{"id":11268,"date":"2021-03-22T06:55:31","date_gmt":"2021-03-21T21:55:31","guid":{"rendered":"https:\/\/www.suzukikenichi.com\/blog\/?p=11268"},"modified":"2021-03-22T06:48:10","modified_gmt":"2021-03-21T21:48:10","slug":"how-to-deal-with-warning-against-sharedarraybuffer-sent-by-search-console","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/how-to-deal-with-warning-against-sharedarraybuffer-sent-by-search-console\/","title":{"rendered":"Search Console\u304b\u3089\u9001\u3089\u308c\u305fSharedArrayBuffer\u8b66\u544a"},"content":{"rendered":"

[\u30ec\u30d9\u30eb: \u4e0a\u7d1a]<\/p>\n

\u300cSharedArrayBuffers \u306e\u4f7f\u7528\u306b\u5fc5\u8981\u306a\u65b0\u3057\u3044\u8981\u4ef6<\/strong>\u300d\u3068\u3044\u3046\u4ef6\u540d\u3067\u4e00\u90e8\u306e\u30b5\u30a4\u30c8\u306b Google Search Console \u304b\u3089\u8b66\u544a\u304c\u9001\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

SharedArrayBuffers<\/code> \u304c\u4f55\u306e\u3053\u3068\u304b\u308f\u304b\u3089\u305a\u56f0\u3063\u3066\u3044\u308b\u30b5\u30a4\u30c8\u7ba1\u7406\u8005\u3082\u3044\u305d\u3046\u3067\u3059\u3002
Google \u306f\u3001\u8b66\u544a\u306e\u610f\u5473\u3068\u5bfe\u51e6\u65b9\u6cd5\u3092\u691c\u7d22\u30bb\u30f3\u30c8\u30e9\u30eb\u30d6\u30ed\u30b0\u3067\u8aac\u660e<\/a>\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u300cSharedArrayBuffers \u306e\u4f7f\u7528\u306b\u5fc5\u8981\u306a\u65b0\u3057\u3044\u8981\u4ef6\u300d\u306e\u8b66\u544a<\/h2>\n

\u65e5\u672c\u8a9e\u3067\u306f\u6b21\u306e\u3088\u3046\u306a\u8b66\u544a\u6587\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

[\u30b5\u30a4\u30c8 URL] \u3067\u306e SharedArrayBuffers \u306e\u4f7f\u7528\u306b\u5fc5\u8981\u306a\u65b0\u3057\u3044\u8981\u4ef6<\/strong><\/p>\n

\u3053\u306e\u305f\u3073\u3001Google \u306e\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u308a\u3001[\u30b5\u30a4\u30c8 URL] \u3067 SharedArrayBuffers\uff08SAB\uff09\u306e\u4f7f\u7528\u304c\u691c\u51fa\u3055\u308c\u307e\u3057\u305f\u304c COOP \u307e\u305f\u306f COEP \u30d8\u30c3\u30c0\u30fc\u304c\u914d\u4fe1\u3055\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n

\u30a6\u30a7\u30d6\u306e\u4e92\u63db\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001Chrome 91\uff082021 \u5e74 5 \u6708 25 \u65e5\uff09\u4ee5\u964d\u3067\u306f\u3001SAB \u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306b COOP \u307e\u305f\u306f CCEP \u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u5909\u66f4\u306b\u5099\u3048\u3066\u3001\u30b5\u30a4\u30c8\u306b\u300ccross-origin-isolated\u300d\u306e\u52d5\u4f5c\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p><\/blockquote>\n

\u82f1\u8a9e\u3067\u306f\u6b21\u306e\u3088\u3046\u306a\u8b66\u544a\u6587\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\n

New requirements for SharedArrayBuffers on [Site URL]<\/strong><\/p>\n

Google systems have recently detected that Shared ArrayBuffers (SABs) are used on [Site URL], but COOP and\/or COEP headers are not served.<\/p>\n

For Web Compatibility reasons Chrome is planning to require COOPCOEP for the use of SABS from Chrome 91 (2021-05-25) onwards. Please implement cross-origin-isolated behavior on your site.<\/p><\/blockquote>\n<\/div>\n

SharedArrayBuffers \u3068\u306f<\/h2>\n

SharedArrayBuffers<\/code> \u3068\u306f JavaScript \u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002
\u30b5\u30a4\u30c8\u5185\u3067\u30e1\u30e2\u30ea\u7a7a\u9593\u3092\u5171\u6709\u3059\u308b\u6a5f\u80fd\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n

\u300cSpectre\uff08\u30b9\u30da\u30af\u30bf\u30fc\uff09\u300d\u3068\u547c\u3070\u308c\u308b\u8106\u5f31\u6027\u304c SharedArrayBuffers<\/code> \u306b\u306f\u767a\u898b\u3055\u308c\u3066\u3044\u307e\u3059\uff08Spectre \u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001web.dev \u306e\u30b5\u30a4\u30c8<\/a>\u3084 Wikipedia<\/a> \u3092\u53c2\u7167\uff09\u3002<\/p>\n

Spectre \u306f\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30ec\u30d9\u30eb\u306e\u8106\u5f31\u6027\u306e\u305f\u3081\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3042\u308b\u30d6\u30e9\u30a6\u30b6\u5074\u3067\u306f\u73fe\u72b6\u3067\u306f\u6839\u672c\u7684\u306b\u306f\u89e3\u6c7a\u3067\u304d\u307e\u305b\u3093\u3002
\u305d\u308c\u3067\u3082\u3001SharedArrayBuffers<\/code> \u3092\u5b89\u5168\u306b\u6709\u52b9\u5316\u3059\u308b\u305f\u3081\u306e\u5bfe\u51e6\u7b56\u3068\u3057\u3066\u3001cross-origin isolation<\/a> \u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u6a19\u6e96\u5316\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

5 \u6708\u5f8c\u534a\u30ea\u30ea\u30fc\u30b9\u4e88\u5b9a\u306e Chrome 91 \u304b\u3089\u306f\u3001cross-origin isolation \u304c\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u30b5\u30a4\u30c8\u3067\u306e\u307f SharedArrayBuffers<\/code> \u3092\u6709\u52b9\u306b\u3059\u308b\u3088\u3046\u306b\u4ed5\u69d8\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n

\u3064\u307e\u308a\u3001SharedArrayBuffer<\/code> \u306e\u8b66\u544a\u306f\u3001cross-origin isolation \u3092\u30b5\u30a4\u30c8\u306b\u69cb\u6210\u3057\u306a\u3044\u3068\u3001\u3042\u306a\u305f\u306e\u30b5\u30a4\u30c8\u306f Chrome \u3067\u306f\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u306a\u304f\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3088<\/mark><\/strong>\u3068\u3044\u3046\u6ce8\u610f\u559a\u8d77\u3067\u3059\u3002<\/p>\n

Google \u691c\u7d22\u3067\u306f\u3001Chrome \u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002
\u3072\u3087\u3063\u3068\u3057\u305f\u3089\u3001\u691c\u7d22\u306b\u3082\u5f71\u97ff\u304c\u53ca\u3076\u3053\u3068\u3082\u53ef\u80fd\u6027\u3068\u3057\u3066\u306f\u3042\u308a\u3048\u307e\u3059\u3002<\/p>\n

\u306a\u304a\u3001cross-origin isolation \u3067\u306e SharedArrayBuffer<\/code> \u5229\u7528\u306f\u3001Firefox \u3067\u306f\u30d0\u30fc\u30b8\u30e7\u30f3 76 \u3067\u3059\u3067\u306b\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff08Firefox \u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306f 86\uff09\u3002<\/p>\n

\u30b5\u30a4\u30c8\u5074\u306e\u5bfe\u51e6\u65b9\u6cd5<\/h2>\n

SharedArrayBuffers<\/code> \u8b66\u544a\u306e\u5bfe\u51e6\u65b9\u6cd5\u306b\u95a2\u3057\u3066\u306f\u3001\u7c21\u5358\u304b\u3082\u3057\u308c\u306a\u3044\u3057\u96e3\u3057\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002
\u30b5\u30a4\u30c8\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n

\u57fa\u672c\u7684\u306a\u624b\u9806\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \n
  1. SharedArrayBuffer<\/code> \u304c\u4f55\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u7279\u5b9a\u3059\u308b<\/li>\n
  2. SharedArrayBuffer<\/code> \u304c\u672c\u5f53\u306b\u5fc5\u8981\u304b\u3069\u3046\u304b\u3092\u691c\u8a0e\u3059\u308b<\/li>\n
  3. \u4e0d\u8981\u3067\u3042\u308c\u3070\u524a\u9664\u3059\u308b\u3001\u5fc5\u8981\u3067\u3042\u308c\u3070 cross-origin isolation \u3092\u69cb\u6210\u3059\u308b<\/li>\n<\/ol>\n

    SharedArrayBuffer \u304c\u4f55\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u7279\u5b9a\u3059\u308b<\/h3>\n

    SharedArrayBuffer \u304c\u4f55\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u7279\u5b9a\u3059\u308b\u306b\u306f\u3001Chrome \u306e\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n

    \u5177\u4f53\u7684\u306b\u3069\u306e\u30da\u30fc\u30b8\u3067 SharedArrayBuffer<\/code> \u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b\u306f Search Console \u306e\u8b66\u544a\u6587\u306f\u793a\u3057\u3066\u3044\u307e\u305b\u3093\u3002
    \u81ea\u5206\u3067\u3060\u3044\u305f\u3044\u306e\u898b\u5f53\u3092\u3064\u3051\u3066\u8abf\u3079\u307e\u3059\u3002<\/p>\n

    \u6a5f\u68b0\u7684\u306b\u8abf\u67fb\u3059\u308b\u306b\u306f Reporting API<\/a> \u3092\u4f7f\u3044\u307e\u3059\u3002
    \u691c\u8a3c\u3092\u81ea\u52d5\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n

    \u958b\u767a\u8005\u3067\u3042\u308c\u3070\u3001\u7279\u5b9a\u306f\u9020\u4f5c\u3082\u306a\u3044\u3053\u3068\u3067\u3057\u3087\u3046\u3002
    SharedArrayBuffer<\/code> \u3092\u5b9f\u88c5\u3057\u305f\u672c\u4eba\u3067\u3042\u308c\u3070\u306a\u304a\u3055\u3089\u3067\u3059\u3002<\/p>\n

    \u3057\u304b\u3057\u3001\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u306e\u7279\u5b9a\u3067\u3064\u307e\u3065\u304f\u4eba\u304c\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002
    \u306a\u305c\u306a\u3089\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u306e\u8981\u7d20\u305f\u3068\u3048\u3070\u5e83\u544a\u3067 SharedArrayBuffer<\/code> \u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002
    \u5229\u7528\u3057\u3066\u3044\u308b CMS \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n

    \u77e5\u3089\u306a\u3044\u3068\u3053\u308d\u3067 SharedArrayBuffer<\/code> \u304c\u4f7f\u308f\u308c\u3066\u3044\u3066\u3001\u3057\u304b\u3082\u6280\u8853\u306b\u5f37\u304f\u306a\u304b\u3063\u305f\u3068\u3057\u305f\u3089\u4f55\u304c\u554f\u984c\u306a\u306e\u304b\u3092\u767a\u898b\u3059\u308b\u3053\u3068\u3059\u3089\u56f0\u96e3\u3067\u3057\u3087\u3046\u3002<\/p>\n

    \u306a\u304a\u3001\u4eca\u56de\u306e SharedArrayBuffer<\/code> \u8b66\u544a\u306f Google \u30a2\u30ca\u30ea\u30c6\u30a3\u30af\u30b9 \u3068\u306f\u95a2\u4fc2\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

    SharedArrayBuffer \u304c\u672c\u5f53\u306b\u5fc5\u8981\u304b\u3069\u3046\u304b\u3092\u691c\u8a0e\u3059\u308b<\/h3>\n

    SharedArrayBuffer<\/code> \u304c\u3069\u3053\u3067\u3069\u306e\u3088\u3046\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u7279\u5b9a\u3067\u304d\u305f\u3089\u3001\u672c\u5f53\u306b\u5fc5\u8981\u304b\u3069\u3046\u304b\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002<\/p>\n

    \u4e0d\u8981\u3067\u3042\u308c\u3070\u3001\u524a\u9664\u3059\u308b\u306e\u304c\u6700\u3082\u7c21\u5358\u3067\u78ba\u5b9f\u306a\u5bfe\u51e6\u7b56\u3067\u3059\u3002<\/p>\n

    \u30b5\u30a4\u30c8\u306e\u904b\u55b6\u4e0a SharedArrayBuffer<\/code> \u304c\u5fc5\u8981\u306a\u8981\u7d20\u3067\u3042\u308c\u3070\u3001cross-origin isolation \u3092\u69cb\u6210\u3057\u307e\u3059\u3002<\/p>\n

    cross-origin isolation \u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u306e\u89e3\u8aac\u8a18\u4e8b<\/a>\u3068\u3001\u3048\u30fc\u3058<\/a>\u3055\u3093\u306e\u52d5\u753b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n