57 lines
1.7 KiB
Markdown
57 lines
1.7 KiB
Markdown
---
|
||
title: "GA4 Implementation"
|
||
type: concept
|
||
tags: [Analytics, Google, Tracking, Measurement]
|
||
---
|
||
|
||
## Definition
|
||
GA4（Google Analytics 4）是 Google 的新一代分析平台，基于事件驱动模型提供跨平台、跨设备的学生追踪能力，相比 UA 新增了用户级分析、机器学习预测和隐私优先设计。
|
||
|
||
## Core Features
|
||
- **Event-Based Model**：所有交互转换为事件（自动收集事件 + 自定义事件）
|
||
- **Enhanced Measurement**：增强型测量，自动追踪滚动、站点搜索、外链点击、视频互动
|
||
- **Custom Dimensions & Metrics**：自定义维度和指标
|
||
- **Cross-Domain Tracking**：跨域追踪
|
||
- **Ecommerce DataLayer**：电商数据层实现（view_item、add_to_cart、begin_checkout、purchase）
|
||
|
||
## Key Events
|
||
| Event | Description |
|
||
|-------|-------------|
|
||
| page_view | 页面浏览 |
|
||
| view_item | 查看产品 |
|
||
| add_to_cart | 添加到购物车 |
|
||
| begin_checkout | 开始结账 |
|
||
| purchase | 完成购买 |
|
||
| sign_up | 注册 |
|
||
| generate_lead | 生成 Lead |
|
||
|
||
## Data Layer Implementation
|
||
```javascript
|
||
dataLayer.push({
|
||
event: 'purchase',
|
||
ecommerce: {
|
||
transaction_id: 'T12345',
|
||
value: 99.00,
|
||
currency: 'USD',
|
||
items: [{
|
||
item_id: 'SKU123',
|
||
item_name: 'Product Name',
|
||
price: 99.00,
|
||
quantity: 1
|
||
}]
|
||
}
|
||
});
|
||
```
|
||
|
||
## Debug & Verification
|
||
- **GA4 DebugView**：实时查看事件发送
|
||
- **GTM Preview**：GTM 预览模式验证触发
|
||
- **Network Inspection**：检查 gtag.js 请求参数
|
||
|
||
## Related Concepts
|
||
- [[Conversion Tracking]]：转化追踪
|
||
- [[Server-Side Tagging]]：服务端标记
|
||
- [[Consent Mode]]：同意模式
|
||
|
||
## Related Entities
|
||
- [[Paid Media Tracking & Measurement Specialist]]：GA4 实施专家 |