Title: gps-tracking  - Immanuel Raj

---

# Tag: gps-tracking

 * 
   ## 󠀁[How Does Real-Time Courier Tracking Actually Work?](https://immanuelraj.dev/how-real-time-courier-tracking-works/)󠁿
   
 * [October 12, 2026](https://immanuelraj.dev/how-real-time-courier-tracking-works/)
 * —
 * by
 * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/)
 * in [Networking](https://immanuelraj.dev/category/networking/), [Web](https://immanuelraj.dev/category/web/)
 * Read Time
 * 2–3 minutes
 * Most “real-time” systems are controlled illusions. Here’s how courier tracking
   actually works — from GPS pings to smooth UI animations — and the engineering
   trade-offs behind it.