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JD Tech
JD Tech
Oct 20, 2023 · Frontend Development

Common Methods for Listening to List Item Exposure in Frontend Development

This article explains why front‑end data‑collection (exposure) points are crucial, outlines three main techniques—estimating visibility from paginated data, listening to scroll events with bounding‑box calculations, and using the IntersectionObserver API—detailing their implementation, advantages, drawbacks, and best‑practice usage across H5, mini‑programs, and Taro.

Exposure TrackingIntersectionObserverMini Program
0 likes · 23 min read
Common Methods for Listening to List Item Exposure in Frontend Development
JD Retail Technology
JD Retail Technology
Aug 3, 2023 · Frontend Development

Exposure Tracking for List Elements in Frontend Development

This article explains why exposure tracking (埋点) is essential for front‑end developers, compares three implementation methods—pagination‑based estimation, scroll‑event calculations, and the Intersection Observer API—provides detailed advantages, drawbacks, code examples, and platform‑specific guidance for Web, mini‑programs, and Taro frameworks.

Exposure TrackingIntersectionObserverList
0 likes · 21 min read
Exposure Tracking for List Elements in Frontend Development
Sohu Tech Products
Sohu Tech Products
Feb 1, 2023 · Mobile Development

Semi‑Automatic Declarative Show Exposure Tracking for Android Activities and Fragments

This article explains the differences between PV and show exposure points, introduces a PvTracker interface for semi‑automatic page‑view reporting, and presents a comprehensive solution that uses global activity lifecycle callbacks, fragment visibility detection, and Kotlin extension methods to achieve fully automated show event reporting in Android applications.

Exposure TrackingPVshow-event
0 likes · 12 min read
Semi‑Automatic Declarative Show Exposure Tracking for Android Activities and Fragments
Python Crawling & Data Mining
Python Crawling & Data Mining
Dec 4, 2022 · Product Management

Master Data Tracking: Key Scenarios, Workflow & the 7‑Step ‘Seven‑Word’ Guide

Data tracking (埋点) records user actions to inform product optimization, covering passive and active behaviors, with applications ranging from exposure, click, to page events, and follows a detailed workflow—from requirement gathering and design, through development, testing, deployment, to analysis—summarized by a concise seven‑step methodology.

Data Product ManagementData TrackingExposure Tracking
0 likes · 11 min read
Master Data Tracking: Key Scenarios, Workflow & the 7‑Step ‘Seven‑Word’ Guide
Dada Group Technology
Dada Group Technology
Jun 15, 2022 · Mobile Development

Design and Implementation of JD Daojia Precise Exposure Tracking System

This document details the background, architecture, new precise exposure system, technical challenges, iOS implementation, visualization tools, and achieved results of JD Daojia's mobile data‑tracking platform, highlighting how a three‑layer design and automated validation improve accuracy, reduce development cost, and streamline testing.

Exposure TrackingSystem Architecturedata validation
0 likes · 17 min read
Design and Implementation of JD Daojia Precise Exposure Tracking System
政采云技术
政采云技术
Mar 30, 2021 · Frontend Development

Implementing Front‑end Exposure Tracking with a Custom Vue Directive

This article explains how to build a reliable front‑end exposure (view) tracking solution for e‑commerce pages by using the native IntersectionObserver API together with a custom Vue directive, covering the definition of effective exposure, required business rules, and complete code implementation.

Custom DirectiveExposure TrackingIntersectionObserver
0 likes · 11 min read
Implementing Front‑end Exposure Tracking with a Custom Vue Directive
Beike Product & Technology
Beike Product & Technology
Aug 24, 2018 · Mobile Development

How to Accurately Track Card Exposure in Android RecyclerView

This article explains the shortcomings of hard‑coded exposure tracking in the Beike Zhaofang Android app, benchmarks industry practices, proposes a flexible API‑driven strategy, and provides a complete RecyclerView scroll‑listener implementation with a double‑ended queue to record precise card visibility durations.

APIAndroidExposure Tracking
0 likes · 7 min read
How to Accurately Track Card Exposure in Android RecyclerView