What is latency? Why your app feels slow for some people

Lesson 2 of when it breaks: why a vibe-coded app feels instant for you and sluggish for someone across the world. What latency is, what causes it,… Aliteq Sam Ortega · Build Editor

Latency is the wait between a request and its response

Distance is the biggest cause; slow connections and slow server work add more

Serving from a nearby edge or CDN removes most of the felt slowness

If testers say your app is slow but it's fast for you, latency and location are the prime suspects. Serving static files from a CDN, and not making users wait on slow work (the next lesson), removes…

What this means for your app

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