{"id":1718,"date":"2026-04-07T08:00:00","date_gmt":"2026-04-06T23:00:00","guid":{"rendered":"https:\/\/ownmono.com\/blog\/?p=1718"},"modified":"2026-04-06T21:48:50","modified_gmt":"2026-04-06T12:48:50","slug":"lightning-thumbnail-not-showing-jetpack","status":"publish","type":"post","link":"https:\/\/ownmono.com\/blog\/wordpress\/lightning-thumbnail-not-showing-jetpack\/","title":{"rendered":"WordPress Lightning\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u306a\u3044\uff5cJetpack\u4f75\u7528\u6642\u306e\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5"},"content":{"rendered":"
\"\"\u30cf\u30b7\u30d3\u30a3\u304f\u3093<\/span><\/div>
\n

WordPress\u30c6\u30fc\u30de\u300cLightning<\/strong>\u300d+\u300cVK All in One Expansion Unit<\/strong>\u300d\u3068\u3044\u3046\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u305f\u3093\u3059\u3051\u3069\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u3063\u3059\uff01<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n

\"\"\u30ab\u30d4\u30fc\u3055\u3093<\/span><\/div>
\n

\u305d\u308c\u306f\u3042\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u539f\u56e0\u304b\u3082\u3057\u308c\u306a\u3044\u306a\u3002\u3044\u304f\u3064\u304b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u3053\u3046\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n

\u672c\u8a18\u4e8b\u306f\u5b9f\u969b\u306e\u6848\u4ef6\u3067\u906d\u9047\u3057\u305f\u4e8b\u4f8b\u3067\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u306a\u308a\u307e\u3059\u3002\u304a\u4f7f\u3044\u306eWordPress\u74b0\u5883\u306b\u3088\u3063\u3066\u306f\u5225\u306e\u539f\u56e0\u304c\u3042\u308b\u53ef\u80fd\u6027\u3082\u3042\u308b\u3053\u3068\u3092\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n

Lightning\u3067\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u539f\u56e0<\/h2>\n\n\n\n
WordPress\u69cb\u7bc9\u74b0\u5883<\/span><\/div>
\n
    \n
  • WordPress 6.9.4<\/li>\n\n\n\n
  • Lightning 15.34.1\uff08\u5b50\u30c6\u30fc\u30de\u3067\u3082\uff09<\/li>\n\n\n\n
  • Jetpack 15.6<\/li>\n\n\n\n
  • VK All in One Expansion Unit 9.113.6<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n

    \u4e0a\u8a18\u74b0\u5883\u3067\u3001\u300cVK All in One Expansion Unit\u300d\u3092\u4f7f\u3063\u3066\u3001\u30b5\u30e0\u30cd\u30a4\u30eb\uff08\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\uff09\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u306a\u3044\u8a18\u4e8b\u306b\u81ea\u52d5\u3067\u8868\u793a\u3055\u308c\u308b\u30c7\u30d5\u30a9\u30eb\u30c8\u30b5\u30e0\u30cd\u30a4\u30eb\u3068\u3044\u3046\u3082\u306e\u3092\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

    \"\"
    \u753b\u50cf\u3092\u8a2d\u5b9a\u6e08\u307f<\/figcaption><\/figure>\n\n\n\n

    \u3057\u304b\u3057\u8a18\u4e8b\u4e00\u89a7\uff08\u30ea\u30b9\u30c8\uff09\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u8a2d\u5b9a\u3057\u305f\u306f\u305a\u306e\u753b\u50cf\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u72b6\u614b\u3067\u3059\u3002<\/p>\n\n\n\n

    \u4eca\u56de\u306f\u3053\u3061\u3089\u306e\u554f\u984c\u3092\u89e3\u6d88\u3057\u3066\u3044\u304f\u3068\u554f\u984c\u3067\u3059\u3002<\/p>\n\n\n\n

    \u539f\u56e0\u306fJetpack\u306e\u753b\u50cfCDN\uff08i0.wp.com\uff09<\/h3>\n\n\n\n
    \"\"
    \u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b<\/figcaption><\/figure>\n\n\n\n

    \u3053\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u306a\u3044\u30ea\u30b9\u30c8\u306e\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001<img><\/code>\u306b\u610f\u56f3\u3057\u306a\u3044URL\u304c\u8ffd\u52a0\u3055\u308c\u305f\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306fhttps:\/\/i0.wp.com\/\u81ea\u8eab\u306e\u30c9\u30e1\u30a4\u30f3<\/code>\u3068\u3044\u3046\u5177\u5408\u306bi0.wp.com<\/strong>\u3068\u3044\u3046\u306e\u304c\u4ed8\u3051\u52a0\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

    \u539f\u56e0\u306f\u3053\u306ei0.wp.com<\/strong>\u3060\u3063\u305f\u306e\u3067\u3059\u3002i0.wp.com<\/strong>\u304c\u753b\u50cfURL\u306b\u52a0\u308f\u308b\u3068\u3069\u3046\u306a\u308b\u306e\u304b\u3002<\/p>\n\n\n\n

    i0.wp.com<\/strong>\u306fJetpack\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u6a5f\u80fd\u306b\u3088\u308b\u3082\u306e<\/h3>\n\n\n\n

    \u554f\u984c\u306ei0.wp.com<\/strong>\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u300cJetpack\u300d\u306e\u6a5f\u80fd\u306b\u3088\u3063\u3066\u4ed8\u3051\u52a0\u3048\u3089\u308c\u3066\u3044\u308b\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

    Jetpack\u306b\u306f\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u306b\u95a2\u3059\u308b\u9805\u76ee\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002
    [Jetpack\u2192\u8a2d\u5b9a\u2192Performance]\u304b\u3089\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3084\u64cd\u4f5c\u30bf\u30a4\u30df\u30f3\u30b0\u306b\u3088\u3063\u3066\u8a2d\u5b9a\u753b\u9762\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

    \"\"
    \u3053\u3061\u3089\u306f\u521d\u56de\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306e\u8a2d\u5b9a\u753b\u9762<\/figcaption><\/figure>\n\n\n\n
    \"\"
    \u901a\u5e38\u6642\u306e\u8a2d\u5b9a\u753b\u9762<\/figcaption><\/figure>\n\n\n\n

    \u4e0a\u306e2\u679a\u306e\u753b\u50cf\u3067\u30c1\u30a7\u30c3\u30af\uff08\u6709\u52b9\uff09\u304c\u3064\u3044\u3066\u3044\u308b\u3068\u7dd1\u8272\u304c\u3064\u304d\u307e\u3059\u304c\u3001\u3053\u306e\u72b6\u614b\u3060\u3068\u30c7\u30d5\u30a9\u30eb\u30c8\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u72b6\u614b\u306b\u306a\u3063\u3066\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

    \u89e3\u6c7a\u65b9\u6cd5\uff08\u6700\u77ed\u30eb\u30fc\u30c8\uff09<\/h3>\n\n\n\n

    \u89e3\u6c7a\u7b56\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n

    Speed up image load times<\/strong>\u3092\u7121\u52b9\u5316\uff08OFF\uff09\u306b\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/span><\/p>\n\n\n\n

    \n
    <\/span>STEP<\/span><\/div>
    WordPress\u7ba1\u7406\u753b\u9762\u3078<\/div>
    \n\n<\/div><\/div>\n\n\n\n
    <\/span>STEP<\/span><\/div>
    Jetpack\u8a2d\u5b9a<\/div>
    \n\n<\/div><\/div>\n\n\n\n
    <\/span>STEP<\/span><\/div>
    Performance<\/div>
    \n

    \u300cSpeed up image load times\u300d\u3092OFF<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

    Jetpack\u306e\u300c\u753b\u50cf\u9ad8\u901f\u5316\uff08Site Accelerator\uff09\u300d\u306f\u4fbf\u5229\u3067\u3059\u304c\u3001\u30c6\u30fc\u30de\u306b\u3088\u3063\u3066\u306f\u753b\u50cfURL\u304c\u5916\u90e8\u5316\u3055\u308c\u308b\u3053\u3068\u3067\u30b5\u30e0\u30cd\u30a4\u30eb\u51e6\u7406\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

    static file load<\/strong>\u306b\u95a2\u3057\u3066\u306f\u3001\u6709\u52b9\u306b\u3057\u3066\u3082\u5f71\u97ff\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u6a5f\u80fd\u306fCSS\/JS\u3092\u5bfe\u8c61\u306b\u30da\u30fc\u30b8\u901f\u5ea6\u5411\u4e0a\u306b\u95a2\u3059\u308b\u8a2d\u5b9a\u304c\u8ffd\u52a0\u3055\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u500b\u4eba\u7684\u306b\u306f\u3053\u3061\u3089\u3082\u7121\u52b9\u5316\u306e\u65b9\u304c\u4e0d\u5177\u5408\u304c\u5c11\u306a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n

    \u307e\u3068\u3081\uff1aWordPress Lightning\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u306a\u3044\uff5cJetpack\u4f75\u7528\u6642\u306e\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5<\/h2>\n\n\n\n

    WordPress\u30c6\u30fc\u30de\u300cLightning\u300d\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u3001Jetpack\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6a5f\u80fd\u306b\u3088\u308b\u753b\u50cfURL\u306e\u66f8\u304d\u63db\u3048\u304c\u539f\u56e0\u3068\u306a\u3063\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

    \u7279\u306b\u300ci0.wp.com\u300d\u304c\u4ed8\u4e0e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u753b\u50cf\u304c\u5916\u90e8\u30c9\u30e1\u30a4\u30f3\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u305f\u3081\u3001\u30c6\u30fc\u30de\u5074\u3067\u6b63\u3057\u304f\u753b\u50cf\u3092\u8a8d\u8b58\u3067\u304d\u305a\u3001\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u4e0d\u5177\u5408\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

    \u3053\u306e\u554f\u984c\u306f\u8a2d\u5b9a\u3092\u898b\u76f4\u3059\u3053\u3068\u3067\u7c21\u5358\u306b\u89e3\u6c7a\u3067\u304d\u308b\u305f\u3081\u3001\u540c\u69d8\u306e\u75c7\u72b6\u304c\u51fa\u3066\u3044\u308b\u5834\u5408\u306fJetpack\u306e\u8a2d\u5b9a\u3092\u512a\u5148\u7684\u306b\u78ba\u8a8d\u3059\u308b\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n\n\n\n

    WordPress Lightning\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u306a\u3044\uff5cJetpack\u4f75\u7528\u6642\u306e\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5<\/strong><\/span><\/div>
    \n
      \n
    • Jetpack\u306e\u300cSpeed up image load times\u300d\u306b\u3088\u308a\u753b\u50cfURL\u304c\u300ci0.wp.com\u300d\u306b\u66f8\u304d\u63db\u308f\u308b<\/li>\n\n\n\n
    • \u5916\u90e8URL\u6271\u3044\u306b\u306a\u308b\u3053\u3068\u3067\u3001Lightning\u3084ExUnit\u304c\u753b\u50cf\u3092\u6b63\u3057\u304f\u8a8d\u8b58\u3067\u304d\u306a\u304f\u306a\u308b<\/li>\n\n\n\n
    • \u300cSpeed up image load times\u300d\u3092OFF\u306b\u3059\u308b\u3053\u3068\u3067\u30b5\u30e0\u30cd\u30a4\u30eb\u306f\u6b63\u5e38\u306b\u8868\u793a\u3055\u308c\u308b<\/li>\n<\/ul>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

      \u672c\u8a18\u4e8b\u306f\u5b9f\u969b\u306e\u6848\u4ef6\u3067\u906d\u9047\u3057\u305f\u4e8b\u4f8b\u3067\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u306a\u308a\u307e\u3059\u3002\u304a\u4f7f\u3044\u306eWordPress\u74b0\u5883\u306b\u3088\u3063\u3066\u306f\u5225\u306e\u539f\u56e0\u304c\u3042\u308b\u53ef\u80fd\u6027\u3082\u3042\u308b\u3053\u3068\u3092\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002 Lightning\u3067\u30b5\u30e0\u30cd\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u539f\u56e0 \u4e0a\u8a18\u74b0\u5883\u3067\u3001\u300cVK Al […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[1],"tags":[36,28],"class_list":["post-1718","post","type-post","status-publish","format-standard","hentry","category-wordpress","tag-lightning","tag-casestudy"],"_links":{"self":[{"href":"https:\/\/ownmono.com\/blog\/wp-json\/wp\/v2\/posts\/1718","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ownmono.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ownmono.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ownmono.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ownmono.com\/blog\/wp-json\/wp\/v2\/comments?post=1718"}],"version-history":[{"count":2,"href":"https:\/\/ownmono.com\/blog\/wp-json\/wp\/v2\/posts\/1718\/revisions"}],"predecessor-version":[{"id":1725,"href":"https:\/\/ownmono.com\/blog\/wp-json\/wp\/v2\/posts\/1718\/revisions\/1725"}],"wp:attachment":[{"href":"https:\/\/ownmono.com\/blog\/wp-json\/wp\/v2\/media?parent=1718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ownmono.com\/blog\/wp-json\/wp\/v2\/categories?post=1718"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ownmono.com\/blog\/wp-json\/wp\/v2\/tags?post=1718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}