# CDNs: Speed Up Performance by Reducing Latency

DevFeed: [CDNs: Speed Up Performance by Reducing Latency](<https://devfeed.tech/articles/cdns-speed-up-performance-by-reducing-latency-17710.md>)

Original publisher: [Read original article](<https://austingil.com/file-uploads-cdn/>)

Author: Austin

Published: 2023-05-01T14:57:05Z

Content type: tutorial

Language: en

Sources: [Back End - Austin Gil](<https://devfeed.tech/sources/back-end-austin-gil.md>)

Topics: [Latency](<https://devfeed.tech/topics/latency.md>), [Cache](<https://devfeed.tech/topics/cache.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>), [cloud-infrastructure](<https://devfeed.tech/topics/cloud-infrastructure.md>), [cloud-computing](<https://devfeed.tech/topics/cloud-computing.md>)

Tags: [akamai](<https://devfeed.tech/tags/akamai.md>), [architecture](<https://devfeed.tech/tags/architecture.md>), [back-end](<https://devfeed.tech/tags/back-end.md>), [cache](<https://devfeed.tech/tags/cache.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [cloud-computing](<https://devfeed.tech/tags/cloud-computing.md>), [coding](<https://devfeed.tech/tags/coding.md>), [development](<https://devfeed.tech/tags/development.md>), [latency](<https://devfeed.tech/tags/latency.md>), [optimization](<https://devfeed.tech/tags/optimization.md>), [performance](<https://devfeed.tech/tags/performance.md>), [programming](<https://devfeed.tech/tags/programming.md>), [software](<https://devfeed.tech/tags/software.md>), [speed](<https://devfeed.tech/tags/speed.md>), [uploads](<https://devfeed.tech/tags/uploads.md>), [web](<https://devfeed.tech/tags/web.md>), [web-development](<https://devfeed.tech/tags/web-development.md>)

## AI overview

This tutorial explains how content delivery networks reduce latency for files stored in object storage. It describes caching copies near users and reports a reduction in one Japan-based request from 1.1 seconds to 0.2 seconds when served through a CDN.

## Source excerpt

This post covers what CDNs are, how they work, and why you need one. I also show you how to connect Akamai CDN to Object Storage.