{"id":16629,"date":"2018-02-09T05:00:13","date_gmt":"2018-02-08T20:00:13","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=16629"},"modified":"2018-11-14T16:33:41","modified_gmt":"2018-11-14T07:33:41","slug":"ping","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2018\/02\/09\/ping\/","title":{"rendered":"PING \u306e\u8aad\u307f\u65b9\u306f\u3055\u3066\u304a\u304d"},"content":{"rendered":"
\u3053\u3093\u306b\u3061\u306f\u3001\u4e2d\u5c71\u3067\u3059\uff08\u5199\u771f\u306f PINGU \u306e\u30e2\u30c7\u30eb\u3067\u3059\uff09\u3002 PING \u5c5e\u6027\u3092\u6301\u3064\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\uff08\u30bf\u30c3\u30d7\uff09\u3059\u308b\u3068\u3001\u5c5e\u6027\u5024\u306b\u6307\u5b9a\u3057\u305f URL \u3078 POST \u30ea\u30af\u30a8\u30b9\u30c8\u304c\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002 \nGoogle mobile search is getting faster - to be exact, 200-400 milliseconds faster! We are gradually rolling out this improvement to all browsers that support the <a ping> attribute (currently, mobile Chrome and Safari).\n<\/p><\/blockquote>\n \u3053\u306e\u6539\u5584\u306f\u3001\u5f93\u6765\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30bf\u3092\u7d4c\u7531\u3057\u305f\u30da\u30fc\u30b8\u9077\u79fb<\/p>\n \u306b\u5bfe\u3057\u3066<\/p>\n \u306e\u3088\u3046\u306b\u3001\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u51e6\u7406\u3092\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u5b9f\u65bd\u3057\u305f\u3053\u3068\u306b\u3088\u308b\u52b9\u679c\u3067\u3059\u3002<\/p>\n \u3067\u306f PING \u5c5e\u6027\u3092\u5229\u7528\u3057\u3001\u5404\u7a2e\u30b9\u30ad\u30fc\u30e0\u306e\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u7b49\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002 Chrome\uff0863.0.3239.132\uff09\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u4e8c\u756a\u76ee\u306e send_pings.max_per_link \u306f\u540c\u6642\u9001\u4fe1\u53ef\u80fd\u306a POST \u5148 URL \u6570\uff08PING \u5c5e\u6027\u306b\u306f \u30b9\u30da\u30fc\u30b9\u533a\u5207\u308a\u3067\u8907\u6570<\/a> \u306e URL \u3092\u6307\u5b9a\u53ef\u80fd\uff09\u3067\u3059\u3002<\/p>\n \nThe ping attribute, if present, gives the URLs of the resources that are interested in being notified if the user follows the hyperlink. The value must be a set of space-separated tokens, each of which must be a valid non-empty URL whose scheme is an HTTP(S) scheme. The value is used by the user agent for hyperlink auditing.\n<\/p><\/blockquote>\n Chrome \u3067\u5404\u7a2e HREF \u5c5e\u6027\u5024\u6bce\u306b\u3001\u9001\u4fe1\u3055\u308c\u308b Ping-To Header \u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n \u7d50\u679c 1. \uff5e 4. \u306e\u901a\u308a\u3001\u3082\u308c\u306a\u304f HREF \u5c5e\u6027\u5024\u304c Ping-To \u3068\u3057\u3066\u9001\u4fe1\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u4ee5\u524d \u30de\u30fc\u30b1\u30bf\u30fc\u306e\u5371\u6a5f\uff1f ITP \u6642\u4ee3\u306b\u30a2\u30c9\u30ec\u30b5\u30d6\u30eb\u5e83\u544a\u3092\u6d3b\u7528\u3059\u3079\u304d\u7406\u7531<\/a> \u306b\u3082\u8a18\u8f09\u3057\u307e\u3057\u305f\u304c\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30bf\u306f Set-Cookie \u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n \u3057\u304b\u3057 PING \u8981\u7d20\u306e\u3088\u3046\u306b\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u51e6\u7406\u3092\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u5b9f\u65bd\u3057\u305f\u5834\u5408\u3001\u8d64\u3044\u70b9\u7dda\u90e8\u5206\u306e HTTP Response Header \u306b\u3088\u308b Set-Cookie \u51e6\u7406\u306f\u53ef\u80fd\u3067\u3057\u3087\u3046\u304b !?<\/p>\n \u7d50\u8ad6\u304b\u3089\u8ff0\u3079\u308b\u3068\u53ef\u80fd\u3067\u3059\u3002 \u30ea\u30c0\u30a4\u30ec\u30af\u30bf\u306e\u5834\u5408 1st-party \u3068\u3057\u3066 Set-Cookie \u51e6\u7406\u3092\u5b9f\u884c\u3067\u304d\u308b\uff08ITP \u306e\u5f71\u97ff\u306f\u3053\u3053\u3067\u306f\u7121\u8996\u3057\u307e\u3059\uff09\u305f\u3081\u3001PING \u5c5e\u6027\u306f\u30ea\u30c0\u30a4\u30ec\u30af\u30bf\u3092\u5b8c\u5168\u306b\u7f6e\u304d\u63db\u3048\u308b\u624b\u6bb5\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u306d\u3002<\/p>\n \u6700\u5f8c\u306b sleep \u51e6\u7406\uff08= Response \u3092\u4e00\u5b9a\u6642\u9593\u30d6\u30ed\u30c3\u30af\uff09\u3092\u5165\u308c\u305f\u30ea\u30c0\u30a4\u30ec\u30af\u30bf\u7d4c\u7531\u306e\u30da\u30fc\u30b8\u9077\u79fb\u6642\u9593\u3068\u3001\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u51e6\u7406\u3092 PING \u5c5e\u6027\u3067\u4ee3\u66ff\u3057\u305f\u5834\u5408\u306e\u30da\u30fc\u30b8\u9077\u79fb\u6240\u8981\u6642\u9593\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n \u9077\u79fb\u6240\u8981\u6642\u9593\u306f LP \u5074\u3067 Navigation timing API<\/a> \u3092\u7528\u3044\u3066\u53d6\u5f97\u3057\u305f\u6642\u9593\u3092\u53ef\u8996\u5316\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u30c6\u30b9\u30c8\u7d50\u679c\u304b\u3089 PING \u5c5e\u6027\u3092\u7528\u3044\u308b\u3053\u3068\u3067 sleep \u51e6\u7406\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002 \u672a\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u306e\u8003\u616e\u304c\u96e3\u5100\u3067\u3059\u304c\u3001\u5c0e\u5165\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u5341\u5206\u306b\u3042\u308a\u305d\u3046\u3067\u3059\u306d !!<\/p>\n \uff082\/10 \u8ffd\u8a18\uff09<\/p>\n \u540c\u69d8\u306b\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306e\u6587\u8108\u3067\u3001\u5f93\u6765\u30d4\u30af\u30bb\u30eb\u3084 XMLHttpRequest \u3092\u7528\u3044\u3066\u5b9f\u73fe\u3057\u3066\u3044\u305f\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u3001\u51e6\u7406\u30b3\u30b9\u30c8\u3084\u5b9f\u884c\u62c5\u4fdd\u89b3\u70b9\u3067\u6700\u9069\u5316\u3057\u3066\u304f\u308c\u308b navigator.sendBeacon()<\/a> \u306b\u3064\u3044\u3066\u3082\u3001\u5225\u306e\u6a5f\u4f1a\u306b\u8a18\u4e8b\u306b\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \uff08Katherine McGovern \/ Shutterstock.com\uff09<\/p>\n
\n\uff08Katherine McGovern \/ Shutterstock.com\uff09<\/span><\/p>\n
\n\u4eca\u56de\u306f HTML Living Standard \u3067\u7b56\u5b9a\u3055\u308c\u305f A \u8981\u7d20\u306e PING \u5c5e\u6027\u306b\u3064\u3044\u3066\u306e\u304a\u8a71\u3067\u3059\u3002<\/p>\n\r\n\r\n Landing Page\r\n<\/a>\r\n<\/pre>\n
\n\u3053\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u30a4\u30d9\u30f3\u30c8\u767a\u751f\u306e\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002
\n2013 \u5e74\u306e\u8a18\u4e8b<\/a> \u306b\u3088\u308c\u3070 Google \u306e\u30e2\u30d0\u30a4\u30eb\u691c\u7d22\u3067\u306f PING \u5c5e\u6027\u306e\u5c0e\u5165\u304c 200\uff5e400 ms \u306e\u901f\u5ea6\u6539\u5584\u306b\u5bc4\u4e0e\u3057\u305f\u305d\u3046\u3067\u3059\u3002<\/p>\n<\/p>\n
<\/p>\n
\u30d6\u30e9\u30a6\u30b6\u8a2d\u5b9a<\/h2>\n
\n\u5148\u7acb\u3063\u3066\u3001\u30d6\u30e9\u30a6\u30b6\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
\nFirefox\uff0858.0\uff09\u3067\u5229\u7528\u3059\u308b\u5834\u5408\u306f about:config \u3067 send_pings \u3092\u6709\u52b9\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/p>\n
Ping-To Request Header<\/h2>\n
1. http: \u30b9\u30ad\u30fc\u30e0\uff08\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u4ed8\u304d\uff09<\/h4>\n
\r\n\r\n http-scheme + fragment\r\n<\/a>\r\n<\/pre>\n
\r\nHost: ...\r\nConnection: keep-alive\r\nContent-Length: 4\r\nPing-From: http:\/\/...\/test-page\r\nCache-Control: max-age=0\r\nUser-Agent: Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 ...\r\nPing-To: https:\/\/example.com\/#fragment\r\nContent-Type: text\/ping\r\nAccept: *\/*\r\nAccept-Encoding: gzip, deflate, br\r\nAccept-Language: ja,en-US;q=0.9,en;q=0.8\r\n<\/pre>\n
2. mailto: \u30b9\u30ad\u30fc\u30e0<\/h4>\n
\r\n\r\n mailto-scheme\r\n<\/a>\r\n<\/pre>\n
\r\nHost: ...\r\nConnection: keep-alive\r\nContent-Length: 4\r\nPing-From: http:\/\/...\/test-page\r\nCache-Control: max-age=0\r\nUser-Agent: Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 ...\r\nPing-To: mailto:someone@example.com?subject=subject&body=body\r\nContent-Type: text\/ping\r\nAccept: *\/*\r\nAccept-Encoding: gzip, deflate, br\r\nAccept-Language: ja,en-US;q=0.9,en;q=0.8\r\n<\/pre>\n
3. tel: \u30b9\u30ad\u30fc\u30e0<\/h4>\n
\r\n\r\n tel-scheme\r\n<\/a>\r\n<\/pre>\n
\r\nHost: ...\r\nConnection: keep-alive\r\nContent-Length: 4\r\nPing-From: http:\/\/...\/test-page\r\nCache-Control: max-age=0\r\nUser-Agent: Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 ...\r\nPing-To: tel:0312345678\r\nContent-Type: text\/ping\r\nAccept: *\/*\r\nAccept-Encoding: gzip, deflate, br\r\nAccept-Language: ja,en-US;q=0.9,en;q=0.8\r\n<\/pre>\n
4. javascript: \u30b9\u30ad\u30fc\u30e0<\/h4>\n
\r\n\r\n javascript-scheme\r\n<\/a>\r\n<\/pre>\n
\r\nHost: ...\r\nConnection: keep-alive\r\nContent-Length: 4\r\nPing-From: http:\/\/...\/test-page\r\nCache-Control: max-age=0\r\nUser-Agent: Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 ...\r\nPing-To: javascript:alert(1);\r\nContent-Type: text\/ping\r\nAccept: *\/*\r\nAccept-Encoding: gzip, deflate, br\r\nAccept-Language: ja,en-US;q=0.9,en;q=0.8\r\n<\/pre>\n
\n\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u60c5\u5831\uff08ex. \u30cf\u30c3\u30b7\u30e5\u30bf\u30b0\uff09\u306e\u53d6\u5f97\u3092\u542b\u3081\u3001\u69d8\u3005\u306a\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u7528\u9014\u306b\u5229\u7528\u3067\u304d\u305d\u3046\u3067\u3059\u306d\u3002<\/p>\nSet-Cookie Response Header<\/h2>\n
<\/p>\n
\n\u305f\u3060\u3057 PING \u306e\u9001\u4fe1\u5148\u304c\u95b2\u89a7\u4e2d\u306e\u30b5\u30fc\u30d3\u30b9\u3068\u7570\u306a\u308b\u30c9\u30e1\u30a4\u30f3\uff083rd-party Cookie\uff09\u306e\u5834\u5408\u3001Set-Cookie \u306e\u6210\u5426\u306f \u30d6\u30e9\u30a6\u30b6\u8a2d\u5b9a<\/a> \u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n\u901f\u5ea6\u6539\u5584\u30c6\u30b9\u30c8 + \u307e\u3068\u3081<\/h2>\n
<\/p>\n
\n\uff08\u88dc\u8db3\u3059\u308b\u3068\u3001\u30c6\u30b9\u30c8\u74b0\u5883\u306f localhost \u306b\u69cb\u7bc9\u3057\u305f\u305f\u3081 sleep \u4ee5\u5916\u306f\u307b\u3068\u3093\u3069\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3044\u307e\u305b\u3093\uff09<\/p>\n1.1. \u30ea\u30c0\u30a4\u30ec\u30af\u30bf\uff0810ms sleep\uff09\u7d4c\u7531<\/h4>\n
<\/p>\n
1.2. \u30ea\u30c0\u30a4\u30ec\u30af\u30bf\uff0850ms sleep\uff09\u7d4c\u7531<\/h4>\n
<\/p>\n
1.3. \u30ea\u30c0\u30a4\u30ec\u30af\u30bf\uff08100ms sleep\uff09\u7d4c\u7531<\/h4>\n
<\/p>\n
1.4. \u30ea\u30c0\u30a4\u30ec\u30af\u30bf\uff08500ms sleep\uff09\u7d4c\u7531<\/h4>\n
<\/p>\n
2.1. PING \u3092\u300c\u30ea\u30c0\u30a4\u30ec\u30af\u30bf\uff0810ms sleep\uff09\u300d\u306b\u9001\u4fe1<\/h4>\n
<\/p>\n
2.2. PING \u3092\u300c\u30ea\u30c0\u30a4\u30ec\u30af\u30bf\uff0850ms sleep\uff09\u300d\u306b\u9001\u4fe1<\/h4>\n
<\/p>\n
2.3. PING \u3092\u300c\u30ea\u30c0\u30a4\u30ec\u30af\u30bf\uff08100ms sleep\uff09\u300d\u306b\u9001\u4fe1<\/h4>\n
<\/p>\n
2.4. PING \u3092\u300c\u30ea\u30c0\u30a4\u30ec\u30af\u30bf\uff08500ms sleep\uff09\u300d\u306b\u9001\u4fe1<\/h4>\n
<\/p>\n
\n\u4ee5\u4e0b\u3001\u4eca\u56de\u306e\u307e\u3068\u3081\uff08+ \u03b1\uff09\u3067\u3059\u3002<\/p>\n\n
\n \uff08+ \u30ea\u30c0\u30a4\u30ec\u30af\u30bf\u306e\u30c8\u30e9\u30d6\u30eb\u306b\u3088\u308b\u30da\u30fc\u30b8\u9077\u79fb\uff08\u304c\u51fa\u6765\u306a\u3044\uff09\u4e8b\u6545\u3092\u9632\u6b62\uff09<\/li>\n<\/ul>\n