https://www.chenshaowen.com/en/tags/tracking/Recent content in Tracking on Shaowen Chen's WebsiteHugo -- gohugo.ioen©2016 - {year}, All Rights Reserved.Tue, 08 Aug 2017 22:01:35 +0000weeklyhttps://www.chenshaowen.com/en/blog/growingio-collect-js-field-analysis.htmlTue, 08 Aug 2017 22:01:35 +0000Tue, 08 Aug 2017 22:01:35 +0000https://www.chenshaowen.com/en/blog/growingio-collect-js-field-analysis.html1. Field Meanings 1.1 u, User ID 1 2 3 4 5 6 if cookie.has(gr_user_id){ //使用 cookie 中的 gr_user_id 有效期十年 } else { //按照 "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" 格式，随机生成一个 gr_user_id } 1.2 s, SessionWeChat Official AccountDataFrontendAnalysisTrackingOperationsR&DLearningData Collectionhttps://www.chenshaowen.com/en/blog/operation-buried-point-and-design.htmlFri, 21 Jul 2017 13:34:15 +0000Fri, 21 Jul 2017 13:34:15 +0000https://www.chenshaowen.com/en/blog/operation-buried-point-and-design.html1. Terminology xpath: There are two approaches, the exact path and the approximate path. Exact path: body>div[0]>div[3]>ul>li[5]>a[0], walking up from the clicked element all the way to the root node and recording every node along the way. Approximate path: body>div.header>div.nav>a[23], which on top of the former omits from the upward path any node that is not on the whitelist.WeChat Official AccountDataDesignPlanR&DTrackingOperationsLearningData Analysis