f\u6210<\/th>\r\n      <td>\u30c6\u30fc\u30de\uff08<code>functions.php<\/code>\uff09<\/td>\r\n      <td>\u672c\u6587\u7528\uff081200px\uff09\u3068\u4e00\u89a7\u7528\uff08768px\uff09\u306a\u3069\u306e\u7e2e\u5c0f\u7248\u3092\u4f5c\u308b<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <th>\u633f\u5165\u30fb\u8868\u793a<\/th>\r\n      <td>\u30c6\u30fc\u30de\uff08<code>functions.php<\/code>\uff09\u3068 WordPress \u672c\u4f53<\/td>\r\n      <td>\u672c\u6587\u306b\u306f\u300c\u5927\uff081200px\uff09\u300d\u3067\u633f\u5165\u3057\u3001<code>srcset<\/code> \u3067\u753b\u9762\u306b\u5408\u3063\u305f\u30b5\u30a4\u30ba\u3092\u8868\u793a\u3059\u308b<\/td>\r\n    <\/tr>\r\n  <\/tbody>\r\n<\/table>\r\n<h2 id=\"\u753b\u50cf\u30b5\u30a4\u30ba\u306e\u767b\u9332\" class=\"fz-xl\">\u753b\u50cf\u30b5\u30a4\u30ba\u306e\u767b\u9332<\/h2>\r\n<p class=\"fz-ss\">WordPress \u306f\u3001\u753b\u50cf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3073\u306b\u3001\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u30b5\u30a4\u30ba\u306e\u7e2e\u5c0f\u7248\u3092\u4f5c\u308a\u307e\u3059\u3002\u521d\u671f\u72b6\u614b\u3067\u306f\u3001\u4f7f\u308f\u306a\u3044\u30b5\u30a4\u30ba\u307e\u3067\u4f5c\u3089\u308c\u308b\u306e\u3067\u3001\u30c6\u30fc\u30de\u5074\u3067\u6574\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<pre><code class=\"language-php\">\/\/\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u306e\u6709\u52b9\u5316\r\nadd_theme_support('post-thumbnails');\r\n\r\n\/\/\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u30fb\u30b5\u30e0\u30cd\u30a4\u30eb\u753b\u50cf\u30b5\u30a4\u30ba\u306e\u8a2d\u5b9a\r\nfunction mythumbnails_setup() {\r\n  \/\/\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u30b5\u30a4\u30ba\u3092\u4f5c\u6210\u3057\u306a\u3044\r\n  add_image_size('medium', 0, 0);\r\n  add_image_size('1536x1536', 0, 0);\r\n  add_image_size('2048x2048', 0, 0);\r\n  add_image_size('et-pb-post-main-image', 0, 0);\r\n  add_image_size('et-pb-post-main-image-fullwidth', 0, 0);\r\n  add_image_size('et-pb-portfolio-image', 0, 0);\r\n  add_image_size('et-pb-portfolio-module-image', 0, 0);\r\n  add_image_size('et-pb-portfolio-image-single', 0, 0);\r\n  add_image_size('et-pb-gallery-module-image-portrait', 0, 0);\r\n  \/\/\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u30b5\u30a4\u30ba\u3092\u8ffd\u52a0\u3059\u308b\r\n  add_image_size('thumbnail', 300, 300, true); \/\/\u7ba1\u7406\u753b\u9762\u30e1\u30c7\u30a3\u30a2\u4e00\u89a7\u7528, true = \u5207\u308a\u629c\u304f\r\n  add_image_size('medium_large', 768, 0);      \/\/\u4e00\u89a7\u7528, 0 = \u9ad8\u3055\u7121\u5236\u9650\r\n  add_image_size('large', 1200, 0);            \/\/\u672c\u6587\u7528, 0 = \u9ad8\u3055\u7121\u5236\u9650\r\n}\r\nadd_action('after_setup_theme', 'mythumbnails_setup');<\/code><\/pre>\r\n<p class=\"fz-ss\">\u5e45\u3068\u9ad8\u3055\u306b 0 \u3092\u6307\u5b9a\u3057\u305f\u30b5\u30a4\u30ba\u306f\u4f5c\u3089\u308c\u307e\u305b\u3093\u3002<code>et-pb-<\/code> \u3067\u59cb\u307e\u308b\u30b5\u30a4\u30ba\u306f\u3001\u4ee5\u524d\u4f7f\u3063\u3066\u3044\u305f\u30c6\u30fc\u30de\uff08Divi\uff09\u304c\u767b\u9332\u3057\u3066\u3044\u305f\u3082\u306e\u3067\u3059\u3002\u30c6\u30fc\u30de\u3092\u66ff\u3048\u3066\u3082\u8a2d\u5b9a\u304c\u6b8b\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308b\u306e\u3067\u3001\u307e\u3068\u3081\u3066\u6b62\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<p class=\"fz-ss\">\u6b8b\u3059\u306e\u306f\u3001\u6b21\u306e3\u3064\u3060\u3051\u3067\u3059\u3002<\/p>\r\n<table class=\"table my-0.75r\">\r\n  <thead>\r\n    <tr>\r\n      <th>\u30b5\u30a4\u30ba\u540d<\/th>\r\n      <td>\u5927\u304d\u3055<\/td>\r\n      <td>\u7528\u9014<\/td>\r\n    <\/tr>\r\n  <\/thead>\r\n  <tbody>\r\n    <tr>\r\n      <th>thumbnail<\/th>\r\n      <td>300\u00d7300\uff08\u5207\u308a\u629c\u304d\uff09<\/td>\r\n      <td>\u7ba1\u7406\u753b\u9762\u306e\u30e1\u30c7\u30a3\u30a2\u4e00\u89a7<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <th>medium_large<\/th>\r\n      <td>\u5e45 768px<\/td>\r\n      <td>\u4e00\u89a7\u30da\u30fc\u30b8<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <th>large<\/th>\r\n      <td>\u5e45 1200px<\/td>\r\n      <td>\u8a18\u4e8b\u306e\u672c\u6587<\/td>\r\n    <\/tr>\r\n  <\/tbody>\r\n<\/table>\r\n<h3 id=\"\u8a2d\u5b9a--\u30e1\u30c7\u30a3\u30a2\u306e\u6570\u5024\u306f\u4f7f\u308f\u306a\u3044\" class=\"fz-ml\">\u300c\u8a2d\u5b9a \u203a \u30e1\u30c7\u30a3\u30a2\u300d\u306e\u6570\u5024\u306f\u4f7f\u308f\u306a\u3044<\/h3>\r\n<p class=\"fz-ss\"><code>add_image_size()<\/code> \u3067\u767b\u9332\u3057\u305f\u30b5\u30a4\u30ba\u306f\u3001\u7ba1\u7406\u753b\u9762\u306e\u300c\u8a2d\u5b9a \u203a \u30e1\u30c7\u30a3\u30a2\u300d\u306e\u6570\u5024\u3088\u308a\u512a\u5148\u3055\u308c\u307e\u3059\u3002\u753b\u9762\u306e\u6570\u5024\u3092\u5909\u3048\u3066\u3082\u53cd\u6620\u3055\u308c\u306a\u3044\u306e\u3067\u3001\u8ff7\u308f\u306a\u3044\u3088\u3046\u306b\u753b\u9762\u306b\u6848\u5185\u3092\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<pre><code class=\"language-php\">\/\/\u30e1\u30c7\u30a3\u30a2\u8a2d\u5b9a\u753b\u9762\u306b\u3001\u753b\u50cf\u30b5\u30a4\u30ba\u3092\u30c6\u30fc\u30de\u5074\u3067\u7ba1\u7406\u3057\u3066\u3044\u308b\u65e8\u3092\u8868\u793a\u3059\u308b\r\nfunction media_settings_notice() {\r\n  $screen = get_current_screen();\r\n  if (!$screen || $screen-&gt;id !== 'options-media') return;\r\n\r\n  echo '&lt;div class=\"notice notice-info\"&gt;&lt;p&gt;'\r\n     . '\u753b\u50cf\u30b5\u30a4\u30ba\u306f &lt;code&gt;themes\/zaratan\/functions.php&lt;\/code&gt; \u306e &lt;code&gt;mythumbnails_setup()&lt;\/code&gt; \u3067\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002'\r\n     . '\u3053\u306e\u753b\u9762\u306e\u6570\u5024\u3092\u5909\u66f4\u3057\u3066\u3082\u53cd\u6620\u3055\u308c\u307e\u305b\u3093\u3002'\r\n     . '&lt;\/p&gt;&lt;\/div&gt;';\r\n}\r\nadd_action('admin_notices', 'media_settings_notice');<\/code><\/pre>\r\n<h3 id=\"2560px-\u3092\u8d85\u3048\u308b\u753b\u50cf\u306f-ewww-\u3067\u7e2e\u5c0f\u3059\u308b\" class=\"fz-ml\">2560px \u3092\u8d85\u3048\u308b\u753b\u50cf\u306f EWWW \u3067\u7e2e\u5c0f\u3059\u308b<\/h3>\r\n<p class=\"fz-ss\">WordPress \u672c\u4f53\u306f\u30012560px \u3092\u8d85\u3048\u308b\u753b\u50cf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3068\u3001\u5143\u753b\u50cf\u3092\u6b8b\u3057\u305f\u307e\u307e <code>-scaled<\/code> \u3068\u3044\u3046\u7e2e\u5c0f\u7248\u3092\u4f5c\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u306e\u69cb\u6210\u3067\u306f\u3001EWWW \u306e\u300c\u6700\u5927\u753b\u50cf\u30b5\u30a4\u30ba\u300d\u3067\u5143\u753b\u50cf\u305d\u306e\u3082\u306e\u3092 2560px \u307e\u3067\u306b\u7e2e\u5c0f\u3059\u308b\u306e\u3067\u3001\u672c\u4f53\u306e\u6a5f\u80fd\u306f\u6b62\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<pre><code class=\"language-php\">\/\/2560px\u4ee5\u4e0a\u306e\u753b\u50cf(scaled)\u306e\u81ea\u52d5\u751f\u6210\u3092\u505c\u6b62\r\nadd_filter('big_image_size_threshold', '__return_false');<\/code><\/pre>\r\n<h2 id=\"\u30e1\u30c7\u30a3\u30a2\u633f\u5165\u6642\u306e\u521d\u671f\u30b5\u30a4\u30ba\u3092\u5927\u306b\u56fa\u5b9a\u3059\u308b\" class=\"fz-xl\">\u30e1\u30c7\u30a3\u30a2\u633f\u5165\u6642\u306e\u521d\u671f\u30b5\u30a4\u30ba\u3092\u300c\u5927\u300d\u306b\u56fa\u5b9a\u3059\u308b<\/h2>\r\n<p class=\"fz-ss\">\u7e2e\u5c0f\u7248\u3092\u4f5c\u3063\u3066\u3082\u3001\u8a18\u4e8b\u306b\u300c\u30d5\u30eb\u30b5\u30a4\u30ba\u300d\u3067\u633f\u5165\u3055\u308c\u308b\u3068\u30012560px \u306e\u753b\u50cf\u304c\u8aad\u307f\u8fbc\u307e\u308c\u307e\u3059\u3002\u5b9f\u969b\u306b\u3001\u30cb\u30e5\u30fc\u30b9\u8a18\u4e8b\u306e\u5199\u771f\u304c <code>size-full<\/code> \u3067\u633f\u5165\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\r\n<p class=\"fz-ss\">WordPress \u306f\u3001\u30e1\u30c7\u30a3\u30a2\u3092\u633f\u5165\u3059\u308b\u3068\u304d\u306b\u524d\u56de\u9078\u3093\u3060\u30b5\u30a4\u30ba\u3092\u899a\u3048\u3066\u3044\u3066\u3001\u6b21\u56de\u3082\u305d\u306e\u30b5\u30a4\u30ba\u3092\u521d\u671f\u5024\u306b\u3057\u307e\u3059\u3002\u4e00\u5ea6\u3067\u3082\u300c\u30d5\u30eb\u30b5\u30a4\u30ba\u300d\u3092\u9078\u3076\u3068\u3001\u305d\u308c\u4ee5\u964d\u3082\u30d5\u30eb\u30b5\u30a4\u30ba\u304c\u9078\u3070\u308c\u305f\u307e\u307e\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u6b21\u306e2\u3064\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u6bce\u56de\u300c\u5927\uff08large\uff09\u300d\u304b\u3089\u59cb\u307e\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\r\n<pre><code class=\"language-php\">\/\/\u30e1\u30c7\u30a3\u30a2\u633f\u5165\u6642\u306e\u753b\u50cf\u30b5\u30a4\u30ba\u3092\u3001\u6bce\u56de\u300c\u5927\uff08large\uff09\u300d\u306b\u3059\u308b\r\nadd_filter('pre_option_image_default_size', function () {\r\n  return 'large';\r\n});\r\n\r\nfunction reset_media_insert_size() {\r\n  ?&gt;\r\n  &lt;script&gt;\r\n  (function () {\r\n    function resetImgSize() {\r\n      if (typeof window.setUserSetting === 'function') {\r\n        window.setUserSetting('imgsize', 'large');\r\n      }\r\n    }\r\n    \/\/\u7ba1\u7406\u753b\u9762\u3092\u958b\u3044\u305f\u3068\u304d\r\n    resetImgSize();\r\n    \/\/\u30e1\u30c7\u30a3\u30a2\u306e\u8ffd\u52a0\u753b\u9762\uff08\u30e2\u30fc\u30c0\u30eb\uff09\u3092\u958b\u304f\u305f\u3073\r\n    if (window.wp &amp;&amp; wp.media &amp;&amp; wp.media.view &amp;&amp; wp.media.view.Modal) {\r\n      var originalOpen = wp.media.view.Modal.prototype.open;\r\n      wp.media.view.Modal.prototype.open = function () {\r\n        resetImgSize();\r\n        return originalOpen.apply(this, arguments);\r\n      };\r\n    }\r\n  })();\r\n  &lt;\/script&gt;\r\n  &lt;?php\r\n}\r\nadd_action('admin_print_footer_scripts', 'reset_media_insert_size', 99);<\/code><\/pre>\r\n<p class=\"fz-ss\"><code>pre_option_image_default_size<\/code> \u306f\u3001WordPress \u306e\u65e2\u5b9a\u306e\u633f\u5165\u30b5\u30a4\u30ba\uff08<code>image_default_size<\/code>\uff09\u3092 <code>large<\/code> \u306b\u56fa\u5b9a\u3059\u308b\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u3059\u3002\u300c\u8a2d\u5b9a \u203a \u30e1\u30c7\u30a3\u30a2\u300d\u306b\u306f\u3001\u3053\u306e\u5024\u3092\u5909\u3048\u308b\u9805\u76ee\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\r\n<p class=\"fz-ss\">\u524d\u56de\u9078\u3093\u3060\u30b5\u30a4\u30ba\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u8a2d\u5b9a\u306e <code>imgsize<\/code> \u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u3066\u3001\u65e2\u5b9a\u5024\u3088\u308a\u512a\u5148\u3055\u308c\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u7ba1\u7406\u753b\u9762\u3092\u958b\u3044\u305f\u3068\u304d\u3068\u300c\u30e1\u30c7\u30a3\u30a2\u3092\u8ffd\u52a0\u300d\u306e\u753b\u9762\u3092\u958b\u304f\u305f\u3073\u306b\u3001<code>setUserSetting('imgsize', 'large')<\/code> \u3067\u300c\u5927\u300d\u306b\u623b\u3057\u3066\u3044\u307e\u3059\u3002\u8a18\u4e8b\u306e\u4f5c\u6210\u4e2d\u306b\u5225\u306e\u30b5\u30a4\u30ba\u3092\u9078\u3076\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\u3001\u6b21\u306b\u753b\u9762\u3092\u958b\u3044\u305f\u3068\u304d\u306f\u300c\u5927\u300d\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002<\/p>\r\n<p class=\"fz-ss\">\u306a\u304a\u3001\u5e45\u304c 1200px \u672a\u6e80\u306e\u753b\u50cf\u306b\u306f\u300c\u5927\u300d\u306e\u7e2e\u5c0f\u7248\u304c\u4f5c\u3089\u308c\u306a\u3044\u306e\u3067\u3001\u305d\u306e\u5834\u5408\u306f WordPress \u304c\u81ea\u52d5\u3067\u30d5\u30eb\u30b5\u30a4\u30ba\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\r\n<h2 id=\"srcset-\u3067\u753b\u9762\u306b\u5408\u3063\u305f\u30b5\u30a4\u30ba\u3092\u8868\u793a\u3059\u308b\" class=\"fz-xl\">srcset \u3067\u753b\u9762\u306b\u5408\u3063\u305f\u30b5\u30a4\u30ba\u3092\u8868\u793a\u3059\u308b<\/h2>\r\n<p class=\"fz-ss\">\u672c\u6587\u306b\u753b\u50cf\u3092\u633f\u5165\u3059\u308b\u3068\u3001WordPress \u306f <code>srcset<\/code> \u3068 <code>sizes<\/code> \u3092\u81ea\u52d5\u3067\u4ed8\u3051\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306f\u3001\u753b\u9762\u306e\u5e45\u3068\u89e3\u50cf\u5ea6\u306b\u5408\u308f\u305b\u3066\u3001<code>srcset<\/code> \u306e\u4e2d\u304b\u3089\u3001\u8868\u793a\u306b\u8db3\u308a\u308b\u6700\u5c0f\u306e\u30b5\u30a4\u30ba\u3092\u9078\u3073\u307e\u3059\u3002<\/p>\r\n<pre><code class=\"language-html\">&lt;img src=\"\u2026\/photo-1200x800.jpg\"\r\n  srcset=\"\u2026\/photo-1200x800.jpg 1200w, \u2026\/photo-768x512.jpg 768w, \u2026\/photo.jpg 2560w\"\r\n  sizes=\"(max-width: 1200px) 100vw, 1200px\"\r\n  class=\"size-large wp-image-123\" \u2026&gt;<\/code><\/pre>\r\n<p class=\"fz-ss\">\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001<code>sizes<\/code> \u306e\u4e0a\u9650\u3067\u3059\u3002\u300c\u5927\u300d\u3067\u633f\u5165\u3059\u308b\u3068\u4e0a\u9650\u304c 1200px \u306b\u306a\u308a\u3001\u30b9\u30de\u30db\u3067\u306f 768px \u306a\u3069\u306e\u5c0f\u3055\u3044\u753b\u50cf\u304c\u9078\u3070\u308c\u307e\u3059\u3002\u300c\u30d5\u30eb\u30b5\u30a4\u30ba\u300d\u3067\u633f\u5165\u3059\u308b\u3068\u4e0a\u9650\u304c 2560px \u306b\u306a\u308a\u3001\u9ad8\u89e3\u50cf\u5ea6\u306e PC \u3067\u306f 2560px \u306e\u753b\u50cf\u304c\u9078\u3070\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u521d\u671f\u30b5\u30a4\u30ba\u3092\u300c\u5927\u300d\u306b\u56fa\u5b9a\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u3053\u306e\u305f\u3081\u3067\u3059\u3002<\/p>\r\n<p class=\"fz-ss\">\u3059\u3067\u306b\u30d5\u30eb\u30b5\u30a4\u30ba\u3067\u633f\u5165\u3057\u305f\u753b\u50cf\u306f\u3001\u633f\u5165\u3057\u76f4\u3059\u304b\u3001\u672c\u6587\u306e <code>size-full<\/code> \u3092 <code>size-large<\/code> \u306b\u3001\u753b\u50cf\u306e URL \u3092 <code>-1200x800<\/code> \u306a\u3069\u306e\u7e2e\u5c0f\u7248\u306b\u5909\u3048\u308b\u3068\u3001\u300c\u5927\u300d\u3068\u540c\u3058\u6271\u3044\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\r\n<h2 id=\"\u4fdd\u5b58\u6642\u306b\u81ea\u52d5\u3067\u4ed8\u3051\u3066\u3044\u308b\u5c5e\u6027\" class=\"fz-xl\">\u4fdd\u5b58\u6642\u306b\u81ea\u52d5\u3067\u4ed8\u3051\u3066\u3044\u308b\u5c5e\u6027<\/h2>\r\n<p class=\"fz-ss\">\u30c6\u30fc\u30de\u3067\u306f\u3001\u6295\u7a3f\u3092\u4fdd\u5b58\u3059\u308b\u3068\u304d\u306b\u3001\u672c\u6587\u306e\u753b\u50cf\u30782\u3064\u306e\u5c5e\u6027\u3092\u81ea\u52d5\u3067\u4ed8\u3051\u3066\u3044\u307e\u3059\uff08<code>content_save_pre<\/code> \u30d5\u30a3\u30eb\u30bf\u30fc\uff09\u3002<\/p>\r\n<table class=\"table my-0.75r\">\r\n  <thead>\r\n    <tr>\r\n      <th>\u51e6\u7406<\/th>\r\n      <td>\u5185\u5bb9<\/td>\r\n      <td>\u76ee\u7684<\/td>\r\n    <\/tr>\r\n  <\/thead>\r\n  <tbody>\r\n    <tr>\r\n      <th>\u30ad\u30e3\u30c3\u30b7\u30e5\u5bfe\u7b56\u306e\u65e5\u6642<\/th>\r\n      <td>\u753b\u50cf URL \u306e\u672b\u5c3e\u306b <code>?ver=\u4fdd\u5b58\u65e5\u6642<\/code> \u3092\u4ed8\u3051\u308b\uff08\u65e2\u5b58\u306e <code>ver=<\/code> \u306f\u4ed8\u3051\u76f4\u3059\uff09<\/td>\r\n      <td>\u753b\u50cf\u3092\u5dee\u3057\u66ff\u3048\u305f\u3068\u304d\u3001\u30d6\u30e9\u30a6\u30b6\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u53e4\u3044\u753b\u50cf\u304c\u6b8b\u3089\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <th>aspect-ratio<\/th>\r\n      <td>\u5b9f\u969b\u306e\u753b\u50cf\u306e\u5bf8\u6cd5\u304b\u3089 <code>style=\"aspect-ratio:\u5e45\/\u9ad8\u3055\"<\/code> \u3092\u4ed8\u3051\u308b<\/td>\r\n      <td>\u753b\u50cf\u306e\u8aad\u307f\u8fbc\u307f\u524d\u306b\u8868\u793a\u9818\u57df\u3092\u78ba\u4fdd\u3057\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u305a\u308c\uff08CLS\uff09\u3092\u9632\u3050<\/td>\r\n    <\/tr>\r\n  <\/tbody>\r\n<\/table>\r\n<p class=\"fz-ss\">\u305d\u306e\u305f\u3081\u3001\u672c\u6587\u3092\u5909\u3048\u305a\u306b\u300c\u66f4\u65b0\u300d\u3092\u62bc\u3057\u305f\u3060\u3051\u3067\u3082\u3001\u30ea\u30d3\u30b8\u30e7\u30f3\u306b\u306f <code>ver=<\/code> \u306e\u65e5\u6642\u306e\u5dee\u5206\u304c\u6b8b\u308a\u307e\u3059\u3002\u5909\u66f4\u5185\u5bb9\u3092\u30ea\u30d3\u30b8\u30e7\u30f3\u3067\u78ba\u8a8d\u3059\u308b\u3068\u304d\u306f\u3001\u3053\u306e\u5dee\u5206\u3092\u9664\u3044\u3066\u898b\u308b\u3068\u3001\u5b9f\u969b\u306e\u5909\u66f4\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\r\n\r\n<a href=\"https:\/\/code-plus.jp\/gp\/aspect-ratio-13691\/\" class=\"linkbox my-1.5r\">\n<strong class=\"linkbox-title fz-md\">\u753b\u50cf\u306e\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3092\u81ea\u52d5\u8a08\u7b97\u30fb\u4ed8\u4e0e\u3059\u308b | aspect-ratio\u304c\u52b9\u304b\u306a\u3044\u539f\u56e0\u3068CLS\u5bfe\u7b56 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09<\/strong>\n<picture class=\"linkbox-thumbnail\">\n<img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/aspect-ratio_Web_2D_2-3.jpg?ver=20261007135047\" alt=\"\u753b\u50cf\u306e\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3092\u81ea\u52d5\u8a08\u7b97\u30fb\u4ed8\u4e0e\u3059\u308b | aspect-ratio\u304c\u52b9\u304b\u306a\u3044\u539f\u56e0\u3068CLS\u5bfe\u7b56 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09\" loading=\"lazy\" \/>\n<\/picture>\n<span class=\"linkbox-excerpt\">CSS aspect-ratio\u304c\u52b9\u304b\u306a\u3044\u539f\u56e0\u3092\u62bc\u3055\u3048\u3064\u3064\u3001\u6295\u7a3f\u4fdd\u5b58\u6642\u306b\u5b9f\u753b\u50cf\u304b\u3089\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\uff08\u7e26\u6a2a\u6bd4\uff09\u3092\u81ea\u52d5\u8a08\u7b97\u30fb\u81ea\u52d5\u4ed8\u4e0e\u3057\u3001SP\/PC\u306e\u51fa\u3057\u5206\u3051\u307e\u3067\u624b\u4f5c\u696d\u30bc\u30ed\u3067\u7dad\u6301\u3059\u308b\u4ed5\u7d44\u307f\u3001CLS\u5bfe\u7b56\u3068\u3057\u3066\u7121\u7406\u306a\u304f\u904b\u7528\u3059\u308b\u305f\u3081\u306e\u5b9f\u904b\u7528\u3067\u306e\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\n&emsp;<u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\n<\/span>\n<\/a>\r\n\r\n<a href=\"https:\/\/code-plus.jp\/gp\/wp-image-query-11794\/\" class=\"linkbox my-1.5r\">\n<strong class=\"linkbox-title fz-md\">\u3010WordPress\u3011\u753b\u50cfURL\u306b\u30af\u30a8\u30ea\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4fdd\u5b58\u6642\u306b\u81ea\u52d5\u4ed8\u4e0e\uff5c\u30ad\u30e3\u30c3\u30b7\u30e5\u5bfe\u7b56 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09<\/strong>\n<picture class=\"linkbox-thumbnail\">\n<img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/0a7b43ba-86c1-4335-94b9-9df41aa44452.png?ver=20261007135047\" alt=\"\u3010WordPress\u3011\u753b\u50cfURL\u306b\u30af\u30a8\u30ea\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4fdd\u5b58\u6642\u306b\u81ea\u52d5\u4ed8\u4e0e\uff5c\u30ad\u30e3\u30c3\u30b7\u30e5\u5bfe\u7b56 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09\" loading=\"lazy\" \/>\n<\/picture>\n<span class=\"linkbox-excerpt\">WordPress\u3067\u753b\u50cf\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u5bfe\u7b56\u3068\u3057\u3066`?ver=`\u30af\u30a8\u30ea\u3092\u81ea\u52d5\u4ed8\u4e0e\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3002`the_content`\u30d5\u30a3\u30eb\u30bf\u30fc\u65b9\u5f0f\u306e\u9650\u754c\u3068\u3001`content_save_pre`\u3067DB\u3078\u76f4\u63a5\u66f8\u304d\u8fbc\u3080\u65b0\u65b9\u5f0f\u306e\u5b8c\u5168\u306a\u30b3\u30fc\u30c9\u3001Better Search ...\n&emsp;<u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\n<\/span>\n<\/a>\r\n\r\n<h2 id=\"\u30c6\u30fc\u30de\u5185\u306e\u753b\u50cf\u306f\u8868\u793a\u5e45\u306e2\u500d\u3092\u76ee\u5b89\u306b\u7e2e\u5c0f\u3059\u308b\" class=\"fz-xl\">\u30c6\u30fc\u30de\u5185\u306e\u753b\u50cf\u306f\u3001\u8868\u793a\u5e45\u306e2\u500d\u3092\u76ee\u5b89\u306b\u7e2e\u5c0f\u3059\u308b<\/h2>\r\n<p class=\"fz-ss\">\u30e1\u30c7\u30a3\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u901a\u3055\u306a\u3044\u3001\u30c6\u30fc\u30de\u306e <code>images<\/code> \u30d5\u30a9\u30eb\u30c0\u306e\u753b\u50cf\u306f\u3001\u624b\u4f5c\u696d\u3067\u7e2e\u5c0f\u3057\u307e\u3059\u3002\u76ee\u5b89\u306f\u300c\u30b5\u30a4\u30c8\u4e0a\u306e\u8868\u793a\u5e45\u306e2\u500d\u300d\u3067\u3059\u3002\u9ad8\u89e3\u50cf\u5ea6\u306e\u753b\u9762\u3067\u3082\u7c97\u304f\u898b\u3048\u305a\u3001\u305d\u308c\u4ee5\u4e0a\u5927\u304d\u304f\u3057\u3066\u3082\u898b\u305f\u76ee\u306f\u307b\u3068\u3093\u3069\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/p>\r\n<p class=\"fz-ss\">\u5b9f\u969b\u306b\u7e2e\u5c0f\u3092\u8a66\u3057\u305f\u7d50\u679c\u3067\u3059\uff08\u4f5c\u696d\u7528\u306e\u30b3\u30d4\u30fc\u3067\u8a66\u7b97\uff09\u3002<\/p>\r\n<table class=\"table my-0.75r\">\r\n  <thead>\r\n    <tr>\r\n      <th>\u753b\u50cf<\/th>\r\n      <td>\u5143\u306e\u5927\u304d\u3055<\/td>\r\n      <td>\u8868\u793a\u5e45\uff08PC\uff0f\u30b9\u30de\u30db\uff09<\/td>\r\n      <td>\u7e2e\u5c0f\u5f8c<\/td>\r\n      <td>\u5bb9\u91cf<\/td>\r\n    <\/tr>\r\n  <\/thead>\r\n  <tbody>\r\n    <tr>\r\n      <th>\u65bd\u5de5\u5b9f\u7e3e\u306e\u5199\u771f\uff086\u679a\uff09<\/th>\r\n      <td>3000\u00d72000px<\/td>\r\n      <td>291px\uff0f303px<\/td>\r\n      <td>800\u00d7533px<\/td>\r\n      <td>\u8a08 2,783KB \u2192 \u7d04680KB\uff08\u7d0475%\u6e1b\uff09<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <th>\u5199\u771f\u3092 PNG \u3067\u4fdd\u5b58\u3057\u3066\u3044\u305f\u753b\u50cf<\/th>\r\n      <td>980\u00d7700px<\/td>\r\n      <td>525px\uff0f303px<\/td>\r\n      <td>\u540c\u3058\u5927\u304d\u3055\u3067 JPG \u306b\u5909\u63db<\/td>\r\n      <td>322KB \u2192 150\u301c200KB<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <th>\u30c8\u30c3\u30d7\u306e\u80cc\u666f\u5199\u771f<\/th>\r\n      <td>4000\u00d72060px<\/td>\r\n      <td>1261px\uff0f360px<\/td>\r\n      <td>2560px \u306b\u7e2e\u5c0f<\/td>\r\n      <td>631KB \u2192 514\u301c768KB\uff08\u6e1b\u3089\u306a\u3044\u3053\u3068\u304c\u3042\u308b\uff09<\/td>\r\n    <\/tr>\r\n  <\/tbody>\r\n<\/table>\r\n<p class=\"fz-ss\">\u8a66\u3057\u3066\u308f\u304b\u3063\u305f\u3053\u3068\u304c2\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<ul style=\"list-style-type:bullet;\" class=\"my-0.5r\">\r\n  <li>\u5143\u306e\u753b\u50cf\u304c\u3059\u3067\u306b\u5f37\u3081\u306b\u5727\u7e2e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u7e2e\u5c0f\u3057\u3066\u3082\u5bb9\u91cf\u304c\u3042\u307e\u308a\u6e1b\u308a\u307e\u305b\u3093\u3002\u4fdd\u5b58\u3057\u76f4\u3059\u3068\u304d\u306e\u54c1\u8cea\u304c\u5143\u3088\u308a\u9ad8\u3044\u3068\u3001\u304b\u3048\u3063\u3066\u5897\u3048\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u7e2e\u5c0f\u5f8c\u306e\u5bb9\u91cf\u306f\u3001\u5fc5\u305a\u5143\u3068\u6bd4\u3079\u307e\u3059<\/li>\r\n  <li>PNG \u306f\u3001macOS \u306e <code>sips<\/code> \u306a\u3069\u3067\u7e2e\u5c0f\u3057\u3066\u3082\u6700\u9069\u5316\u3055\u308c\u306a\u3044\u306e\u3067\u3001\u5bb9\u91cf\u304c\u5897\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002PNG \u306f\u3001ImageOptim \u306a\u3069\u306e\u6700\u9069\u5316\u30c4\u30fc\u30eb\u3092\u901a\u3059\u304b\u3001\u56f3\u3067\u3042\u308c\u3070 SVG \u306b\u3057\u307e\u3059<\/li>\r\n<\/ul>\r\n<p class=\"fz-ss\">\u8868\u793a\u5e45\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u958b\u767a\u8005\u30c4\u30fc\u30eb\u3067\u753b\u50cf\u3092\u9078\u3073\u3001\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u30b5\u30a4\u30ba\u3092\u898b\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002PC \u3068\u30b9\u30de\u30db\u3067\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u9055\u3046\u306e\u3067\u3001\u4e21\u65b9\u306e\u5e45\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\r\n<h2 id=\"\u6700\u521d\u306e\u753b\u9762\u306e\u753b\u50cf\u306f\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3057\u306a\u3044\" class=\"fz-xl\">\u6700\u521d\u306e\u753b\u9762\u306e\u753b\u50cf\u306f\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3057\u306a\u3044<\/h2>\r\n<p class=\"fz-ss\">\u30c6\u30fc\u30de\u3067\u306f\u3001\u753b\u50cf\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3092 JavaScript\uff08<code>class=\"lazy\"<\/code> \u3068 <code>data-src<\/code> \u5c5e\u6027\uff09\u3067\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u753b\u9762\u306b\u8fd1\u3065\u3044\u305f\u3068\u304d\u306b\u3001<code>data-src<\/code> \u306e URL \u3092 <code>src<\/code> \u306b\u5165\u308c\u3066\u8aad\u307f\u8fbc\u3080\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\r\n<p class=\"fz-ss\">\u3053\u306e\u4ed5\u7d44\u307f\u306f\u3001\u30da\u30fc\u30b8\u306e\u6700\u521d\u306e\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u308b\u753b\u50cf\u306b\u306f\u4f7f\u3044\u307e\u305b\u3093\u3002HTML \u306b\u672c\u7269\u306e URL \u3092\u66f8\u3044\u3066\u304a\u3051\u3070\u3001\u30d6\u30e9\u30a6\u30b6\u306f HTML \u3092\u8aad\u307f\u8fbc\u3093\u3060\u76f4\u5f8c\u306b\u753b\u50cf\u306e\u53d6\u5f97\u3092\u59cb\u3081\u3089\u308c\u307e\u3059\u3002\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u306e\u753b\u50cf\u306b <code>fetchpriority=\"high\"<\/code> \u3092\u4ed8\u3051\u3066\u3082\u3001JavaScript \u304c <code>src<\/code> \u3092\u5165\u308c\u308b\u307e\u3067\u53d6\u5f97\u304c\u59cb\u307e\u3089\u306a\u3044\u306e\u3067\u3001\u52b9\u679c\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\r\n<p class=\"fz-ss\">\u5b9f\u969b\u306b\u8a08\u6e2c\u3057\u305f\u3068\u3053\u308d\u3001\u6700\u521d\u306e\u753b\u9762\u306e\u753b\u50cf\u306f\u7d04 0.3 \u79d2\u3067\u53d6\u5f97\u304c\u59cb\u307e\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u3001LCP\uff08\u6700\u3082\u5927\u304d\u3044\u8981\u7d20\u304c\u8868\u793a\u3055\u308c\u308b\u6642\u523b\uff09\u306f\u7d04 2.3 \u79d2\u3067\u3057\u305f\u3002\u539f\u56e0\u306f\u753b\u50cf\u3067\u306f\u306a\u304f\u3001\u30da\u30fc\u30b8\u5168\u4f53\u3092\u8986\u3046\u8aad\u307f\u8fbc\u307f\u4e2d\u306e\u8868\u793a\uff08\u30b9\u30d4\u30ca\u30fc\uff09\u304c\u3001\u4e00\u5b9a\u6642\u9593\u305f\u3064\u307e\u3067\u6d88\u3048\u306a\u3044\u4f5c\u308a\u3060\u3063\u305f\u3053\u3068\u3067\u3059\u3002\u8868\u793a\u901f\u5ea6\u3092\u898b\u76f4\u3059\u3068\u304d\u306f\u3001\u753b\u50cf\u3060\u3051\u3067\u306a\u304f\u3001\u3053\u3046\u3057\u305f\u6f14\u51fa\u306e\u5f85\u3061\u6642\u9593\u3082\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\r\n<h2 id=\"alt-\u5c5e\u6027\u306e\u4ed8\u3051\u65b9\" class=\"fz-xl\">alt \u5c5e\u6027\u306e\u4ed8\u3051\u65b9<\/h2>\r\n<p class=\"fz-ss\">\u753b\u50cf\u306e\u30b5\u30a4\u30ba\u3068\u5408\u308f\u305b\u3066\u3001alt \u5c5e\u6027\u3082\u898b\u76f4\u3057\u307e\u3057\u305f\u3002<\/p>\r\n<table class=\"table my-0.75r\">\r\n  <thead>\r\n    <tr>\r\n      <th>\u753b\u50cf\u306e\u7a2e\u985e<\/th>\r\n      <td>alt<\/td>\r\n      <td>\u4f8b<\/td>\r\n    <\/tr>\r\n  <\/thead>\r\n  <tbody>\r\n    <tr>\r\n      <th>\u5185\u5bb9\u306e\u3042\u308b\u5199\u771f<\/th>\r\n      <td>\u5199\u771f\u306e\u5185\u5bb9\u3092\u77ed\u304f\u66f8\u304f<\/td>\r\n      <td><code>alt=\"\u7ba1\u7406\u3057\u3066\u3044\u308b\u30aa\u30d5\u30a3\u30b9\u30d3\u30eb\u306e\u5916\u89b3\"<\/code><\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <th>\u6587\u5b57\u304c\u66f8\u304b\u308c\u305f\u753b\u50cf\uff08\u56f3\u8868\u30fb\u6570\u5024\u30fb\u898b\u51fa\u3057\uff09<\/th>\r\n      <td>\u753b\u50cf\u306e\u4e2d\u306e\u6587\u5b57\u3092\u305d\u306e\u307e\u307e\u66f8\u304f<\/td>\r\n      <td><code>alt=\"\u5f93\u696d\u54e1\u6570\u3007\u3007\u4eba\u3001\u5e73\u5747\u5e74\u9f62\u3007\u3007\u6b73\u2026\"<\/code><\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <th>\u30ea\u30f3\u30af\u306e\u4e2d\u306e\u753b\u50cf\u3060\u3051\u306e\u30dc\u30bf\u30f3<\/th>\r\n      <td>\u30ea\u30f3\u30af\u5148\u304c\u308f\u304b\u308b\u8a00\u8449<\/td>\r\n      <td><code>alt=\"\u52df\u96c6\u8981\u9805\u30fb\u30a8\u30f3\u30c8\u30ea\u30fc\"<\/code><\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <th>\u88c5\u98fe\u306e\u753b\u50cf<\/th>\r\n      <td>\u7a7a\u306b\u3059\u308b<\/td>\r\n      <td><code>alt=\"\"<\/code><\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <th>\u753b\u50cf\u304c\u306a\u3044\u3068\u304d\u306e\u4ee3\u308f\u308a\u306e\u753b\u50cf<\/th>\r\n      <td>\u7a7a\u306b\u3059\u308b<\/td>\r\n      <td><code>alt=\"\"<\/code>\uff08<code>alt=\"NoImage\"<\/code> \u306b\u3057\u306a\u3044\uff09<\/td>\r\n    <\/tr>\r\n  <\/tbody>\r\n<\/table>\r\n<p class=\"fz-ss\">\u6570\u5024\u3084\u30b0\u30e9\u30d5\u304c\u753b\u50cf\u306e\u4e2d\u306b\u3057\u304b\u306a\u3044\u3068\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306f\u305d\u306e\u5185\u5bb9\u3092\u8aad\u307f\u53d6\u308c\u307e\u305b\u3093\u3002\u8868\u3084\u30b0\u30e9\u30d5\u306f\u3001\u3067\u304d\u308c\u3070 HTML \u306e\u30c6\u30ad\u30b9\u30c8\u306b\u3057\u3001\u3059\u3050\u306b\u76f4\u305b\u306a\u3044\u3068\u304d\u306f alt \u306b\u4e2d\u8eab\u3092\u66f8\u304d\u307e\u3059\u3002<\/p>\r\n<h2 id=\"\u307e\u3068\u3081\" class=\"fz-xl\">\u307e\u3068\u3081<\/h2>\r\n<ul style=\"list-style-type:bullet;\" class=\"my-0.5r\">\r\n  <li>\u753b\u50cf\u30b5\u30a4\u30ba\u306f <code>functions.php<\/code> \u3067\u5fc5\u8981\u306a\u3082\u306e\u3060\u3051\u3092\u767b\u9332\u3057\u3001\u300c\u8a2d\u5b9a \u203a \u30e1\u30c7\u30a3\u30a2\u300d\u306e\u6570\u5024\u306f\u4f7f\u308f\u306a\u3044<\/li>\r\n  <li>\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306e\u7e2e\u5c0f\uff082560px\uff09\u3068\u5727\u7e2e\u306f EWWW \u306b\u4efb\u305b\u308b<\/li>\r\n  <li>\u30e1\u30c7\u30a3\u30a2\u633f\u5165\u6642\u306e\u521d\u671f\u30b5\u30a4\u30ba\u3092\u300c\u5927\u300d\u306b\u56fa\u5b9a\u3057\u3001\u672c\u6587\u306e\u753b\u50cf\u306f 1200px \u3092\u4e0a\u9650\u306b\u3059\u308b<\/li>\r\n  <li>\u30c6\u30fc\u30de\u5185\u306e\u753b\u50cf\u306f\u8868\u793a\u5e45\u306e2\u500d\u3092\u76ee\u5b89\u306b\u7e2e\u5c0f\u3057\u3001\u7e2e\u5c0f\u5f8c\u306e\u5bb9\u91cf\u3092\u5fc5\u305a\u78ba\u8a8d\u3059\u308b<\/li>\r\n  <li>\u6700\u521d\u306e\u753b\u9762\u306e\u753b\u50cf\u306f\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u305b\u305a\u3001alt \u306b\u306f\u753b\u50cf\u306e\u4e2d\u8eab\u3092\u66f8\u304f<\/li>\r\n<\/ul>\r\n<p class=\"fz-ss\">EWWW Image Optimizer \u306e\u5404\u30bf\u30d6\u306e\u8a2d\u5b9a\u306f\u3001\u300c<a href=\"\/gp\/ewww-image-optimizer-15042\/\" class=\"link\">EWWW Image Optimizer\u306e\u8a2d\u5b9a\uff5c\u7121\u6599\u7248\u3067\u753b\u50cf\u3092\u81ea\u52d5\u5727\u7e2e\u30fbWebP\u5316\u3059\u308b\u624b\u9806<\/a>\u300d\u3067\u753b\u9762\u3064\u304d\u3067\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n\r\n<h2 id=\"\u95a2\u9023\u8a18\u4e8b\" class=\"fz-xl\">\u95a2\u9023\u8a18\u4e8b<\/h2>\r\n\r\n<a href=\"https:\/\/code-plus.jp\/gp\/ewww-image-optimizer-15042\/\" class=\"linkbox my-1.5r\">\n<strong class=\"linkbox-title fz-md\">EWWW Image Optimizer\u306e\u8a2d\u5b9a\uff5c\u7121\u6599\u7248\u3067\u753b\u50cf\u3092\u81ea\u52d5\u5727\u7e2e\u30fbWebP\u5316\u3059\u308b\u624b\u9806 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09<\/strong>\n\n<span class=\"linkbox-excerpt\">WordPress\u306e\u753b\u50cf\u6700\u9069\u5316\u30d7\u30e9\u30b0\u30a4\u30f3\u300cEWWW Image Optimizer\u300d\u3092\u7121\u6599\u7248\u3067\u4f7f\u3046\u3068\u304d\u306e\u8a2d\u5b9a\u3092\u3001\u30bf\u30d6\u3054\u3068\u306b\u753b\u9762\u3064\u304d\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002\u6700\u5927\u753b\u50cf\u30b5\u30a4\u30ba2560px\u3001\u30d4\u30af\u30bb\u30eb\u30d1\u30fc\u30d5\u30a7\u30af\u30c8\u5727\u7e2e\u3001WebP\u5909\u63db\u3068\u30ea\u30e9\u30a4\u30c8\u30eb\u30fc\u30eb\u306e\u8a2d\u5b9a\u3001\u6709\u6599\u306e\u300c\u7c21\u5358I...\n&emsp;<u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\n<\/span>\n<\/a>\r\n\r\n<a href=\"https:\/\/code-plus.jp\/gp\/aspect-ratio-13691\/\" class=\"linkbox my-1.5r\">\n<strong class=\"linkbox-title fz-md\">\u753b\u50cf\u306e\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3092\u81ea\u52d5\u8a08\u7b97\u30fb\u4ed8\u4e0e\u3059\u308b | aspect-ratio\u304c\u52b9\u304b\u306a\u3044\u539f\u56e0\u3068CLS\u5bfe\u7b56 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09<\/strong>\n<picture class=\"linkbox-thumbnail\">\n<img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/aspect-ratio_Web_2D_2-3.jpg?ver=20261007135047\" alt=\"\u753b\u50cf\u306e\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3092\u81ea\u52d5\u8a08\u7b97\u30fb\u4ed8\u4e0e\u3059\u308b | aspect-ratio\u304c\u52b9\u304b\u306a\u3044\u539f\u56e0\u3068CLS\u5bfe\u7b56 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09\" loading=\"lazy\" \/>\n<\/picture>\n<span class=\"linkbox-excerpt\">CSS aspect-ratio\u304c\u52b9\u304b\u306a\u3044\u539f\u56e0\u3092\u62bc\u3055\u3048\u3064\u3064\u3001\u6295\u7a3f\u4fdd\u5b58\u6642\u306b\u5b9f\u753b\u50cf\u304b\u3089\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\uff08\u7e26\u6a2a\u6bd4\uff09\u3092\u81ea\u52d5\u8a08\u7b97\u30fb\u81ea\u52d5\u4ed8\u4e0e\u3057\u3001SP\/PC\u306e\u51fa\u3057\u5206\u3051\u307e\u3067\u624b\u4f5c\u696d\u30bc\u30ed\u3067\u7dad\u6301\u3059\u308b\u4ed5\u7d44\u307f\u3001CLS\u5bfe\u7b56\u3068\u3057\u3066\u7121\u7406\u306a\u304f\u904b\u7528\u3059\u308b\u305f\u3081\u306e\u5b9f\u904b\u7528\u3067\u306e\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\n&emsp;<u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\n<\/span>\n<\/a>\r\n\r\n<a href=\"https:\/\/code-plus.jp\/gp\/wp-image-query-11794\/\" class=\"linkbox my-1.5r\">\n<strong class=\"linkbox-title fz-md\">\u3010WordPress\u3011\u753b\u50cfURL\u306b\u30af\u30a8\u30ea\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4fdd\u5b58\u6642\u306b\u81ea\u52d5\u4ed8\u4e0e\uff5c\u30ad\u30e3\u30c3\u30b7\u30e5\u5bfe\u7b56 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09<\/strong>\n<picture class=\"linkbox-thumbnail\">\n<img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/0a7b43ba-86c1-4335-94b9-9df41aa44452.png?ver=20261007135047\" alt=\"\u3010WordPress\u3011\u753b\u50cfURL\u306b\u30af\u30a8\u30ea\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4fdd\u5b58\u6642\u306b\u81ea\u52d5\u4ed8\u4e0e\uff5c\u30ad\u30e3\u30c3\u30b7\u30e5\u5bfe\u7b56 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09\" loading=\"lazy\" \/>\n<\/picture>\n<span class=\"linkbox-excerpt\">WordPress\u3067\u753b\u50cf\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u5bfe\u7b56\u3068\u3057\u3066`?ver=`\u30af\u30a8\u30ea\u3092\u81ea\u52d5\u4ed8\u4e0e\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3002`the_content`\u30d5\u30a3\u30eb\u30bf\u30fc\u65b9\u5f0f\u306e\u9650\u754c\u3068\u3001`content_save_pre`\u3067DB\u3078\u76f4\u63a5\u66f8\u304d\u8fbc\u3080\u65b0\u65b9\u5f0f\u306e\u5b8c\u5168\u306a\u30b3\u30fc\u30c9\u3001Better Search ...\n&emsp;<u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\n<\/span>\n<\/a>\r\n\r\n<a href=\"https:\/\/code-plus.jp\/gp\/wordpress-lcp-tbt-12167\/\" class=\"linkbox my-1.5r\">\n<strong class=\"linkbox-title fz-md\">WordPress\u306eLCP\u30fbTBT\u3092\u30d7\u30e9\u30b0\u30a4\u30f3\u306eJS\/CSS\u6574\u7406\u3067\u6539\u5584\u3057\u305f\u65bd\u7b56 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09<\/strong>\n<picture class=\"linkbox-thumbnail\">\n<img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/WordPre__2605221706.jpg?ver=20261007135047\" alt=\"WordPress\u306eLCP\u30fbTBT\u3092\u30d7\u30e9\u30b0\u30a4\u30f3\u306eJS\/CSS\u6574\u7406\u3067\u6539\u5584\u3057\u305f\u65bd\u7b56 | CODE-PLUS\uff08\u30b3\u30fc\u30c9\u30d7\u30e9\u30b9\uff09\" loading=\"lazy\" \/>\n<\/picture>\n<span class=\"linkbox-excerpt\">WordPress\u306ePageSpeed\u30b9\u30b3\u30a2\u304c17\u3068\u3044\u3046\u304b\u306a\u308a\u53b3\u3057\u3044\u72b6\u614b\u304b\u3089\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306eJS\/CSS\u306e\u6574\u7406\u3060\u3051\u306757\u307e\u3067\u6539\u5584\u3067\u304d\u307e\u3057\u305f\u3002\u7279\u306bTBT\uff08Total Blocking Time\uff09\u306f5.1\u79d2 \u2192 170ms\u3001LCP\u306f6.45\u79d2 \u2192 2.3...\n&emsp;<u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\n<\/span>\n<\/a>\r\n","protected":false},"excerpt":{"rendered":"\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u3069\u3093\u306a\u5927\u304d\u3055\u306e\u753b\u50cf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3066\u3082\u3001WordPress\u3067\u6700\u9069\u306a\u30b5\u30a4\u30ba\u3092\u8868\u793a\u3059\u308b\u4ed5\u7d44\u307f\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u753b\u50cf\u30b5\u30a4\u30ba\u306e\u767b\u9332\u3001\u30e1\u30c7\u30a3\u30a2\u633f\u5165\u6642\u306e\u521d\u671f\u30b5\u30a4\u30ba\u3092\u300c\u5927\u300d\u306b\u56fa\u5b9a\u3059\u308b\u30b3\u30fc\u30c9\u3001srcset\u306e\u52b9\u304d\u65b9\u3001\u7e2e\u5c0f\u306e\u76ee\u5b89\u3001alt\u306e\u4ed8\u3051\u65b9\u307e\u3067\u307e\u3068\u3081\u307e\u3057\u305f\u3002","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","vk-ltc-link":"","vk-ltc-target":"0"},"categories":[13],"tags":[1205,1204,1203,1201,1202,1200,1131,1069,155,102],"group":[],"pg":[],"class_list":["post-15052","post","type-post","status-publish","format-standard","category-wordpress","tag-1205","tag-srcset","tag-add_image_size","tag-1201","tag-1202","tag-1200","tag-alt","tag-1069","tag-functions-php","tag-wordpress"],"acf":[],"_links":{"self":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts\/15052","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/comments?post=15052"}],"version-history":[{"count":6,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts\/15052\/revisions"}],"predecessor-version":[{"id":15058,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts\/15052\/revisions\/15058"}],"wp:attachment":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/media?parent=15052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/categories?post=15052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/tags?post=15052"},{"taxonomy":"group","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/group?post=15052"},{"taxonomy":"pg","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/pg?post=15052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}