Tracking User Analytics from Login to Home Page in ReactJS

I am trying to setup analytics from login screen to home page(after authentication), to track conversion Following are the pages and events

1.
Login

a.
otp_generate_clicked - mixpanel.track()
b.
otp_verify_clicked - mixpanel.track()

2.
Home

a.
otp_verified
b.
user_logged - mixpanel.identify()

How do I track the user in 1a and 1b for the same identity in 2b. I'm using simplified merge and code in reactjs

2 comments

kapa.ai
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Hi Animesh D., Please stand by as I search the Mixpanel knowledge base for an AI-powered answer. I normally take about 15 seconds or so. In case AI cannot answer your question, feel free to reach out to Mixpanel support at mixpanel.com/get-support. If you have follow-up questions for this thread, please tag me again with your question: @kapa.ai <follow-up question> 👋
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kapa.ai
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To track the user across the login screen and home page using Simplified ID Merge in React, you can follow these steps:1. On the login screen (steps 1a and 1b), use a temporary identifier (like a device ID) for tracking events:LBKS// Login screen const deviceId = generateUniqueDeviceId(); // Generate a unique device IDLBKS// When OTP generate is clicked mixpanel.track('otp_generate_clicked', { $device_id: deviceId });LBKS// When OTP verify is clicked mixpanel.track('otp_verify_clicked', { $device_id: deviceId });LBKS2. On the home page (steps 2a and 2b), after successful authentication, use both the device ID and the user ID:LBKS// Home page, after successful authentication const userId = getUserId(); // Get the authenticated user's IDLBKS// Track OTP verified event mixpanel.track('otp_verified', { $device_id: deviceId, $user_id: userId });LBKS// Identify the user mixpanel.identify(userId);LBKS// Track user logged event mixpanel.track('user_logged', { $device_id: deviceId, $user_id: userId });LBKSBy including both $device_id and $user_id in the events on the home page, Mixpanel will automatically merge the anonymous events from the login screen (associated with the $device_id) with the identified user (associated with the $user_id).This approach follows the best practices for Simplified ID Merge as described in the Mixpanel documentation on Identifying Users (Simplified). The key points are:1. Use $device_id for anonymous events (login screen). 2. Include both $device_id and $user_id in events after authentication (home page). 3. Call mixpanel.identify(userId) after successful authentication.This setup will allow Mixpanel to link the pre-login and post-login events to the same user, providing a complete view of the user journey from the login screen to the home page.Remember to generate and persist the deviceId appropriately in your React application, possibly using local storage or a state management solution like Redux.Mixpanel SDKs: React Native provides more details on managing user identity in React applications, although the principles are the same for React.js.
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