{"id":34634,"date":"2026-09-05T19:29:03","date_gmt":"2026-09-05T19:29:03","guid":{"rendered":"https:\/\/www.dotcom-monitor.com\/blog\/monitor-embedded-pdf\/"},"modified":"2026-09-05T19:30:39","modified_gmt":"2026-09-05T19:30:39","slug":"%e5%9f%8b%e3%82%81%e8%be%bc%e3%81%bfpdf%e3%82%92%e7%9b%a3%e8%a6%96","status":"publish","type":"post","link":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/%e5%9f%8b%e3%82%81%e8%be%bc%e3%81%bfpdf%e3%82%92%e7%9b%a3%e8%a6%96\/","title":{"rendered":"\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u57cb\u3081\u8fbc\u307fPDF\u30d3\u30e5\u30fc\u30a2\u3092\u76e3\u8996\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-34610\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/hero-embedded-pdf-viewer-monitoring.webp\" alt=\"\u6587\u66f8\u304c\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u306e\u57cb\u3081\u8fbc\u307fPDF\u30d3\u30e5\u30fc\u30a2\u9818\u57df\u304c\u6b63\u3057\u304f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3066\u3044\u306a\u3044\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u3092\u793a\u3059\u30d6\u30e9\u30a6\u30b6\u30a6\u30a3\u30f3\u30c9\u30a6\" width=\"1200\" height=\"800\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/hero-embedded-pdf-viewer-monitoring.webp 1200w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/hero-embedded-pdf-viewer-monitoring-300x200.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/hero-embedded-pdf-viewer-monitoring-1024x683.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/hero-embedded-pdf-viewer-monitoring-768x512.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u3042\u306a\u305f\u306e\u7a3c\u50cd\u76e3\u8996\u306f200 OK\u3092\u5831\u544a\u3057\u307e\u3059\u3002\u30da\u30fc\u30b8\u306f\u8aad\u307f\u8fbc\u307e\u308c\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u304a\u5ba2\u69d8\u304c\u95b2\u89a7\u3057\u306b\u6765\u305f\u5951\u7d04\u66f8\u306f\u3001\u6587\u66f8\u304c\u3042\u308b\u3079\u304d\u3068\u3053\u308d\u306b\u7070\u8272\u306e\u9577\u65b9\u5f62\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u57cb\u3081\u8fbc\u307fPDF\u30d3\u30e5\u30fc\u30a2\u306f\u3001\u30da\u30fc\u30b8\u30ec\u30d9\u30eb\u306e\u30c1\u30a7\u30c3\u30af\u3067\u306f\u6c7a\u3057\u3066\u691c\u51fa\u3055\u308c\u306a\u3044\u5931\u6557\u3092\u3057\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u30da\u30fc\u30b8\u306f\u6b63\u5e38\u3067\u3059\u3002\u3057\u304b\u3057\u305d\u306e\u4e2d\u306e\u30d3\u30e5\u30fc\u30a2\u306f\u6b63\u5e38\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u58ca\u308c\u305f\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u4eba\u306f\u81ea\u5206\u306e\u30d6\u30e9\u30a6\u30b6\u306e\u554f\u984c\u3060\u3068\u601d\u3063\u3066\u30c1\u30b1\u30c3\u30c8\u3092\u63d0\u51fa\u3057\u307e\u305b\u3093\u3057\u3001\u7acb\u3061\u53bb\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u4f55\u304c\u58ca\u308c\u308b\u306e\u304b\u3001\u306a\u305c\u6a19\u6e96\u306e\u7a3c\u50cd\u30c1\u30a7\u30c3\u30af\u3067\u898b\u9003\u3055\u308c\u308b\u306e\u304b\u3001\u8aad\u8005\u3088\u308a\u3082\u5148\u306b\u691c\u51fa\u3059\u308b\u305f\u3081\u306b\u4f55\u3092\u7528\u610f\u3059\u3079\u304d\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u3053\u306e\u30ac\u30a4\u30c9\u306e\u5185\u5bb9<\/strong><\/p>\n<ul>\n<li><a href=\"#what-counts-as-an-embedded-pdf-viewer\">\u57cb\u3081\u8fbc\u307fPDF\u30d3\u30e5\u30fc\u30a2\u3068\u306f\u4f55\u304b\uff1f<\/a><\/li>\n<li><a href=\"#why-a-standard-uptime-check-misses-a-broken-viewer\">\u306a\u305c\u6a19\u6e96\u306e\u7a3c\u50cd\u30c1\u30a7\u30c3\u30af\u306f\u58ca\u308c\u305f\u30d3\u30e5\u30fc\u30a2\u3092\u898b\u9003\u3059\u306e\u304b<\/a><\/li>\n<li><a href=\"#how-embedded-pdf-viewers-fail\">\u57cb\u3081\u8fbc\u307fPDF\u30d3\u30e5\u30fc\u30a2\u306e\u6545\u969c\u306e\u4ed5\u7d44\u307f<\/a><\/li>\n<li><a href=\"#where-broken-pdf-viewers-cost-you\">\u58ca\u308c\u305fPDF\u30d3\u30e5\u30fc\u30a2\u304c\u3082\u305f\u3089\u3059\u640d\u5931<\/a><\/li>\n<li><a href=\"#how-to-monitor-an-embedded-pdf-viewer\">\u57cb\u3081\u8fbc\u307fPDF\u30d3\u30e5\u30fc\u30a2\u306e\u76e3\u8996\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"#what-to-assert-on-and-how-often\">\u4f55\u3092\u3069\u306e\u304f\u3089\u3044\u306e\u983b\u5ea6\u3067\u691c\u8a3c\u3059\u3079\u304d\u304b<\/a><\/li>\n<li><a href=\"#the-bottom-line\">\u307e\u3068\u3081<\/a><\/li>\n<li><a href=\"#heading-faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li>\n<\/ul>\n<h2 id='\u57cb\u3081\u8fbc\u307fpdf\u30d3\u30e5\u30fc\u30a2\u3068\u306f\u4f55\u304b'  id=\"boomdevs_1\" id=\"what-counts-as-an-embedded-pdf-viewer\">\u57cb\u3081\u8fbc\u307fPDF\u30d3\u30e5\u30fc\u30a2\u3068\u306f\u4f55\u304b\uff1f<\/h2>\n<p>\u307b\u3068\u3093\u3069\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30b5\u30a4\u30c8\u3067\u898b\u3089\u308c\u308b\u5185\u5bb9\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3067\u30ab\u30d0\u30fc\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u30d6\u30e9\u30a6\u30b6\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u57cb\u3081\u8fbc\u307f\u3002<\/strong> PDF\u306eURL\u3092\u6307\u3059<code>&lt;iframe&gt;<\/code>\u3001<code>&lt;embed&gt;<\/code>\u3001\u307e\u305f\u306f<code>&lt;object&gt;<\/code>\u30bf\u30b0\u3002Chrome\u3001Edge\u3001Firefox\u3001Safari\u306f\u305d\u308c\u305e\u308c\u72ec\u81ea\u306e\u5185\u8535\u30d3\u30e5\u30fc\u30a2\u3067\u8868\u793a\u3057\u3001\u52d5\u4f5c\u306f\u591a\u5c11\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>Adobe PDF Embed API\u3002<\/strong> Adobe\u304c\u7121\u511f\u63d0\u4f9b\u3059\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3002\u30da\u30fc\u30b8\u306f<code>https:\/\/acrobatservices.adobe.com\/view-sdk\/viewer.js<\/code>\u3092\u8aad\u307f\u8fbc\u307f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8ID\u3092\u6e21\u3057\u3001<code>previewFile()<\/code>\u3067\u6587\u66f8URL\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002Adobe\u306f4\u3064\u306e\u57cb\u3081\u8fbc\u307f\u30e2\u30fc\u30c9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\uff1a\u5168\u753b\u9762\u3001\u30b5\u30a4\u30ba\u6307\u5b9a\u30b3\u30f3\u30c6\u30ca\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u3001\u30e9\u30a4\u30c8\u30dc\u30c3\u30af\u30b9\u3002<\/p>\n<p><strong>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30d3\u30e5\u30fc\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea\u3002<\/strong> PDF.js\u3001Apryse WebViewer\u3001Nutrient\u306a\u3069\u3001\u30da\u30fc\u30b8\u3092\u3042\u306a\u305f\u304c\u7ba1\u7406\u3059\u308b\u30ad\u30e3\u30f3\u30d0\u30b9\u8981\u7d20\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308bSDK\u3002<\/p>\n<p>\u3053\u308c\u3089\u3059\u3079\u3066\u306b\u5171\u901a\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u6587\u66f8\u306f\u30da\u30fc\u30b8\u3092\u914d\u4fe1\u3059\u308b\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u306f\u542b\u307e\u308c\u3066\u304a\u3089\u305a\u3001\u305d\u306e\u5f8c\u5225\u9014\u53d6\u5f97\u3055\u308c\u308b\u3053\u3068\u3067\u3059\u3002\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u30d6\u30e9\u30a6\u30b6\u306e\u5185\u8535\u30d3\u30e5\u30fc\u30a2\u304c\u53d6\u5f97\u3057\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306eJavaScript\u304c\u53d6\u5f97\u3057\u3001\u591a\u304f\u306f\u30da\u30fc\u30b8\u306e\u30db\u30b9\u30c8\u3068\u306f\u7570\u306a\u308b\u30db\u30b9\u30c8\u304b\u3089\u53d6\u5f97\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2 id='\u306a\u305c\u6a19\u6e96\u306e\u7a3c\u50cd\u30c1\u30a7\u30c3\u30af\u306f\u58ca\u308c\u305f\u30d3\u30e5\u30fc\u30a2\u3092\u898b\u9003\u3059\u306e\u304b'  id=\"boomdevs_2\" id=\"why-a-standard-uptime-check-misses-a-broken-viewer\">\u306a\u305c\u6a19\u6e96\u306e\u7a3c\u50cd\u30c1\u30a7\u30c3\u30af\u306f\u58ca\u308c\u305f\u30d3\u30e5\u30fc\u30a2\u3092\u898b\u9003\u3059\u306e\u304b<\/h2>\n<p>HTTP\u7a3c\u50cd\u30c1\u30a7\u30c3\u30af\u306f\u30da\u30fc\u30b8\u3092\u30ea\u30af\u30a8\u30b9\u30c8\u3057\u3066\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u8aad\u307f\u53d6\u308a\u307e\u3059\u3002200\u304c\u8fd4\u308a\u3001\u4e2d\u8eab\u306f\u7a7a\u306e<code>&lt;div id=\"adobe-dc-view\"&gt;<\/code>\u3092\u542b\u3080HTML\u30d6\u30ed\u30c3\u30af\u3067\u3059\u3002\u3053\u306e\u30c1\u30a7\u30c3\u30af\u306f\u5408\u683c\u3057\u307e\u3059\u3002\u30da\u30fc\u30b8\u304cHTML\u3092\u8fd4\u3059\u9650\u308a5\u5206\u304a\u304d\u306b\u5408\u683c\u3057\u7d9a\u3051\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u8aad\u8005\u306b\u6587\u66f8\u304c\u8868\u793a\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u3059\u3079\u3066\u306e\u51e6\u7406\u306f\u3053\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u5f8c\u306b\u8d77\u3053\u308a\u307e\u3059\uff1a<\/p>\n<ol>\n<li>\u30d6\u30e9\u30a6\u30b6\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30db\u30b9\u30c8\u304b\u3089\u30d3\u30e5\u30fc\u30a2\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u53d6\u5f97\u3059\u308b\u3002<\/li>\n<li>\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u521d\u671f\u5316\u3055\u308c\u3001\u30b3\u30f3\u30c6\u30ca\u8981\u7d20\u3092\u5360\u6709\u3059\u308b\u3002<\/li>\n<li>Adobe\u304c\u767b\u9332\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8ID\u3092\u691c\u8a3c\u3059\u308b\u3002<\/li>\n<li>\u30d3\u30e5\u30fc\u30a2\u304cPDF\u3092\u8981\u6c42\u3059\u308b\u3002\u591a\u304f\u306f\u30da\u30fc\u30b8\u3068\u306f\u7570\u306a\u308b\u30aa\u30ea\u30b8\u30f3\u304b\u3089\u3002<\/li>\n<li>\u6700\u521d\u306e\u30da\u30fc\u30b8\u304c\u30b3\u30f3\u30c6\u30ca\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u3002<\/li>\n<\/ol>\n<p>HTTP\u30c1\u30a7\u30c3\u30af\u306f\u3053\u308c\u3089\u306e\u51e6\u7406\u3092\u4e00\u5207\u898b\u3066\u3044\u307e\u305b\u3093\u3002\u3053\u308c\u306f<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/%e3%82%b5%e3%83%bc%e3%83%89%e3%83%91%e3%83%bc%e3%83%86%e3%82%a3%e3%81%ae%e3%82%b3%e3%83%b3%e3%83%86%e3%83%b3%e3%83%84%e7%9b%a3%e8%a6%96\/\">\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b3\u30f3\u30c6\u30f3\u30c4\u76e3\u8996<\/a>\u306b\u5171\u901a\u3059\u308b\u76f2\u70b9\u3067\u3059\u3002\u3042\u306a\u305f\u304c\u69cb\u7bc9\u3057\u3066\u3044\u306a\u3044\u30da\u30fc\u30b8\u306e\u90e8\u5206\u306f\u3001\u76e3\u8996\u304c\u6700\u3082\u30ab\u30d0\u30fc\u3057\u306b\u304f\u3044\u90e8\u5206\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_34617\" aria-describedby=\"caption-attachment-34617\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-34617\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/uptime-check-vs-reader-view.webp\" alt=\"HTTP\u7a3c\u50cd\u30c1\u30a7\u30c3\u30af\uff08\u7a7a\u306e\u30b3\u30f3\u30c6\u30cadiv\u3067200\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u78ba\u8a8d\uff09\u3068\u8aad\u8005\u304c\u898b\u308b\uff08\u58ca\u308c\u305fPDF\u30d3\u30e5\u30fc\u30a2\uff09\u306e\u6bd4\u8f03\u56f3\" width=\"1200\" height=\"686\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/uptime-check-vs-reader-view.webp 1200w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/uptime-check-vs-reader-view-300x172.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/uptime-check-vs-reader-view-1024x585.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/uptime-check-vs-reader-view-768x439.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-34617\" class=\"wp-caption-text\">HTTP\u30c1\u30a7\u30c3\u30af\u306f\u30b3\u30f3\u30c6\u30ca\u30da\u30fc\u30b8\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u8aad\u8005\u306f\u305d\u306e\u4e2d\u306b\u8aad\u307f\u8fbc\u307e\u308c\u305f\u6587\u66f8\u3092\u898b\u3066\u3044\u307e\u3059\u3002<\/figcaption><\/figure>\n<h2 id='\u57cb\u3081\u8fbc\u307fpdf\u30d3\u30e5\u30fc\u30a2\u306e\u6545\u969c\u306e\u4ed5\u7d44\u307f'  id=\"boomdevs_3\" id=\"how-embedded-pdf-viewers-fail\">\u57cb\u3081\u8fbc\u307fPDF\u30d3\u30e5\u30fc\u30a2\u306e\u6545\u969c\u306e\u4ed5\u7d44\u307f<\/h2>\n<h3 id='\u6587\u66f8url\u306e\u7834\u640d'  id=\"boomdevs_4\">\u6587\u66f8URL\u306e\u7834\u640d<\/h3>\n<p>\u6700\u3082\u4e00\u822c\u7684\u3067\u3001\u3055\u307b\u3069\u5287\u7684\u3067\u306f\u306a\u3044\u539f\u56e0\u3067\u3059\u3002CMS\u306e\u79fb\u884c\u3067\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u304c\u5909\u308f\u308b\u3002\u7f72\u540d\u4ed8\u304dS3\u3084Azure Blob\u306eURL\u304c\u671f\u9650\u5207\u308c\u306b\u306a\u308b\u3002\u30b9\u30c8\u30ec\u30fc\u30b8\u30d0\u30b1\u30c3\u30c8\u306e\u6574\u7406\u3067\u5bfe\u8c61\u304c\u6d88\u3048\u308b\u3002\u30da\u30fc\u30b8\u306f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u30d3\u30e5\u30fc\u30a2\u3082\u521d\u671f\u5316\u3055\u308c\u307e\u3059\u304c\u3001\u30d5\u30a7\u30c3\u30c1\u306f404\u3092\u8fd4\u3057\u3001CDN\u30ed\u30b0\u3084\u30d6\u30e9\u30a6\u30b6\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u306f\u73fe\u308c\u308b\u3082\u306e\u306e\u8ab0\u3082\u76e3\u8996\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<h3 id='cors\u306b\u3088\u308b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30d6\u30ed\u30c3\u30af'  id=\"boomdevs_5\">CORS\u306b\u3088\u308b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30d6\u30ed\u30c3\u30af<\/h3>\n<p><a href=\"https:\/\/developer.adobe.com\/document-services\/docs\/overview\/pdf-embed-api\/howtos\/\" target=\"_blank\" rel=\"noopener\">Adobe\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3067\u306f\u3053\u308c\u3092\u6307\u6458\u3057\u3066\u3044\u307e\u3059\u3002PDF\u30b3\u30f3\u30c6\u30f3\u30c4\u3092URL\u6e21\u3057\u3057\u3066\u4ed6\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u3059\u308b\u969b\u306bCORS\u554f\u984c\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u5bfe\u51e6\u65b9\u6cd5\u306f\u3001\u30da\u30fc\u30b8\u3068\u6587\u66f8\u3092\u540c\u4e00\u30c9\u30e1\u30a4\u30f3\u3067\u30db\u30b9\u30c8\u3059\u308b\u304b\u3001PDF\u30ea\u30bd\u30fc\u30b9\u3067CORS\u30d8\u30c3\u30c0\u30fc\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d3\u30e5\u30fc\u3067\u6587\u66f8\u30db\u30b9\u30c8\u306e\u30d8\u30c3\u30c0\u30fc\u3092\u53b3\u683c\u306b\u3059\u308b\u3068\u30011\u884c\u3082\u30da\u30fc\u30b8\u30b3\u30fc\u30c9\u3092\u89e6\u3089\u305a\u5168\u3066\u306e\u57cb\u3081\u8fbc\u307f\u30d3\u30e5\u30fc\u30a2\u304c\u58ca\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3 id='\u30af\u30e9\u30a4\u30a2\u30f3\u30c8id\u304c\u30c9\u30e1\u30a4\u30f3\u3068\u5408\u308f\u306a\u304f\u306a\u308b'  id=\"boomdevs_6\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8ID\u304c\u30c9\u30e1\u30a4\u30f3\u3068\u5408\u308f\u306a\u304f\u306a\u308b<\/h3>\n<p>\u3053\u308c\u304c\u30c1\u30fc\u30e0\u3092\u9a5a\u304b\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002Adobe\u306f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u958b\u59cb\u5f8c\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8ID\u306e\u691c\u8a3c\u3092\u884c\u3044\u3001\u767b\u9332\u30c9\u30e1\u30a4\u30f3\u4ee5\u5916\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u3068\u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002\u65b0\u3057\u3044\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u7acb\u3061\u4e0a\u3052\u305f\u308a\u3001\u65b0\u3057\u3044\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30b5\u30a4\u30c8\u3078\u79fb\u884c\u3057\u305f\u308a\u3001\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u30d3\u30eb\u30c9\u3092\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u30af\u30e9\u30a4\u30a2\u30f3\u30c8ID\u306e\u307e\u307e\u516c\u958b\u3057\u305f\u5834\u5408\u3001\u307e\u3055\u306b\u305d\u306e\u30da\u30fc\u30b8\u3067\u30d3\u30e5\u30fc\u30a2\u304c\u5931\u6557\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30d3\u30e5\u30fc\u30a2\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u306a\u3044'  id=\"boomdevs_7\">\u30d3\u30e5\u30fc\u30a2\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u306a\u3044<\/h3>\n<p>\u3042\u306a\u305f\u306e\u30da\u30fc\u30b8\u306f\u4ed6\u793eCDN\u304b\u3089\u63d0\u4f9b\u3055\u308c\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002Content Security Policy\u306e\u5909\u66f4\u3001\u4f01\u696d\u30d7\u30ed\u30ad\u30b7\u3001\u5e83\u544a\u30d6\u30ed\u30c3\u30ab\u30fc\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u30db\u30b9\u30c8\u306e\u969c\u5bb3\u304c\u3001\u7a7a\u306e\u30b3\u30f3\u30c6\u30ca\u3092\u751f\u307f\u307e\u3059\u3002CSP\u304c\u539f\u56e0\u306e\u5834\u5408\u306f\u901a\u5e38\u30d3\u30e5\u30fc\u30a2\u30b9\u30af\u30ea\u30d7\u30c8\u306e<code>script-src<\/code>\u3001\u6587\u66f8\u53d6\u5f97\u306e\u305f\u3081\u306e<code>frame-src<\/code>\u3084<code>connect-src<\/code>\u306e\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3 id='\u8a8d\u8a3c\u304c\u6587\u66f8\u306e\u80cc\u5f8c\u3067\u671f\u9650\u5207\u308c\u306b\u306a\u308b'  id=\"boomdevs_8\">\u8a8d\u8a3c\u304c\u6587\u66f8\u306e\u80cc\u5f8c\u3067\u671f\u9650\u5207\u308c\u306b\u306a\u308b<\/h3>\n<p>\u30ed\u30b0\u30a4\u30f3\u304c\u5fc5\u8981\u306a\u6587\u66f8\u306f\u30d3\u30e5\u30fc\u30a2\u306b\u3088\u3063\u3066\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5\u304c\u7570\u306a\u308a\u307e\u3059\uff1a\u7f72\u540d\u4ed8\u304dURL\u3001\u8cc7\u683c\u60c5\u5831\u3067\u6e21\u3055\u308c\u308b\u30bb\u30c3\u30b7\u30e7\u30f3Cookie\u3001SDK\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308c\u3070\u30ab\u30b9\u30bf\u30e0\u30d8\u30c3\u30c0\u30fc\u306b\u542b\u3080Bearer\u30c8\u30fc\u30af\u30f3\u306a\u3069\u3002\u5358\u7d14\u306a<code>&lt;iframe&gt;<\/code>\u306f\u30d8\u30c3\u30c0\u30fc\u6dfb\u4ed8\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u8a8d\u8a3c\u6587\u66f8\u306f\u7f72\u540d\u4ed8\u304dURL\u3067\u6271\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u3069\u306e\u65b9\u6cd5\u3067\u3082\u30c8\u30fc\u30af\u30f3\u306f\u671f\u9650\u5207\u308c\u306b\u306a\u308a\u3001SSO\u79fb\u884c\u5f8c\u306b\u30af\u30c3\u30ad\u30fc\u30b9\u30b3\u30fc\u30d7\u304c\u5909\u308f\u308a\u3001\u30d3\u30e5\u30fc\u30a2\u306f\u4f55\u3082\u8868\u793a\u3057\u306a\u3044401\u30a8\u30e9\u30fc\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002\u3053\u3053\u306b\u306f<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/id-%e7%ae%a1%e7%90%86%e8%aa%8d%e8%a8%bc%e3%82%92%e5%bf%85%e8%a6%81%e3%81%a8%e3%81%99%e3%82%8b%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%ae%e7%9b%a3%e8%a6%96\/\">\u8a8d\u8a3c\u304c\u5fc5\u8981\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u76e3\u8996<\/a>\u3068\u540c\u69d8\u306e\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h3 id='pdf\u304c\u30d3\u30e5\u30fc\u30a2\u3067\u672a\u5bfe\u5fdc\u306e\u6a5f\u80fd\u3092\u4f7f\u3046'  id=\"boomdevs_9\">PDF\u304c\u30d3\u30e5\u30fc\u30a2\u3067\u672a\u5bfe\u5fdc\u306e\u6a5f\u80fd\u3092\u4f7f\u3046<\/h3>\n<p>Adobe PDF Embed API\u306fXFA\u30d5\u30a9\u30fc\u30e0\u3001\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u30d0\u30fc\u30b3\u30fc\u30c9\u30d5\u30a3\u30fc\u30eb\u30c9\u3001JavaScript\u8a08\u7b97\u3092\u884c\u3046\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u305b\u3093\u3002XFA\u304c\u307e\u3060\u4f7f\u308f\u308c\u3066\u3044\u308b\u5834\u6240\u3001\u3059\u306a\u308f\u3061\u653f\u5e9c\u306e\u7533\u8acb\u66f8\u3001\u4fdd\u967a\u8acb\u6c42\u66f8\u3001Adobe LiveCycle\u3067\u4f5c\u6210\u3055\u308c\u305f\u53e4\u3044\u6cd5\u7684\u66f8\u985e\u3067\u7279\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u30c7\u30b9\u30af\u30c8\u30c3\u30d7Acrobat\u3067\u306f\u554f\u984c\u306a\u304f\u958b\u304d\u307e\u3059\u304c\u3001\u57cb\u3081\u8fbc\u307f\u6642\u306f\u8b66\u544a\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3057\u3066\u5b9f\u7528\u7684\u306a\u30d5\u30a9\u30fc\u30e0\u306b\u306a\u308a\u307e\u305b\u3093\u3002Adobe\u306f\u30d5\u30a1\u30a4\u30eb\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30925\u5206\u307e\u3067\u306b\u5236\u9650\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u3092\u8d85\u3048\u308b\u3068<code>Preview Rendering Failed<\/code>\u30a8\u30e9\u30fc\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<h2 id='\u58ca\u308c\u305fpdf\u30d3\u30e5\u30fc\u30a2\u304c\u3082\u305f\u3089\u3059\u640d\u5931'  id=\"boomdevs_10\" id=\"where-broken-pdf-viewers-cost-you\">\u58ca\u308c\u305fPDF\u30d3\u30e5\u30fc\u30a2\u304c\u3082\u305f\u3089\u3059\u640d\u5931<\/h2>\n<p>\u307b\u3068\u3093\u3069\u306e\u6545\u969c\u306f\u516c\u958b\u6642\u671f\u306b\u767a\u751f\u3057\u3001\u305d\u308c\u306f\u6587\u66f8\u304c\u6700\u3082\u91cd\u8981\u306a\u6642\u671f\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u6295\u8cc7\u5bb6\u5411\u3051\u5e83\u5831\u3002<\/strong> \u56db\u534a\u671f\u6c7a\u7b97\u306f\u6c7a\u307e\u3063\u305f\u65e5\u6642\u306b\u516c\u958b\u3055\u308c\u307e\u3059\u3002\u30d7\u30ec\u30b9\u30ea\u30ea\u30fc\u30b9\u30da\u30fc\u30b8\u306f\u6b63\u5e38\u306b\u516c\u958b\u3055\u308c\u308b\u304c\u3001\u305d\u306e\u4e0b\u306e10-Q\u306b\u306f\u8ca1\u52d9\u30c1\u30fc\u30e0\u304c1\u6642\u9593\u524d\u306b\u5909\u66f4\u3057\u305f\u30d1\u30b9\u3092\u6307\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u798f\u5229\u539a\u751f\u3068\u4fdd\u967a\u3002<\/strong> \u5e74\u306b\u6570\u9031\u9593\u306e\u30aa\u30fc\u30d7\u30f3\u30a8\u30f3\u30ed\u30fc\u30eb\u30e1\u30f3\u30c8\u671f\u9593\u3002\u30d7\u30e9\u30f3\u6982\u8981\u3001\u85ac\u5264\u30ea\u30b9\u30c8\u3001\u88dc\u511f\u6587\u66f8\u304c\u4e00\u62ec\u518d\u516c\u958b\u3055\u308c\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u6a29\u9650\u306e\u308f\u305a\u304b\u306a\u5909\u66f4\u3067\u4f55\u767e\u3082\u306e\u57cb\u3081\u8fbc\u307f\u30d3\u30e5\u30fc\u30a2\u304c\u4e00\u5ea6\u306b\u771f\u3063\u767d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u653f\u5e9c\u30fb\u516c\u5171\u90e8\u9580\u3002<\/strong> \u8a31\u8a8d\u53ef\u7533\u8acb\u3001\u7a0e\u52d9\u30d5\u30a9\u30fc\u30e0\u3001\u516c\u544a\u306f\u53e4\u3044\u30d5\u30a9\u30fc\u30e0\u6a5f\u80fd\u306e\u6fc3\u5ea6\u304c\u6700\u3082\u9ad8\u304f\u3001\u73fe\u5834\u30c1\u30fc\u30e0\u306f\u30b5\u30a4\u30c8\u306e\u30a8\u30e9\u30fc\u30ed\u30b0\u3092\u898b\u3089\u308c\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<p><strong>\u898f\u5236\u3055\u308c\u305f\u88fd\u54c1\u6587\u66f8\u3002<\/strong> SDS\u3001\u5b89\u5168\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3001\u6a5f\u5668\u30de\u30cb\u30e5\u30a2\u30eb\u3001\u5206\u6790\u8a3c\u660e\u66f8\u306f\u5951\u7d04\u4e0a\u306e\u7fa9\u52d9\u304c\u591a\u304f\u3001\u30d3\u30e5\u30fc\u30a2\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u505c\u6b62\u3059\u308b\u3068\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u554f\u984c\u3068\u306a\u308aUX\u3060\u3051\u306e\u554f\u984c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><strong>\u30d6\u30e9\u30f3\u30c9\u30fb\u55b6\u696d\u8cc7\u6599\u3002<\/strong> \u30ef\u30f3\u30da\u30fc\u30b8\u30e3\u30fc\u3001\u30b1\u30fc\u30b9\u30b9\u30bf\u30c7\u30a3\u3001\u30d6\u30e9\u30f3\u30c9\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3PDF\u306f\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u30da\u30fc\u30b8\u3084\u30d1\u30fc\u30c8\u30ca\u30fc\u30dd\u30fc\u30bf\u30eb\u306b\u7f6e\u304b\u308c\u3001\u516c\u958b\u5f8c\u306f\u898b\u76f4\u3055\u308c\u308b\u3053\u3068\u304c\u5c11\u306a\u3044\u3067\u3059\u304c\u3001\u6700\u3082\u983b\u7e41\u306b\u518d\u69cb\u7bc9\u3055\u308c\u307e\u3059\u3002<a href=\"https:\/\/www.adobe.com\/express\/create\/logo\" target=\"_blank\" rel=\"noopener\">\u30ed\u30b4\u306e\u5237\u65b0<\/a>\u3084\u65b0\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306f\u65b0\u30d5\u30a1\u30a4\u30eb\u3001\u65b0\u30d1\u30b9\u3068\u306a\u308a\u3001\u307e\u3060\u7f6e\u304d\u63db\u3048\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u6307\u3057\u305f\u57cb\u3081\u8fbc\u307f\u304c\u6b8b\u308a\u307e\u3059\u3002<\/p>\n<blockquote><p>\u6587\u66f8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5e74\u306b2\u9031\u9593\u306e\u671f\u9593\u306b\u9650\u3089\u308c\u308b\u5834\u5408\u3001\u5e74\u9593\u3092\u901a\u3058\u3066\u5b9f\u884c\u3055\u308c\u308b\u30c1\u30a7\u30c3\u30af\u3060\u3051\u304c7\u30f6\u6708\u76ee\u306b\u58ca\u308c\u305f\u3053\u3068\u3092\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002<\/p><\/blockquote>\n<h2 id='\u57cb\u3081\u8fbc\u307fpdf\u30d3\u30e5\u30fc\u30a2\u306e\u76e3\u8996\u65b9\u6cd5'  id=\"boomdevs_11\" id=\"how-to-monitor-an-embedded-pdf-viewer\">\u57cb\u3081\u8fbc\u307fPDF\u30d3\u30e5\u30fc\u30a2\u306e\u76e3\u8996\u65b9\u6cd5<\/h2>\n<p>2\u5c64\u304c\u5fc5\u8981\u3067\u3059\uff1a\u6587\u66f8\u30d5\u30a1\u30a4\u30eb\u81ea\u4f53\u306e\u5b89\u4fa1\u306a\u30c1\u30a7\u30c3\u30af\u3068\u3001\u30d3\u30e5\u30fc\u30a2\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u305f\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u5b9f\u30d6\u30e9\u30a6\u30b6\u30c1\u30a7\u30c3\u30af\u3002\u4ee5\u4e0b\u306e\u9806\u3067\u69cb\u7bc9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>\u30b9\u30c6\u30c3\u30d71\uff1a\u6587\u66f8\u3092\u57cb\u3081\u8fbc\u3093\u3060\u30da\u30fc\u30b8\u3092\u628a\u63e1\u3059\u308b\u3002<\/strong> \u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3084CMS\u3067<code>adobe-dc-view<\/code>\u3001<code>viewer.js<\/code>\u3001<code>previewFile<\/code>\u3001<code>&lt;embed<\/code>\u3001<code>&lt;object<\/code>\u3001iframe\u30bd\u30fc\u30b9\u5185\u306e<code>.pdf<\/code>\u3092\u691c\u7d22\u3057\u307e\u3059\u3002CMS\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u8a2d\u5b9a\u3082\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u591a\u304f\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30b5\u30a4\u30c8\u306f\u6587\u66f8URL\u3092\u30d5\u30a3\u30fc\u30eb\u30c9\u304b\u3089\u7d44\u307f\u7acb\u3066\u3066\u3044\u308b\u305f\u3081\u3001\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u306b\u76f4\u63a5\u66f8\u3044\u3066\u3044\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u5927\u534a\u306e\u30c1\u30fc\u30e0\u306f\u4e88\u60f3\u4ee5\u4e0a\u306b\u591a\u304f\u306e\u57cb\u3081\u8fbc\u307f\u3092\u898b\u3064\u3051\u307e\u3059\u3002\u4e2d\u306b\u306f\u8ab0\u306e\u6240\u6709\u3067\u3082\u306a\u3044\u30da\u30fc\u30b8\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u30b9\u30c6\u30c3\u30d72\uff1a\u6587\u66f8URL\u3092\u76f4\u63a5\u76e3\u8996\u3059\u308b\u3002<\/strong> HTTP\u30c1\u30a7\u30c3\u30af\u3092PDF\u30d5\u30a1\u30a4\u30eb\u306b\u5411\u3051\u3066\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002200\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u57fa\u6e96\u306b\u3001\u30b5\u30a4\u30ba\u4e0b\u9650\u3092\u8a2d\u3051\u3066\u30bc\u30ed\u30d0\u30a4\u30c8\u30d5\u30a1\u30a4\u30eb\u3084HTML\u30a8\u30e9\u30fc\u30da\u30fc\u30b8\u3067\u5931\u6557\u3055\u305b\u307e\u3059\u3002\u53ef\u80fd\u306a\u3089\u672c\u6587\u304c<code>%PDF-<\/code>\u3067\u59cb\u307e\u308b\u3053\u3068\u3092\u691c\u8a3c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<code>Content-Type<\/code>\u30d8\u30c3\u30c0\u30fc\u306b\u983c\u308b\u306e\u306f\u907f\u3051\u307e\u3059\u3002\u591a\u304f\u306e\u6587\u66f8\u30db\u30b9\u30c8\u304cPDF\u3092<code>application\/octet-stream<\/code>\u3068\u3057\u3066\u63d0\u4f9b\u3059\u308b\u305f\u3081\u3067\u3059\u3002HEAD\u3088\u308aGET\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002\u306a\u305c\u306a\u3089\u4e00\u90e8\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306fHEAD\u3092\u62d2\u5426\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p><strong>\u30b9\u30c6\u30c3\u30d73\uff1a\u30b3\u30f3\u30c6\u30ca\u30da\u30fc\u30b8\u3092\u5b9f\u30d6\u30e9\u30a6\u30b6\u3067\u8aad\u307f\u8fbc\u3080\u3002<\/strong> HTTP\u30c1\u30a7\u30c3\u30af\u306fJavaScript\u3092\u5b9f\u884c\u3067\u304d\u306a\u3044\u305f\u3081\u30d3\u30e5\u30fc\u30a2\u306f\u521d\u671f\u5316\u3055\u308c\u307e\u305b\u3093\u3002<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%e8%a3%bd%e5%93%81\/web-%e3%83%9a%e3%83%bc%e3%82%b8%e7%9b%a3%e8%a6%96-%e3%83%89%e3%83%83%e3%83%88%e3%82%b3%e3%83%a0%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%bc\/\">Dotcom-Monitor\u306e\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u76e3\u8996<\/a>\u306f\u5b9f\u30d6\u30e9\u30a6\u30b6\u3067\u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u307f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5168\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3092\u793a\u3059\u305f\u3081\u3001\u30d3\u30e5\u30fc\u30a2\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u6587\u66f8\u30d5\u30a7\u30c3\u30c1\u3092\u8aad\u8005\u306e\u30de\u30b7\u30f3\u3068\u540c\u3058\u3088\u3046\u306b\u898b\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u5225\u30d5\u30a1\u30a4\u30eb\u30c1\u30a7\u30c3\u30af\u3067\u6349\u3048\u3089\u308c\u306a\u3044CORS\u62d2\u5426\u3001\u30d6\u30ed\u30c3\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u3001SameSite\u5909\u66f4\u3067\u751f\u304d\u6b8b\u308c\u306a\u304b\u3063\u305fCookie\u3082\u691c\u77e5\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30b9\u30c6\u30c3\u30d74\uff1a\u30d3\u30e5\u30fc\u30a2\u304c\u51fa\u529b\u3057\u305f\u4f55\u304b\u3092\u691c\u8a3c\u3059\u308b\u3002<\/strong> \u3053\u308c\u304c\u30c1\u30a7\u30c3\u30af\u3092\u6709\u610f\u7fa9\u306b\u3059\u308b\u30b9\u30c6\u30c3\u30d7\u3067\u3001\u3082\u3063\u3068\u3082\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002PDF\u30d3\u30e5\u30fc\u30a2\u306f\u8868\u793a\u5185\u5bb9\u3092\u69d8\u3005\u306b\u96a0\u3057\u307e\u3059\u3002PDF.js\u306f\u30c6\u30ad\u30b9\u30c8\u30ec\u30a4\u30e4\u30fc\u3092\u76f4\u63a5\u691c\u8a3c\u53ef\u80fd\u3067\u3059\u3002Adobe\u306eSDK\u3084\u30ad\u30e3\u30f3\u30d0\u30b9\u30d9\u30fc\u30b9\u306e\u30d3\u30e5\u30fc\u30a2\u306f\u753b\u50cf\u3067\u30da\u30fc\u30b8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u305f\u3081\u3001\u5468\u8fba\u306eUI\u90e8\u54c1\uff08\u30da\u30fc\u30b8\u6570\u8868\u793a\u3001\u30c4\u30fc\u30eb\u30d0\u30fc\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30da\u30fc\u30b8\u30b3\u30f3\u30c6\u30ca\uff09\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u30cd\u30a4\u30c6\u30a3\u30d6\u306e<code>&lt;iframe&gt;<\/code>\u57cb\u3081\u8fbc\u307f\u306fDOM\u306b\u307b\u3068\u3093\u3069\u4f55\u3082\u9732\u51fa\u3057\u306a\u3044\u305f\u3081\u3001PDF\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d50\u679c\u3068\u30d3\u30b8\u30e5\u30a2\u30eb\u691c\u8a3c\u306b\u983c\u308a\u307e\u3059\u3002<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e9%a1%94%e7%ab%8b%e3%81%a1\/everystep\/\">EveryStep Web Recorder<\/a>\u3067\u30da\u30fc\u30b8\u3092\u9332\u753b\u3057\u3001&#8221;Preview Rendering Failed&#8221;\u3084&#8221;Failed to load PDF document&#8221;\u3068\u3044\u3063\u305f\u30a8\u30e9\u30fc\u30c6\u30ad\u30b9\u30c8\u306b\u5bfe\u3059\u308b\u30cd\u30ac\u30c6\u30a3\u30d6\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3057\u3066\u30c1\u30a7\u30c3\u30af\u5931\u6557\u3068\u3057\u307e\u3059\u3002Dotcom-Monitor\u306e<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e9%a1%94%e7%ab%8b%e3%81%a1\/assertions-monitoring\/\">\u30b3\u30f3\u30c6\u30f3\u30c4\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3<\/a>\u304c\u4e21\u65b9\u5411\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u30b9\u30c6\u30c3\u30d75\uff1a\u8a8d\u8a3c\u4ed8\u304d\u30eb\u30fc\u30c8\u3092\u5225\u9014\u30ab\u30d0\u30fc\u3059\u308b\u3002<\/strong> \u6587\u66f8\u304c\u30ed\u30b0\u30a4\u30f3\u80cc\u5f8c\u306b\u3042\u308c\u3070\u3001\u30b5\u30a4\u30f3\u30a4\u30f3\u3068\u6587\u66f8\u95b2\u89a7\u3092\u4e00\u9023\u306e<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%e8%a3%bd%e5%93%81\/web-application-monitoring\/\">\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u76e3\u8996<\/a>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\uff08\u30de\u30eb\u30c1\u30b9\u30c6\u30c3\u30d7\u30d6\u30e9\u30a6\u30b6\u30b9\u30af\u30ea\u30d7\u30c8\uff09\u3068\u3057\u3066\u9332\u753b\u3057\u307e\u3059\u3002\u8cc7\u683c\u60c5\u5831\u306f\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u4fdd\u5b58\u305b\u305a\u5b89\u5168\u306a\u30dc\u30fc\u30eb\u30c8\u306b\u683c\u7d0d\u3057\u307e\u3059\u3002\u793e\u5185\u30dd\u30fc\u30bf\u30eb\u306a\u3069\u30d1\u30d6\u30ea\u30c3\u30af\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3051\u308c\u3070\u3001\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e9%a1%94%e7%ab%8b%e3%81%a1\/%e7%89%b9%e5%be%b4%e3%83%97%e3%83%a9%e3%82%a4%e3%83%99%e3%83%bc%e3%83%88%e3%83%bb%e3%82%a8%e3%83%bc%e3%82%b8%e3%82%a7%e3%83%b3%e3%83%88\/\">\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8<\/a>\u304b\u3089\u540c\u4e00\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>\u30b9\u30c6\u30c3\u30d76\uff1a\u81ea\u793e\u7ba1\u7406\u5916\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u76e3\u8996\u3059\u308b\u3002<\/strong> \u30d3\u30e5\u30fc\u30a2\u30b9\u30af\u30ea\u30d7\u30c8\u306eURL\u306bHTTP\u30c1\u30a7\u30c3\u30af\u3092\u5411\u3051\u3001\u6587\u66f8\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b9\u30c8\u30a2\u3084\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b5\u30fc\u30d3\u30b9\u306b\u3042\u308c\u3070\u3001\u8a72\u5f53\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%e8%a3%bd%e5%93%81\/api-monitoring\/\">API\u76e3\u8996<\/a>\u3082\u8ffd\u52a0\u3057\u307e\u3059\u3002\u57cb\u3081\u8fbc\u307f\u30d3\u30e5\u30fc\u30a2\u304c\u58ca\u308c\u305f\u5834\u5408\u3001\u7b2c\u4e09\u8005\u969c\u5bb3\u3068\u81ea\u793e\u5074\u5909\u66f4\u3092\u533a\u5225\u3067\u304d\u307e\u3059\u3002\u6587\u66f8\u30db\u30b9\u30c8\u306e<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%e8%a3%bd%e5%93%81\/ssl-certificate-monitoring\/\">SSL\u8a3c\u660e\u66f8\u76e3\u8996<\/a>\u3082\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5225\u30c9\u30e1\u30a4\u30f3\u306e\u8a3c\u660e\u66f8\u5207\u308c\u304c\u30d5\u30a7\u30c3\u30c1\u3092\u58ca\u3059\u306e\u306b\u30e1\u30a4\u30f3\u30b5\u30a4\u30c8\u306f\u6b63\u5e38\u306e\u307e\u307e\u3001\u3068\u3044\u3046\u4e8b\u614b\u3092\u9632\u3052\u307e\u3059\u3002<\/p>\n<p><strong>\u30b9\u30c6\u30c3\u30d77\uff1a\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u3060\u3051\u3067\u306a\u304f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u306b\u3082\u95be\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/strong> 40MB\u306e\u30b9\u30ad\u30e3\u30f3\u6587\u66f8\u304c25\u79d2\u304b\u304b\u3063\u3066\u8868\u793a\u3055\u308c\u308b\u306e\u306f\u8aad\u8005\u306b\u3068\u3063\u3066\u58ca\u308c\u3066\u3044\u308b\u3068\u540c\u7fa9\u3067\u3059\u3002\u6210\u529f\u3057\u305f\u6570\u56de\u306e<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/web-%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e%e3%83%b3%e3%82%b9%e3%81%ae%e6%9c%80%e9%81%a9%e5%8c%96-%e3%82%a6%e3%82%a9%e3%83%bc%e3%82%bf%e3%83%bc%e3%83%95%e3%82%a9%e3%83%bc%e3%83%ab-%e3%82%b0\/\">\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u30c1\u30e3\u30fc\u30c8<\/a>\u3092\u4f7f\u3044\u901a\u5e38\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u3092\u898b\u3064\u3051\u3001\u610f\u5473\u306e\u3042\u308b\u4e56\u96e2\u3067\u30a2\u30e9\u30fc\u30c8\u3092\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30b9\u30c6\u30c3\u30d78\uff1a\u30a2\u30e9\u30fc\u30c8\u306f\u6587\u66f8\u7ba1\u7406\u30c1\u30fc\u30e0\u306b\u5c4a\u304f\u3088\u3046\u306b\u3059\u308b\u3002<\/strong> \u30b3\u30f3\u30c6\u30f3\u30c4\u30c1\u30fc\u30e0\u304cPDF\u3092\u516c\u958b\u3059\u308b\u306e\u3067\u3001\u5f7c\u3089\u304c\u30a2\u30e9\u30fc\u30c8\u3092\u53d7\u3051\u53d6\u308b\u3079\u304d\u3067\u3059\u3002IT\u3068\u5171\u306b\u901a\u77e5\u3059\u308b\u3088\u3046<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e9%a1%94%e7%ab%8b%e3%81%a1\/%e7%89%b9%e5%be%b4%e3%82%a2%e3%83%a9%e3%83%bc%e3%83%88\/\">\u30a2\u30e9\u30fc\u30c8\u30eb\u30fc\u30eb<\/a>\u3092\u8a2d\u5b9a\u3057\u3001\u5358\u4e00\u306e\u9045\u3044\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3067\u8ab0\u304b\u3092\u8d77\u3053\u3055\u306a\u3044\u3088\u3046\u9023\u7d9a2\u56de\u5931\u6557\u3067\u901a\u77e5\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_34624\" aria-describedby=\"caption-attachment-34624\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-34624\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/pdf-viewer-failure-points.webp\" alt=\"\u30b3\u30f3\u30c6\u30ca\u30da\u30fc\u30b8\u3001\u30d3\u30e5\u30fc\u30a2\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u6587\u66f8\u30d5\u30a7\u30c3\u30c1\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u51fa\u529b\u306e4\u3064\u306e\u76e3\u8996\u30dd\u30a4\u30f3\u30c8\u306e\u56f3\" width=\"1200\" height=\"686\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/pdf-viewer-failure-points.webp 1200w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/pdf-viewer-failure-points-300x172.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/pdf-viewer-failure-points-1024x585.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/09\/pdf-viewer-failure-points-768x439.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-34624\" class=\"wp-caption-text\">\u30da\u30fc\u30b8\u30ec\u30d9\u30eb\u306e\u30c1\u30a7\u30c3\u30af\u306f\u6700\u521d\u306e\u4e00\u6b69\u3092\u30ab\u30d0\u30fc\u3057\u307e\u3059\u3002\u6b8b\u308b3\u3064\u304c\u57cb\u3081\u8fbc\u307f\u6587\u66f8\u306e\u5b9f\u969b\u306e\u6545\u969c\u5834\u9762\u3067\u3059\u3002<\/figcaption><\/figure>\n<h2 id='\u4f55\u3092\u3069\u306e\u304f\u3089\u3044\u306e\u983b\u5ea6\u3067\u691c\u8a3c\u3059\u3079\u304d\u304b'  id=\"boomdevs_12\" id=\"what-to-assert-on-and-how-often\">\u4f55\u3092\u3069\u306e\u304f\u3089\u3044\u306e\u983b\u5ea6\u3067\u691c\u8a3c\u3059\u3079\u304d\u304b<\/h2>\n<p>\u983b\u5ea6\u306f\u6587\u66f8\u306e\u91cd\u8981\u5ea6\u3068\u901f\u304f\u77e5\u308a\u305f\u3044\u5ea6\u5408\u3044\u306b\u6bd4\u4f8b\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u691c\u8a3c\u9805\u76ee<\/th>\n<th>\u30c1\u30a7\u30c3\u30af\u30bf\u30a4\u30d7<\/th>\n<th>\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u5185\u5bb9<\/th>\n<th>\u63a8\u5968\u9593\u9694<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>PDF\u30d5\u30a1\u30a4\u30eb\u672c\u4f53<\/td>\n<td>HTTP<\/td>\n<td>200\u30b9\u30c6\u30fc\u30bf\u30b9\u3001<code>%PDF-<\/code>\u3067\u59cb\u307e\u308b\u672c\u6587\u3001\u30b5\u30a4\u30ba\u4e0b\u9650<\/td>\n<td>5\u5206<\/td>\n<\/tr>\n<tr>\n<td>\u30d3\u30e5\u30fc\u30a2\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u53ef\u7528\u6027<\/td>\n<td>HTTP<\/td>\n<td>200\u30b9\u30c6\u30fc\u30bf\u30b9\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u30bf\u30a4\u30e0\u4e0a\u9650<\/td>\n<td>5\u5206<\/td>\n<\/tr>\n<tr>\n<td>\u516c\u958b\u6587\u66f8\u30da\u30fc\u30b8<\/td>\n<td>\u5b9f\u30d6\u30e9\u30a6\u30b6<\/td>\n<td>\u30d3\u30e5\u30fc\u30a2\u8981\u7d20\u306e\u5b58\u5728\u3001\u30a8\u30e9\u30fc\u30c6\u30ad\u30b9\u30c8\u7121\u3057<\/td>\n<td>15\u5206<\/td>\n<\/tr>\n<tr>\n<td>\u8a8d\u8a3c\u6e08\u307f\u6587\u66f8\u30da\u30fc\u30b8<\/td>\n<td>\u30d6\u30e9\u30a6\u30b6\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3<\/td>\n<td>\u30ed\u30b0\u30a4\u30f3\u6210\u529f\u3001\u6587\u66f8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/td>\n<td>30\u5206<\/td>\n<\/tr>\n<tr>\n<td>\u6587\u66f8\u30db\u30b9\u30c8\u306e\u8a3c\u660e\u66f8<\/td>\n<td>SSL<\/td>\n<td>\u6b63\u5e38\u306a\u30c1\u30a7\u30fc\u30f3\u300130\u65e5\u4ee5\u5185\u306e\u671f\u9650\u5207\u308c\u8b66\u544a<\/td>\n<td>\u6bce\u65e5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u3053\u308c\u3089\u306f\u958b\u59cb\u70b9\u3068\u3057\u3066\u6271\u3044\u3001\u6c7a\u7b97\u9031\u3001\u52a0\u5165\u671f\u9593\u3001\u5165\u672d\u7de0\u5207\u6642\u306b\u53b3\u5bc6\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u58ca\u308c\u305f\u6587\u66f8\u304c\u3082\u3063\u3068\u3082\u640d\u5931\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d6\u30e9\u30a6\u30b6\u30c1\u30a7\u30c3\u30af\u306f\u8907\u6570\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002CDN\u7d4c\u7531\u306e\u6587\u66f8\u306f\u30d0\u30fc\u30b8\u30cb\u30a2\u3067\u306f\u6b63\u5e38\u3067\u3082\u30d5\u30e9\u30f3\u30af\u30d5\u30eb\u30c8\u306e\u30a8\u30c3\u30b8\u30ce\u30fc\u30c9\u3067\u306f\u6b20\u843d\u3042\u308a\u3001\u5358\u5730\u70b9\u306e\u30c1\u30a7\u30c3\u30af\u3067\u306f\u691c\u77e5\u3067\u304d\u307e\u305b\u3093\u3002\u30b0\u30ed\u30fc\u30d0\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u306e<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%82%bd%e3%83%aa%e3%83%a5%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3\/synthetic-monitoring\/\">\u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af\u76e3\u8996<\/a>\u3067\u3001\u3042\u308b\u5730\u57df\u306e\u8aad\u8005\u304c\u958b\u3051\u306a\u3044\u554f\u984c\u3092\u77e5\u308c\u307e\u3059\u3002<\/p>\n<h2 id='\u307e\u3068\u3081'  id=\"boomdevs_13\" id=\"the-bottom-line\">\u307e\u3068\u3081<\/h2>\n<p>\u57cb\u3081\u8fbc\u307fPDF\u30d3\u30e5\u30fc\u30a2\u306f\u30da\u30fc\u30b8\u5185\u306b\u3042\u308b\u5c0f\u3055\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3001\u72ec\u81ea\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u4f9d\u5b58\u3001\u72ec\u81ea\u306e\u6587\u66f8\u53d6\u5f97\u3001\u72ec\u81ea\u306e\u8a8d\u8a3c\u3001\u72ec\u81ea\u306e\u6545\u969c\u5f62\u614b\u3092\u6301\u3061\u307e\u3059\u3002\u30da\u30fc\u30b8\u306eHTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u3060\u3051\u3067\u7d42\u308f\u308b\u30c1\u30a7\u30c3\u30af\u306f\u305d\u308c\u3089\u306e\u3069\u308c\u3082\u30ab\u30d0\u30fc\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u4fee\u6b63\u306b\u306f5\u3064\u306e\u5bfe\u7b56\u304c\u3042\u308a\u307e\u3059\u3002\u5b89\u4fa1\u306aHTTP\u30c1\u30a7\u30c3\u30af\u3067\u6587\u66f8URL\u3092\u76e3\u8996\u3002\u5b9f\u30d6\u30e9\u30a6\u30b6\u3067\u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u307f\u30d3\u30e5\u30fc\u30a2\u51fa\u529b\u3092\u691c\u8a3c\u3002\u65e2\u77e5\u306e\u30a8\u30e9\u30fc\u30c6\u30ad\u30b9\u30c8\u306b\u30cd\u30ac\u30c6\u30a3\u30d6\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3002\u8a8d\u8a3c\u30eb\u30fc\u30c8\u304a\u3088\u3073\u7b2c\u4e09\u8005\u30b9\u30af\u30ea\u30d7\u30c8\u3082\u30ab\u30d0\u30fc\u3002\u30a2\u30e9\u30fc\u30c8\u306f\u6587\u66f8\u516c\u958b\u8005\u306b\u9001\u308b\u3002<\/p>\n<p>\u3053\u308c\u3067\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30dd\u30ea\u30b7\u30fc\u5909\u66f4\u3067\u30b5\u30a4\u30c8\u4e0a\u306e\u57cb\u3081\u8fbc\u307f\u3059\u3079\u3066\u304c\u771f\u3063\u767d\u306b\u306a\u308b\u554f\u984c\u3082\u3001\u6570\u9031\u9593\u5f8c\u306e\u9867\u5ba2\u304b\u3089\u306e\u9023\u7d61\u3067\u306a\u304f\u6570\u5206\u4ee5\u5185\u306b\u77e5\u308c\u307e\u3059\u3002<\/p>\n<section class=\"final-cta\">\n<h2 id='\u8aad\u8005\u304c\u5b9f\u969b\u306b\u898b\u308b\u3082\u306e\u3092\u78ba\u8a8d\u3059\u308b'  id=\"boomdevs_14\" id=\"see-what-external-checks-catch\">\u8aad\u8005\u304c\u5b9f\u969b\u306b\u898b\u308b\u3082\u306e\u3092\u78ba\u8a8d\u3059\u308b<\/h2>\n<p>Dotcom-Monitor\u306f\u4e16\u754c\u4e2d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u5b9f\u30d6\u30e9\u30a6\u30b6\u30c1\u30a7\u30c3\u30af\u3092\u5b9f\u884c\u3057\u3001\u57cb\u3081\u8fbc\u307f\u6587\u66f8\u306e\u8868\u793a\u505c\u6b62\u3092\u9867\u5ba2\u304b\u3089\u306e\u5831\u544a\u3088\u308a\u5148\u306b\u77e5\u3089\u305b\u307e\u3059\u3002\u30ed\u30b0\u30a4\u30f3\u51e6\u7406\u3092\u30b9\u30af\u30ea\u30d7\u30c8\u5316\u3057\u3001\u30d3\u30e5\u30fc\u30a2\u306e\u51fa\u529b\u3092\u691c\u8a3c\u3057\u3001\u30a2\u30e9\u30fc\u30c8\u3092\u30d5\u30a1\u30a4\u30eb\u516c\u958b\u30c1\u30fc\u30e0\u3078\u6d41\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/userauth.dotcom-monitor.com\/Account\/FreeTrialSignUp?SolutionType=Monitoring\">Dotcom-Monitor\u306e\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3092\u958b\u59cb<\/a>\u3057\u3066\u3001\u4eca\u65e5\u304b\u3089\u6700\u521d\u306e\u57cb\u3081\u8fbc\u307f\u6587\u66f8\u30c1\u30a7\u30c3\u30af\u3092\u59cb\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>200\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306fPDF\u304c\u8aad\u307f\u8fbc\u307e\u308c\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u305b\u3093\u3002\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u3088\u308b\u30c1\u30a7\u30c3\u30af\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u4e3b\u5f35\u3001\u30b9\u30de\u30fc\u30c8\u30a2\u30e9\u30fc\u30c8\u3067\u57cb\u3081\u8fbc\u307fPDF\u30d3\u30e5\u30fc\u30a2\u3092\u76e3\u8996\u3059\u308b\u65b9\u6cd5\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"author":39,"featured_media":34614,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34634","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/posts\/34634","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/comments?post=34634"}],"version-history":[{"count":0,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/posts\/34634\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/media\/34614"}],"wp:attachment":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/media?parent=34634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/categories?post=34634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/wp-json\/wp\/v2\/tags?post=34634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}