{"id":2834,"date":"2017-10-04T08:26:05","date_gmt":"2017-10-04T08:26:05","guid":{"rendered":"https:\/\/mm-lab.jp\/?p=2834"},"modified":"2019-12-21T18:45:26","modified_gmt":"2019-12-21T18:45:26","slug":"itp%e3%81%ae%e4%bb%95%e6%a7%98%e3%81%a8%e6%8c%99%e5%8b%95%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e3%80%81%e3%81%82%e3%81%be%e3%82%8a%e7%9f%a5%e3%82%89%e3%82%8c%e3%81%a6%e3%81%84%e3%81%aa%e3%81%84","status":"publish","type":"post","link":"https:\/\/mm-lab.jp\/report\/itp_specification_and_behavior\/","title":{"rendered":"ITP\u306e\u4ed5\u69d8\u3068\u6319\u52d5\u306b\u3064\u3044\u3066\u3001\u3042\u307e\u308a\u77e5\u3089\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u7c21\u5358\u306b\u6574\u7406\u3059\u308b"},"content":{"rendered":"<div class=\"featured-image\"><\/div>\n<div class=\"entry-content clearfix\">\n<p>ITP\uff08Intelligent Tracking Prevention\uff09\u306e\u767a\u8868\u304b\u30894\u30f6\u6708\u3002<\/p>\n<p>\u30a2\u30c9\u30c6\u30af\u306b\u9650\u3089\u305a\u3001\u3042\u3089\u3086\u308b\u696d\u754c\u306b\u6fc0\u9707\u304c\u8d70\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u672c\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u306f\u4e3b\u306b\u30a2\u30c9\u30a8\u30d3\u30b9\u958b\u767a\u9663\u3068\u3057\u3066\u306e\u8abf\u67fb\u7d50\u679c\u3068\u3001\u4e16\u9593\u3067\u8a00\u308f\u308c\u308bITP\u4ed5\u69d8\u306b\u95a2\u3059\u308b\u8a8d\u8b58\u306b\u3064\u3044\u3066\u300c\u3042\u308c\u3063\uff1f\u305d\u3046\u3067\u3057\u305f\u3063\u3051\uff1f\u300d\u3068\u3044\u3046\u58f0\u3092\u3042\u3052\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u95a2\u3057\u3066\u306f\u4e00\u5207\u3092\u30ea\u30f3\u30af\u30d5\u30ea\u30fc\u3068\u3057\u307e\u3059\u306e\u3067\u3001\u3069\u3093\u3069\u3093\u5f15\u7528\u3057\u3066\u4e0b\u3055\u3044\u3002\u307e\u305f\u4e0d\u6b63\u78ba\u3060\u3068\u601d\u308f\u308c\u308b\u70b9\u3042\u308c\u3070\u3001\u3054\u6307\u6458\u9802\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002\u968f\u6642\u66f4\u65b0\u3057\u3066\u307e\u3044\u308a\u307e\u3059\u3002<\/p>\n<p>twitter\uff1b<u>@mmlab_jp<\/u><\/p>\n<p>\u7d50\u8ad6\u304b\u3089\u7533\u305b\u3070\u3001\u4ee5\u4e0b\uff12\u70b9\u304c\u30a2\u30c9\u30a8\u30d3\u30b9\u958b\u767a\u9663\u304c\u767a\u898b\u3057\u305fITP\u306e\u6b63\u78ba\u306a\u4ed5\u69d8\u3067\u3042\u308a\u3001\u3042\u307e\u308a\u4e16\u9593\u3067\u805e\u3053\u3048\u3066\u3053\u306a\u3044\u7b87\u6240\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<pre>\u30fb\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u305f\u3060\u3051\u3001\u30b5\u30a4\u30c8\u8868\u793a\u306e\u307f\u3060\u3051\u3067\u306finteraction\uff08\u63a5\u89e6\uff09\u3068\u307f\u306a\u3055\u306a\u3044\u3002\u30b5\u30a4\u30c8\u8868\u793a\uff0b\u30af\u30ea\u30c3\u30af\u304c\u3042\u3063\u3066\u3001interaction\uff08\u63a5\u89e6\uff09\u3068\u307f\u306a\u3055\u308c\u308b\r\n\u30fbinteraction\u304c\u306a\u3044\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u7528\u30af\u30c3\u30ad\u30fc\u306f\u300c24\u6642\u9593\u300d\u3082\u6301\u305f\u306a\u3044\r\n<\/pre>\n<p>&nbsp;<\/p>\n<h2>ITP\u306b\u95a2\u3059\u308b\uff11\u6b21\u60c5\u5831\u306b\u3064\u3044\u3066\u6574\u7406<\/h2>\n<p>ITP\u306b\u3064\u3044\u3066\u6b63\u78ba\u306a\u60c5\u5831\u6e90\u306f3\u3064\u3060\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>1\u3064\u76ee\u306f\u3001Safari\u306eWeb\u30a8\u30f3\u30b8\u30f3\u300cWebKit\u300d\u306eITP\u7d39\u4ecb\u30d6\u30ed\u30b0\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<pre><strong>Intelligent Tracking Prevention<\/strong>\r\n<u>https:\/\/webkit.org\/blog\/7675\/intelligent-tracking-prevention\/<\/u>\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>2\u3064\u76ee\u306f\u3001ITP\u306e\u958b\u767a\u8005\u306e\u4e00\u4eba\u3067\u3001\u4e0a\u8a18\u30d6\u30ed\u30b0\u8a18\u4e8b\u3092\u66f8\u3044\u305fJohn Wilander\u3055\u3093\u306eTwitter\u3067\u3059\u3002<\/p>\n<blockquote class=\"twitter-tweet twitter-tweet-error\" data-lang=\"ja\" data-twitter-extracted-i1565771120616852257=\"true\">\n<p dir=\"ltr\" lang=\"en\">Noteworthy aspect of Intelligent Tracking Prevention: It classifies tracking ability on-device =&gt; finds new trackers as they come to market.<\/p>\n<p>\u2014 John Wilander (@johnwilander)\u00a02017\u5e746\u67087\u65e5<\/p><\/blockquote>\n<blockquote class=\"twitter-tweet twitter-tweet-error\" data-lang=\"ja\" data-twitter-extracted-i1565771120616852257=\"true\">\n<p dir=\"ltr\" lang=\"en\">A visit does not suffice. The user needs to interact with the page. This is the trade off we start with to allow single sign-on.<\/p>\n<p>\u2014 John Wilander (@johnwilander)\u00a02017\u5e746\u67086\u65e5<\/p><\/blockquote>\n<blockquote class=\"twitter-tweet twitter-tweet-error\" data-lang=\"ja\" data-twitter-extracted-i1565771120616852257=\"true\">\n<p dir=\"ltr\" lang=\"en\">The user has to interact with your site in Safari if you want to be sure cookies and website data stays around.<\/p>\n<p>\u2014 John Wilander (@johnwilander)\u00a02017\u5e746\u67086\u65e5<\/p><\/blockquote>\n<p>&nbsp;<\/p>\n<p>3\u3064\u76ee\u306f\u3001WebKit\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n<p><u>https:\/\/webkit.org\/getting-the-code\/<\/u><\/p>\n<p>WebKit\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306a\u306e\u3067\u3001\u8ab0\u3067\u3082\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3057\u3066\u3001\u30d3\u30eb\u30c9\u30fb\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30a2\u30c9\u30a8\u30d3\u30b9\u958b\u767a\u9663\u3067\u306fMac OS X High Sierra\u306e\u30d9\u30fc\u30bf\u7248\u30927\uff5e8\u6708\u306b\u304b\u3051\u3066\u52d5\u4f5c\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u306e\u7d50\u679c\u3001<strong><u>\u307f\u3093\u306ainteraction\u306e\u5b9a\u7fa9\u3092\u52d8\u9055\u3044\u3057\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u304b<\/u><\/strong>\u3068\u601d\u3046\u306b\u3044\u305f\u308a\u307e\u3057\u305f\u3002\u4e16\u9593\u4e00\u822c\u3067\u8a00\u308f\u308c\u3066\u3044\u308b\u3088\u3046\u306a\u6319\u52d5\u3092\u3057\u306a\u3044\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001WebKit\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u89e3\u6790\u3068\u30c7\u30d0\u30c3\u30b0\u3092\u884c\u3044\u3001ITP\u306e\u4ed5\u69d8\u3092\u78ba\u304b\u3081\u305f\u4e0a\u3067\u30018\u6708\u4e2d\u65ec\u306b\u30a2\u30c9\u30a8\u30d3\u30b9\u306e\u6539\u4fee\u5185\u5bb9\u3092\u78ba\u5b9a\u3044\u305f\u3057\u307e\u3057\u305f\u3002\u7b2c2\u6b21\u60c5\u5831\u3001\u7b2c3\u6b21\u60c5\u5831\u304c\u4e71\u7acb\u3057\u3066\u3044\u305f\u305f\u3081\u3001\u3069\u308c\u304c\u6b63\u3057\u3044\u306e\u304b\uff1f\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u6642\u9593\u3092\u8981\u3057\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>interaction\u3068\u306f\u4f55\u3092\u3055\u3059\u306e\u304b\uff1f<\/h2>\n<p>ITP\u3067\u306e\u4ed5\u69d8\u306b\u95a2\u3057\u3066\u306f\u3001\u4ed6\u5404\u793e\u304c\u8a73\u7d30\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u4ed4\u7d30\u306f\u7701\u304d\u307e\u3059\u3002<\/p>\n<p>\u524d\u6bb5\u3092\u7701\u3044\u3066\u3001ITP\u306e\u5224\u5b9a\u306b\u3064\u3044\u3066\u8ff0\u3079\u307e\u3059\u3002<\/p>\n<p>\u5224\u5b9a\u306f\u3001\u30e6\u30fc\u30b6\u304c\u8a2a\u554f\u3057\u305f\u30b5\u30a4\u30c8\u3084\u3001\u305d\u306e\u30b5\u30a4\u30c8\u304b\u3089\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u3092\u76e3\u8996\u3057\u3066\u3001\u4ee5\u4e0b3\u7a2e\u985e\u306e\u7d71\u8a08\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u3066\u3001\u30c8\u30e9\u30c3\u30ab\u30fc\u5224\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<pre>\u30fb\u5224\u5b9a\u5bfe\u8c61\u3068\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u306eiframe\u304c\u8a2d\u7f6e\u3055\u308c\u308b\u30c9\u30e1\u30a4\u30f3\u6570\r\n\u30fb\u5224\u5b9a\u5bfe\u8c61\u3068\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u5148\u30c9\u30e1\u30a4\u30f3\u6570\r\n\u30fb\u5224\u5b9a\u5bfe\u8c61\u3068\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u306e\u30ea\u30bd\u30fc\u30b9\uff08\u8a08\u6e2c\u30bf\u30b0\u306a\u3069\uff09\u306e\u30c9\u30e1\u30a4\u30f3\u6570\r\n\uff08\u203b\u3053\u308c\u3089\u306f\u4f55\u308c\u3082\u30ea\u30bd\u30fc\u30b9\u30ed\u30fc\u30c9\u306e\u5ea6\u306b\u66f4\u65b0\u3055\u308c\u308b\uff09\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>\u5224\u5b9a\u306b\u4f7f\u3046\u6761\u4ef6\uff08\u6b63\u78ba\u306b\u306f\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\uff09\u306fApple\u304c\u4e88\u3081\u914d\u5e03\u3057\u3066\u3044\u308bSVM\u30e2\u30c7\u30eb\u3067\u3042\u308a\u3001\u3053\u308c\u306f\u5168\u30d6\u30e9\u30a6\u30b6\u5171\u901a\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<p><strong><u>\u30a2\u30c9\u30a8\u30d3\u30b9\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5b9f\u9a13\u3067\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u30c9\u30e1\u30a4\u30f3\u6570\u304c4\u306b\u9054\u3057\u305f\u6642\u70b9\u3067\u3001\u30c8\u30e9\u30c3\u30ab\u30fc\u5224\u5b9a\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/u><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>\u4e0a\u8a18\u3092\u8e0f\u307e\u3048\u305f\u3046\u3048\u3067\u3001\u4ee5\u4e0b\u56f3\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3053\u308c\u306fITP\u7d39\u4ecb\u30d6\u30ed\u30b0\u8a18\u4e8b\u306b\u63b2\u8f09\u3055\u308c\u305f\u56f3\u3092\u8ee2\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-3236 size-full\" src=\"https:\/\/mm-lab.jp\/wp-content\/uploads\/2017\/10\/tracking-prevention-timeline.png\" alt=\"\" width=\"1037\" height=\"315\" srcset=\"https:\/\/mm-lab.jp\/wp-content\/uploads\/2017\/10\/tracking-prevention-timeline.png 1037w, https:\/\/mm-lab.jp\/wp-content\/uploads\/2017\/10\/tracking-prevention-timeline-300x91.png 300w, https:\/\/mm-lab.jp\/wp-content\/uploads\/2017\/10\/tracking-prevention-timeline-1024x311.png 1024w, https:\/\/mm-lab.jp\/wp-content\/uploads\/2017\/10\/tracking-prevention-timeline-768x233.png 768w, https:\/\/mm-lab.jp\/wp-content\/uploads\/2017\/10\/tracking-prevention-timeline-370x112.png 370w\" sizes=\"(max-width: 1037px) 100vw, 1037px\" \/><\/p>\n<p><center>\u300cIntelligent Tracking Prevention\u300d\u3088\u308a\u5f15\u7528<\/center><br \/>\n\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u304c\u30c8\u30e9\u30c3\u30ab\u30fc\u5224\u5b9a\u3055\u308c\u305f\u5834\u5408\u3001\u2460\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u4ed8\u4e0e\u3055\u308c\u305fCookie\u306f\u4ed8\u4e0e\u5f8c24\u6642\u9593\u7d4c\u3064\u3068\u30c9\u30e1\u30a4\u30f3\u3054\u3068\u306b\u5206\u96e2\u3055\u308c\u3001\u30c9\u30e1\u30a4\u30f3\u3092\u8de8\u3044\u3060\u8ffd\u8de1\u306b\u306f\u4f7f\u3048\u306a\u304f\u306a\u308b\u3001\u2461\u3055\u3089\u306b30\u65e5\u7d4c\u3064\u3068cookie\u304c\u524a\u9664\u3055\u308c\u3001\u305d\u306e\u5f8c\u3082\u524a\u9664\u3055\u308c\u7d9a\u3051\u308b\u4ed5\u69d8\u3060\u3068\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u3057\u304b\u3057<strong><u>\u300c24\u6642\u9593\u300d\u3068\u300c30\u300d\u65e5\u3068\u3044\u3046\u306e\u306fcookie\u304c\u4ed8\u4e0e\u3055\u308c\u305f\u3042\u3068\u306e\u7d4c\u904e\u6642\u9593\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/u><\/strong><\/p>\n<p>\u30e6\u30fc\u30b6\u304c\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u8a2a\u554f\u3057\u3066\u3001<strong><u>\u30b5\u30a4\u30c8\u4e0a\u3067\u30af\u30ea\u30c3\u30af\u3084\u30d5\u30a9\u30fc\u30e0\u5165\u529b\u3068\u3044\u3063\u305f\u64cd\u4f5c\uff08\uff1dinteraction\uff09\u3092\u3057\u3066\u304b\u3089\u306e\u7d4c\u904e\u6642\u9593<\/u><\/strong>\u3067\u3059\u3002<\/p>\n<p>\u3053\u3061\u3089\u306b\u3064\u3044\u3066\u306f\u3001\u5148\u307b\u3069\u7d39\u4ecb\u3057\u305f\u30da\u30fc\u30b8\u306b\u660e\u8a18\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre>Intelligent Tracking Prevention collects statistics on resource loads as well as user interactions such as taps, clicks, and text entries. The statistics are put into buckets per top privately-controlled domain or TLD+1.\r\n<\/pre>\n<p>\u3064\u307e\u308a\u3001\u300c\u63a5\u89e6\u304b\u308924\u6642\u9593\u4ee5\u5185\u306f3rdPartyCookie\u3068\u3057\u3066\u5229\u7528\u53ef\u80fd\u300d\u3068\u3044\u3046\u306e\u306f\u8868\u73fe\u3057\u3066\u9069\u5207\u304b\u3068\u3044\u3048\u3070\u5c0f\u9996\u3092\u50be\u3052\u3056\u308b\u3092\u5f97\u305a\u3001\u5c11\u306a\u304f\u3068\u3082\u300cinteractions such as taps, clicks, and text entries.\u300d\u3092\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306finteraction\u3057\u3066\u3044\u308b\u3068\u898b\u306a\u305b\u307e\u305b\u3093\u3002<\/p>\n<p>john wilander\u3055\u3093\u306e\u5148\u307b\u3069\u306eTweet\u3082\u7d50\u69cb\u91cd\u8981\u306a\u3053\u3068\u3092\u8a00\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre>A visit does not suffice. The user needs to interact with the page.\r\nThis is the trade off we start with to allow single sign-on.\r\n<\/pre>\n<p>\u3064\u307e\u308a\u3001<\/p>\n<p>\u30fb\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3000\u2192\u3000interaction \u3067\u306f\u306a\u3044<br \/>\n\u30fb\u30b5\u30a4\u30c8\u8868\u793a\u306e\u307f\u3000\u2192\u3000interaction \u3067\u306f\u306a\u3044<br \/>\n\u30fb\u30b5\u30a4\u30c8\u8868\u793a\uff0b\u30af\u30ea\u30c3\u30af\u306a\u3069\u3000\u2192 interaction \u3068\u307f\u306a\u3055\u308c\u308b<\/p>\n<p>\u3053\u308c\u3063\u3066\u5c4f\u98a8\u304b\u3089\u864e\u3092\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\uff01\u3055\u3059\u308c\u3070\u864e\u3092\u7e1b\u308a\u307e\u3057\u3087\u3046\uff01\u3068\u8a00\u3063\u3066\u3044\u308b\u306e\u3068\u540c\u3058\u3067\u3001Apple\u306f\u5206\u304b\u3063\u3066\u3066\u201d\u4e2d\u3005\u3067\u304d\u306a\u3044\u3053\u3068\u201d\u3092\u5b9f\u73fe\u3067\u304d\u308b\u306a\u308924\u6642\u9593\u4ee5\u5185\u306fOK\u3063\u3066\u8a00\u3063\u3066\u3044\u307e\u3059\u3088\u306d\uff08\u56de\u907f\u7b56\u306f\u3042\u308a\u307e\u3059\u304c\uff09\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u5b9f\u8cea\u306e\u3068\u3053\u308d3rdPartyCookie\u306f24\u6642\u9593\u3068\u3082\u8a00\u308f\u305a\u3001<strong><u>\u5373\u5ea7\u306b\u30c9\u30e1\u30a4\u30f3\u3054\u3068\u306b\u5206\u96e2\u3055\u308c\u3001\u524a\u9664\u3082\u3055\u308c\u7d9a\u3051\u307e\u3059\u3002<\/u><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>WebKit\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u4e0a\u3067\u306f\u3001cookie\uff08\u30ea\u30bd\u30fc\u30b9\uff09\u3092\u5206\u96e2\u3059\u308b\u304b\u3069\u3046\u304b\u306e\u6761\u4ef6\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre><u>https:\/\/trac.webkit.org\/browser\/webkit\/tags\/Safari-604.1.38.1.7\/Source\/WebKit\/UIProcess\/WebResourceLoadStatisticsStore.cpp?rev=222826<\/u> \u3088\u308a\r\n\u00a0\r\ninline bool WebResourceLoadStatisticsStore::shouldPartitionCookies(const ResourceLoadStatistics&amp; statistic) const\r\n{\r\n    return statistic.isPrevalentResource &amp;&amp; (!statistic.hadUserInteraction || WallTime::now() &gt; statistic.mostRecentUserInteractionTime + m_parameters.timeToLiveCookiePartitionFree);\r\n}\r\n<\/pre>\n<p>\u300cPrevalent Resource\u300d\u3068\u3044\u3046\u306e\u306f\u3001\u305f\u304f\u3055\u3093\u306e\u30b5\u30a4\u30c8\u306b\u8a2d\u7f6e\u3055\u308c\u3066\u3044\u308b\u30ea\u30bd\u30fc\u30b9\uff08\u8a08\u6e2c\u30bf\u30b0\u306e\u3088\u3046\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u30c8\u30c3\u30d7\u3068\u7570\u306a\u308b\u30c9\u30e1\u30a4\u30f3\u306eiframe\u3001\u7570\u306a\u308b\u30c9\u30e1\u30a4\u30f3\u3078redirect\u3059\u308b\u3088\u3046\u306a\u30da\u30fc\u30b8\uff09\u306e\u30c9\u30e1\u30a4\u30f3\u3067\u3059\u3002<\/p>\n<p>\u201cuser interaction\u201d\u304c\u306a\u3051\u308c\u3070\u3001prevalent resource\u3068\u3057\u3066\u5206\u985e\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306ecookie\u304c\u201dpartition\u201d\u3055\u308c\u308b\u308f\u3051\u3067\u3059\u306d\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6050\u308d\u3057\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u8a08\u6e2c\u30671stPartyCookie\u3092\u4ed8\u4e0e\u3059\u308b\u4eee\u306e\u30a2\u30c9\u30c6\u30af\u30c4\u30fc\u30eb\u306e\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30e6\u30fc\u30b6\u30fc\u306f\u3044\u3063\u305f\u3093\u7d4c\u7531\u3059\u308b\u4eee\u306e\u30a2\u30c9\u30c6\u30af\u30b5\u30fc\u30d3\u30b9\u30c9\u30e1\u30a4\u30f3\u306e\u30b5\u30fc\u30d0\u3067\u201dinteraction\u201d\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u4eee\u306e\u30a2\u30c9\u30c6\u30af\u30b5\u30fc\u30d3\u30b9\u304c\u767a\u884c\u3059\u308b\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u7528\u30af\u30c3\u30ad\u30fc\u306f\u300cinteraction\u306a\u3057\u30ea\u30bd\u30fc\u30b9\u300d\u306b\u8a72\u5f53\u3057\u3001\u5373\u5ea7\u306b\u9694\u96e2\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f<strong><u>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u8a08\u6e2c\u3092\u884c\u3046\u4ed6\u306e\u30c4\u30fc\u30eb\u3082\u540c\u69d8<\/u><\/strong>\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3060\u304b\u3089\u5927\u4e08\u592b\uff01\u3068\u3044\u3046\u308f\u3051\u3067\u3082\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>interaction\u304c\u306a\u3044\u30ea\u30bd\u30fc\u30b9\u306f30\u65e5\u9593\u6301\u3064\u306e\u304b\uff1f<\/h2>\n<p>\u5206\u96e2\u51e6\u7406\u3068\u540c\u3058\u3088\u3046\u306b\u3001<strong><u>interaction\u304c\u306a\u3044\u30ea\u30bd\u30fc\u30b9\u306f30\u65e5\u5f85\u305f\u305a\u306b\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/u><\/strong><\/p>\n<p>\u3053\u308c\u3082\u8abf\u67fb\u6e08\u307f\u3001\u78ba\u8a8d\u6e08\u307f\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u305f\u3060\u3057\u3001<strong><u>\u524d\u56de\u306e\u524a\u9664\u304b\u30891\u6642\u9593\u4ee5\u4e0a\u7d4c\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u524a\u9664\u3055\u308c\u307e\u305b\u3093\u3002<\/u><\/strong><\/p>\n<p>iPhone\u306e\u96fb\u6c60\u7bc0\u7d04\u306e\u305f\u3081\u3001\u524a\u9664\u51e6\u7406\u304c\u983b\u7e41\u306b\u5b9f\u884c\u3055\u308c\u3059\u304e\u306a\u3044\u3088\u3046\u306bWebKit\u306b\u9014\u4e2d\u304b\u3089\u524a\u9664\u9593\u9694\u3092\u8a2d\u3051\u308b\u5236\u9650\u304c\u8ffd\u52a0\u3055\u308c\u305f\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u305d\u306e\u7d50\u679c\u3001\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u7528\u30af\u30c3\u30ad\u30fc\u306f\u300cinteraction\u306a\u3057\u30ea\u30bd\u30fc\u30b9\u300d\u306b\u8a72\u5f53\u3059\u308b\u306e\u3067\u3001\u57fa\u672c\u7684\u306b\uff11\u6642\u9593\u3054\u3068\u306b\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u305f\u3060\u3057\u6700\u8fd1\u306eWebKit\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u306f\u3001interaction\u3042\u308a\u306a\u3057\u306e\u51e6\u7406\u306f\u3082\u3063\u3068\u306f\u3063\u304d\u308a\u308f\u304b\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<pre><u>https:\/\/trac.webkit.org\/browser\/webkit\/trunk\/Source\/WebKit\/UIProcess\/WebResourceLoadStatisticsStore.cpp<\/u> \u3088\u308a\r\nbool WebResourceLoadStatisticsStore::shouldPartitionCookies(const ResourceLoadStatistics&amp; statistic) const\r\n{\r\n    return statistic.isPrevalentResource &amp;&amp; statistic.hadUserInteraction &amp;&amp; WallTime::now() &gt; statistic.mostRecentUserInteractionTime + m_parameters.timeToLiveCookiePartitionFree;\r\n}\r\nbool WebResourceLoadStatisticsStore::shouldBlockCookies(const ResourceLoadStatistics&amp; statistic) const\r\n{\r\n    return statistic.isPrevalentResource &amp;&amp; !statistic.hadUserInteraction;\r\n}\r\n<\/pre>\n<p>\u3064\u307e\u308ainteraction\u306e\u306a\u3044\u30c9\u30e1\u30a4\u30f3\u306ecookie\u306f\u3001<strong><u>\u5206\u96e2\u3067\u306f\u306a\u304f\u62d2\u5426\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/u><\/strong><\/p>\n<p>\u3053\u306e\u4ed5\u69d8\u306f\u307e\u3060\u6b63\u5f0f\u7248\u306b\u306f\u53cd\u6620\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u53cd\u6620\u3055\u308c\u308b\u307e\u3067\u6642\u9593\u306e\u554f\u984c\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u30fb\u300cinteractions such as taps, clicks, and text entries.\u300d\u3092\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306finteraction\u3057\u3066\u3044\u308b\u3068\u898b\u306a\u305b\u307e\u305b\u3093\u3002<br \/>\n\u30fbinteraction\u3057\u3066\u3044\u308b\u3068\u898b\u306a\u305b\u306a\u3044\u306e\u3067\u3001\u5373\u5ea7\u306b\u30c9\u30e1\u30a4\u30f3\u3054\u3068\u306b\u5206\u96e2\u3055\u308c\u3001\u307e\u305f\u524a\u9664\u3055\u308c\u307e\u3059\u3002<br \/>\n\u30fb\u524d\u56de\u306e\u524a\u9664\u304b\u30891\u6642\u9593\u4ee5\u4e0a\u7d4c\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u524a\u9664\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>Safari\u306e\u5834\u5408\u306f\u4eca\u5f8c\u30011stPartyCookie\uff08\u8a2a\u554f\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u3067\u767a\u884c\u3055\u308c\u308bCookie\uff09\u3067\u306e\u8a08\u6e2c\u304c\u4e3b\u6d41\u306b\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u306b\u3057\u3066\u3082\u3001\u3053\u3053\u307e\u3067\u30c9\u30e9\u30b9\u30c6\u30a3\u30c3\u30af\u306a\u5bfe\u5fdc\u304c\u5fc5\u8981\u3060\u3063\u305f\u306e\u304b\u3001\u3068\u3044\u3046\u70b9\u306b\u95a2\u3057\u3066\u306f\u7591\u5ff5\u3092\u62b1\u304b\u3056\u308b\u3092\u5f97\u307e\u305b\u3093\u3002<\/p>\n<p>\u6050\u3089\u304f\u30a2\u30c3\u30d7\u30eb\u3068\u3057\u3066\u3082\u30c1\u30e3\u30ec\u30f3\u30b8\u30f3\u30b0\u306a\u3053\u3068\u3092\u3084\u3063\u3066\u3044\u308b\u306e\u306f\u7406\u89e3\u3057\u3066\u3044\u3066\u3001\u6279\u5224\u3082\u591a\u3005\u4e0a\u304c\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u4ed5\u69d8\u306f\u3059\u3050\u306b\u5909\u308f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u5f8c\u3082\u7d99\u7d9a\u3057\u3066\u4ed5\u69d8\u3092\u8ffd\u3044\u304b\u3051\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u308f\u308c\u308f\u308c\u306f\u8a8d\u8b58\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u306b\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u8aad\u3093\u3067\u958b\u767a\u5b9f\u8a3c\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u305f\u682a\u5f0f\u4f1a\u793e\u30ed\u30c3\u30af\u30aa\u30f3\u306e\u30a2\u30c9\u30a8\u30d3\u30b9\u958b\u767a\u30a8\u30f3\u30b8\u30cb\u30a2\u9663\u306e\u5e95\u529b\u3092\u3001\u3069\u3046\u304b\u8912\u3081\u79f0\u3048\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4ee5\u4e0a\u3001\u304a\u624b\u6570\u3067\u3059\u304c\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>ITP\uff08Intelligent Tracking Prevention\uff09\u306e\u767a\u8868\u304b\u30894\u30f6\u6708\u3002 \u30a2\u30c9\u30c6\u30af\u306b\u9650\u3089\u305a\u3001\u3042\u3089\u3086\u308b\u696d\u754c\u306b\u6fc0\u9707\u304c\u8d70\u3063\u3066\u304a\u308a\u307e\u3059\u3002 &nbsp; \u672c\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u306f\u4e3b\u306b\u30a2\u30c9\u30a8\u30d3\u30b9\u958b\u767a\u9663\u3068\u3057\u3066\u306e\u8abf\u67fb\u7d50\u679c\u3068\u3001\u4e16\u9593\u3067\u8a00\u308f\u308c\u308bITP\u4ed5\u69d8\u306b\u95a2\u3059\u308b\u8a8d\u8b58\u306b\u3064\u3044\u3066\u300c\u3042\u308c\u3063\uff1f\u305d\u3046\u3067\u3057\u305f\u3063\u3051\uff1f\u300d\u3068\u3044\u3046\u58f0\u3092\u3042\u3052\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u3053\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u95a2\u3057\u3066\u306f\u4e00\u5207\u3092\u30ea\u30f3\u30af\u30d5\u30ea\u30fc\u3068\u3057\u307e\u3059\u306e\u3067\u3001\u3069\u3093\u3069\u3093\u5f15\u7528\u3057\u3066\u4e0b\u3055\u3044\u3002\u307e\u305f\u4e0d\u6b63\u78ba\u3060\u3068\u601d\u308f\u308c\u308b\u70b9\u3042\u308c\u3070\u3001\u3054\u6307\u6458\u9802\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002\u968f\u6642\u66f4\u65b0\u3057\u3066\u307e\u3044\u308a\u307e\u3059\u3002 twitter\uff1b@mmlab_jp \u7d50\u8ad6\u304b\u3089\u7533\u305b\u3070\u3001\u4ee5\u4e0b\uff12\u70b9\u304c\u30a2\u30c9\u30a8\u30d3\u30b9\u958b\u767a\u9663\u304c\u767a\u898b\u3057\u305fITP\u306e\u6b63\u78ba\u306a\u4ed5\u69d8\u3067\u3042\u308a\u3001\u3042\u307e\u308a\u4e16\u9593\u3067\u805e\u3053\u3048\u3066\u3053\u306a\u3044\u7b87\u6240\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002 \u30fb\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u305f\u3060\u3051\u3001\u30b5\u30a4\u30c8\u8868\u793a\u306e\u307f\u3060\u3051\u3067\u306finteraction\uff08\u63a5\u89e6\uff09\u3068\u307f\u306a\u3055\u306a\u3044\u3002\u30b5\u30a4\u30c8\u8868\u793a\uff0b\u30af\u30ea\u30c3\u30af\u304c\u3042\u3063\u3066\u3001interaction\uff08\u63a5\u89e6\uff09\u3068\u307f\u306a\u3055\u308c\u308b \u30fbinteraction\u304c\u306a\u3044\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u7528\u30af\u30c3\u30ad\u30fc\u306f\u300c24\u6642\u9593\u300d\u3082\u6301\u305f\u306a\u3044 &nbsp; ITP\u306b\u95a2\u3059\u308b\uff11\u6b21\u60c5\u5831\u306b\u3064\u3044\u3066\u6574\u7406 ITP\u306b\u3064\u3044\u3066\u6b63\u78ba\u306a\u60c5\u5831\u6e90\u306f3\u3064\u3060\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002 &nbsp; 1\u3064\u76ee\u306f\u3001Safari\u306eWeb\u30a8\u30f3\u30b8\u30f3\u300cWebKit\u300d\u306eITP\u7d39\u4ecb\u30d6\u30ed\u30b0\u8a18\u4e8b\u3067\u3059\u3002 Intelligent Tracking Prevention https:\/\/webkit.org\/blog\/7675\/intelligent-tracking-prevention\/ &nbsp; 2\u3064\u76ee\u306f\u3001ITP\u306e\u958b\u767a\u8005\u306e\u4e00\u4eba\u3067\u3001\u4e0a\u8a18\u30d6\u30ed\u30b0\u8a18\u4e8b\u3092\u66f8\u3044\u305fJohn Wilander\u3055\u3093\u306eTwitter\u3067\u3059\u3002 Noteworthy aspect of Intelligent Tracking Prevention: It classifies tracking ability on-device =&gt; finds new trackers as they come to market. \u2014 John Wilander (@johnwilander)\u00a02017\u5e746\u67087\u65e5 A visit does not suffice. The user needs [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3118,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[162],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ITP\u306e\u4ed5\u69d8\u3068\u6319\u52d5\u306b\u3064\u3044\u3066\u3001\u3042\u307e\u308a\u77e5\u3089\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u7c21\u5358\u306b\u6574\u7406\u3059\u308b - \u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30c8\u30ea\u30c3\u30af\u30b9\u7814\u7a76\u6240\/MARKETING METRICS Lab. &#8211; \u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6700\u9069\u5316\u3092\u8003\u3048\u308b\u3002\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30c8\u30ea\u30c3\u30af\u30b9\u7814\u7a76\u6240<\/title>\n<meta name=\"description\" content=\"ITP\u5bfe\u5fdc\u306e\u4ed5\u69d8\u306b\u95a2\u3057\u3066\u3001\uff11\u6b21\u60c5\u5831\u3092\u7e8f\u3081\u305f\u7d50\u679c\u3092\u516c\u8868\u3057\u3066\u3044\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mm-lab.jp\/report\/itp_specification_and_behavior\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ITP\u306e\u4ed5\u69d8\u3068\u6319\u52d5\u306b\u3064\u3044\u3066\u3001\u3042\u307e\u308a\u77e5\u3089\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u7c21\u5358\u306b\u6574\u7406\u3059\u308b - \u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30c8\u30ea\u30c3\u30af\u30b9\u7814\u7a76\u6240\/MARKETING METRICS Lab. &#8211; 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