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Introduction

Phi SDK is a unified platform for analytics, live chat, and user identification. One script, multiple capabilities.

What's Included

Analytics

Pageviews, events, duration

Live Chat

Embedded chat widget

Identification

Link visitors to users

Lightning Fast

Sub-50ms response times. Lightweight script (~3KB gzipped) with zero dependencies.

Privacy-First

No cookies by default. GDPR compliant with automatic IP anonymization.

Duration Tracking

Accurate time-on-page using Visibility API. Only tracks active engagement.

SPA Support

Automatic tracking for React, Vue, Next.js, and other single-page applications.

Quick Start

Add one script tag to start tracking. Analytics are automatic, chat and identification are opt-in.

Basic Installation

Add this to your website's <head> tag:

<script 
  src="https://phi.llc/phi.js" 
  data-id="your-site-id"
></script>

That's it! Pageviews, duration, and device info are tracked automatically.

With Live Chat

Enable the chat widget with one attribute:

<script 
  src="https://phi.llc/phi.js" 
  data-id="your-site-id"
  data-chat="true"
></script>

Core Features

Analytics

  • Automatic pageview tracking with sub-50ms response
  • Duration tracking using Visibility API (active time only)
  • Custom event tracking with metadata
  • Device, browser, and OS detection
  • Referrer tracking with UTM parameter support
  • Geolocation (country and city-level)
  • SPA support (React, Vue, Next.js)

Live Chat

  • Embedded chat widget (iframe-based)
  • Real-time messaging with admin dashboard
  • Pre-chat form for email collection
  • Marketing consent checkbox
  • Customizable position (bottom-left/right)
  • Light and dark theme support

User Identification

  • Link anonymous visitors to known users
  • Persist identity across sessions
  • View identified users in Event Stream
  • Enable targeted email campaigns
  • Works with any auth system

Dashboard

Access your analytics, chat conversations, and contacts from a unified dashboard at phi.llc/os

📊 Analytics

Real-time pageviews, duration, top pages, referrers, and geographic data.

💬 Chat

View and respond to chat conversations. Email transcripts to visitors.

📧 Contacts

Manage email contacts collected from chat and identification.

🎯 Event Stream

Live feed of all events with user, page, duration, location, and device.

Ready to get started?

Follow our quickstart guide to integrate Phi SDK in under 5 minutes.

Quickstart Guide