---
title: Content Delivery Network Blog  | Learn
description: Learn | CDN Blog | About Content Delivery Network
image: https://blog.blazingcdn.com/hubfs/logo%20560-560-1.png
---

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[⚡ Web Performance](https://blog.blazingcdn.com/web-performance?hsLang=en-us)

[🎬Video & Streaming ▾](https://blog.blazingcdn.com/video-streaming-cdn?hsLang=en-us)

[🔴 Live Streaming](https://blog.blazingcdn.com/live-streaming?hsLang=en-us) [📺 VOD & OTT](https://blog.blazingcdn.com/vod-ott?hsLang=en-us) [💰 Bandwidth & Costs](https://blog.blazingcdn.com/bandwidth-costs?hsLang=en-us)

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[💰 Pricing & Costs ▾](https://blog.blazingcdn.com/cdn-pricing-and-cdn-costs?hsLang=en-us)

[Provider Pricing](https://blog.blazingcdn.com/provider-pricing?hsLang=en-us) [Cost Optimization](https://blog.blazingcdn.com/cost-optimization?hsLang=en-us) [Decision Support](https://blog.blazingcdn.com/decision-support?hsLang=en-us)

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[Attack Protection](https://blog.blazingcdn.com/attack-protection?hsLang=en-us) [Encryption & Access](https://blog.blazingcdn.com/encryption-access?hsLang=en-us) [Video & DRM Security](https://blog.blazingcdn.com/video-drm-security?hsLang=en-us)

[📁 Case Studies](https://blog.blazingcdn.com/case-studies?hsLang=en-us) [🔌 Integrations](https://blog.blazingcdn.com/integrations?hsLang=en-us) [🛠️ Tools](https://blog.blazingcdn.com/cdn-tools?hsLang=en-us)

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# Content Delivery Network Blog | Learn | About Content Delivery Network

Learn | CDN Blog | About Content Delivery Network

[All](https://blog.blazingcdn.com/en-us) [Learn](https://blog.blazingcdn.com/en-us/tag/learn) [Learn - CDN Fundamentals](https://blog.blazingcdn.com/en-us/tag/learn-cdn-fundamentals) [Compare](https://blog.blazingcdn.com/en-us/tag/compare) [Learn - Advanced Concepts](https://blog.blazingcdn.com/en-us/tag/learn-advanced-concepts) [Pricing - Cost Optimization](https://blog.blazingcdn.com/en-us/tag/pricing-cost-optimization) [Video - Video & Streaming](https://blog.blazingcdn.com/en-us/tag/video-video-streaming) [Mobile Apps & Developers](https://blog.blazingcdn.com/en-us/tag/mobile-apps-developers) [Pricing - Pricing & Costs](https://blog.blazingcdn.com/en-us/tag/pricing-pricing-costs) [Benchmarks](https://blog.blazingcdn.com/en-us/tag/benchmarks) [Video - Live Streaming](https://blog.blazingcdn.com/en-us/tag/video-live-streaming) [Software & SaaS](https://blog.blazingcdn.com/en-us/tag/software-saas) [Pricing - Provider Pricing](https://blog.blazingcdn.com/en-us/tag/pricing-provider-pricing) [Compare - Provider Comparisons](https://blog.blazingcdn.com/en-us/tag/compare-provider-comparisons) [Industries](https://blog.blazingcdn.com/en-us/tag/industries) [Media & Broadcasting](https://blog.blazingcdn.com/en-us/tag/media-broadcasting) [DevOps & Cloud Infra](https://blog.blazingcdn.com/en-us/tag/devops-cloud-infra) [Gaming & Esports](https://blog.blazingcdn.com/en-us/tag/gaming-esports) [Pricing - Decision Support](https://blog.blazingcdn.com/en-us/tag/pricing-decision-support) [Enterprise & Corporate](https://blog.blazingcdn.com/en-us/tag/enterprise-corporate) [Tools](https://blog.blazingcdn.com/en-us/tag/tools) [AI & Machine Learning](https://blog.blazingcdn.com/en-us/tag/ai-machine-learning) [Security](https://blog.blazingcdn.com/en-us/tag/security) [Video - VOD & OTT](https://blog.blazingcdn.com/en-us/tag/video-vod-ott) [Learn - By Content Type](https://blog.blazingcdn.com/en-us/tag/learn-by-content-type) [Security - Encryption & Access](https://blog.blazingcdn.com/en-us/tag/security-encryption-access) [Video - Bandwidth & Costs](https://blog.blazingcdn.com/en-us/tag/video-bandwidth-costs) [Security - Attack Protection](https://blog.blazingcdn.com/en-us/tag/security-attack-protection) [Compare - Ratings & Benchmarks](https://blog.blazingcdn.com/en-us/tag/compare-ratings-benchmarks) [E-Learning & EdTech](https://blog.blazingcdn.com/en-us/tag/e-learning-edtech) [Security - Video & DRM Security](https://blog.blazingcdn.com/en-us/tag/security-video-drm-security) [Compare - Strategy Comparisons](https://blog.blazingcdn.com/en-us/tag/compare-strategy-comparisons) [Sports & Live Events](https://blog.blazingcdn.com/en-us/tag/sports-live-events) [AdTech & Advertising](https://blog.blazingcdn.com/en-us/tag/adtech-advertising) [Case Studies](https://blog.blazingcdn.com/en-us/tag/case-studies) [Learn - Glossary](https://blog.blazingcdn.com/en-us/tag/learn-glossary)

[![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-26-2026-07-00-27-9592-AM.jpeg)](https://blog.blazingcdn.com/en-us/what-are-cdn-nodes-and-points-of-presence-pops)

[Learn](https://blog.blazingcdn.com/en-us/tag/learn)

## [What Is a PoP? CDN Nodes, Edge Servers and Points of Presence](https://blog.blazingcdn.com/en-us/what-are-cdn-nodes-and-points-of-presence-pops)

 What Is a PoP? CDN Nodes, Edge Servers and Points of Presence A CDN PoP 40 km from your users can lose to one 400 km ...

 BlazingCDN ·  Sep 26, 2026, 9:02:02 AM 

[Read more](https://blog.blazingcdn.com/en-us/what-are-cdn-nodes-and-points-of-presence-pops)

[![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-25-2026-07-30-27-0196-AM.jpeg)](https://blog.blazingcdn.com/en-us/what-is-rtmp-how-rtmp-streaming-and-ingest-work)

[Learn](https://blog.blazingcdn.com/en-us/tag/learn)

## [What Is RTMP? How RTMP Streaming and Ingest Work](https://blog.blazingcdn.com/en-us/what-is-rtmp-how-rtmp-streaming-and-ingest-work)

 RTMP (Real-Time Messaging Protocol) is a TCP-based streaming protocol, originally built by Macromedia for Flash, that ...

 BlazingCDN ·  Sep 25, 2026, 9:31:45 AM 

[Read more](https://blog.blazingcdn.com/en-us/what-is-rtmp-how-rtmp-streaming-and-ingest-work)

[![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-24-2026-07-30-24-1334-AM.jpeg)](https://blog.blazingcdn.com/en-us/image-delivery-at-the-edge-webp-avif-and-responsive-sizes)

[Learn](https://blog.blazingcdn.com/en-us/tag/learn)

## [Image Delivery at the Edge: WebP, AVIF and Responsive Sizes](https://blog.blazingcdn.com/en-us/image-delivery-at-the-edge-webp-avif-and-responsive-sizes)

 An image CDN should serve AVIF to the roughly 93–95% of browsers that decode it as of 2026, WebP to most of the rest, ...

 BlazingCDN ·  Sep 24, 2026, 9:31:53 AM 

[Read more](https://blog.blazingcdn.com/en-us/image-delivery-at-the-edge-webp-avif-and-responsive-sizes)

[![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-23-2026-07-30-26-9133-AM.jpeg)](https://blog.blazingcdn.com/en-us/cdn-cache-key-design-query-strings-cookies-and-hit-ratio)

[Learn](https://blog.blazingcdn.com/en-us/tag/learn)

## [CDN Cache Key Design: Query Strings, Cookies and Hit Ratio](https://blog.blazingcdn.com/en-us/cdn-cache-key-design-query-strings-cookies-and-hit-ratio)

 A CDN cache key is the tuple the edge hashes to decide hit or miss, and on most platforms the default is scheme, host, ...

 BlazingCDN ·  Sep 23, 2026, 9:32:52 AM 

[Read more](https://blog.blazingcdn.com/en-us/cdn-cache-key-design-query-strings-cookies-and-hit-ratio)

[![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-23-2026-07-00-37-8574-AM.jpeg)](https://blog.blazingcdn.com/en-us/cdn-netflix-tech-stack-open-connect-home-caching-nodes)

[Learn](https://blog.blazingcdn.com/en-us/tag/learn)

## [Netflix CDN Explained: How Open Connect and ISP Caches Work](https://blog.blazingcdn.com/en-us/cdn-netflix-tech-stack-open-connect-home-caching-nodes)

 Netflix CDN Explained: Open Connect and ISP Caches 2026 The Netflix CDN moves the overwhelming majority of its bytes ...

 BlazingCDN ·  Sep 23, 2026, 9:02:33 AM 

[Read more](https://blog.blazingcdn.com/en-us/cdn-netflix-tech-stack-open-connect-home-caching-nodes)

[![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-22-2026-07-00-41-8479-AM.jpeg)](https://blog.blazingcdn.com/en-us/cdn-stands-for-content-delivery-network-history-and-evolution)

[Learn](https://blog.blazingcdn.com/en-us/tag/learn)

## [What Is a Content Delivery Network (CDN)? How It Works](https://blog.blazingcdn.com/en-us/cdn-stands-for-content-delivery-network-history-and-evolution)

 What Is a Content Delivery Network (CDN)? How It Works in 2026 A content delivery network is a distributed set of edge ...

 BlazingCDN ·  Sep 22, 2026, 9:02:25 AM 

[Read more](https://blog.blazingcdn.com/en-us/cdn-stands-for-content-delivery-network-history-and-evolution)

[![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-21-2026-07-30-27-5571-AM.jpeg)](https://blog.blazingcdn.com/en-us/tls-1-3-and-0-rtt-at-the-edge-the-real-handshake-cost)

[Learn](https://blog.blazingcdn.com/en-us/tag/learn)

## [TLS 1.3 and 0-RTT at the Edge: The Real Handshake Cost](https://blog.blazingcdn.com/en-us/tls-1-3-and-0-rtt-at-the-edge-the-real-handshake-cost)

 TLS 1.3 removes exactly one round trip from a full handshake compared with TLS 1.2, and 0-RTT removes one more on ...

 BlazingCDN ·  Sep 21, 2026, 9:33:42 AM 

[Read more](https://blog.blazingcdn.com/en-us/tls-1-3-and-0-rtt-at-the-edge-the-real-handshake-cost)

[![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-20-2026-07-30-23-3710-AM.jpeg)](https://blog.blazingcdn.com/en-us/anycast-vs-dns-routing-how-a-cdn-picks-the-pop)

[Learn](https://blog.blazingcdn.com/en-us/tag/learn)

## [Anycast vs DNS Routing: How a CDN Picks the PoP](https://blog.blazingcdn.com/en-us/anycast-vs-dns-routing-how-a-cdn-picks-the-pop)

 Evaluated February 2026. Two mechanisms decide which edge serves a request, and they fail on completely different ...

 BlazingCDN ·  Sep 20, 2026, 9:33:54 AM 

[Read more](https://blog.blazingcdn.com/en-us/anycast-vs-dns-routing-how-a-cdn-picks-the-pop)

[![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-19-2026-07-30-29-9642-AM.jpeg)](https://blog.blazingcdn.com/en-us/cdn-log-delivery-real-time-logs-and-analytics-pipelines)

[Learn](https://blog.blazingcdn.com/en-us/tag/learn)

## [CDN Log Delivery: Real-Time Logs and Analytics Pipelines](https://blog.blazingcdn.com/en-us/cdn-log-delivery-real-time-logs-and-analytics-pipelines)

 A working cdn log delivery pipeline takes about 40 minutes to stand up on an existing object storage bucket plus one ...

 BlazingCDN ·  Sep 19, 2026, 9:33:15 AM 

[Read more](https://blog.blazingcdn.com/en-us/cdn-log-delivery-real-time-logs-and-analytics-pipelines)

[![](https://cdn.leonardo.ai/users/50b20153-23ad-4a4e-9850-7b347a32af23/generations/e475529c-d8e3-4e80-9723-87f23c63e8e2/Leonardo_Phoenix_Create_bannerTEXT_What_is_the_price_per_TB_of_0.jpg)](https://blog.blazingcdn.com/en-us/what-is-the-price-per-tb-of-alibaba-cloud-cdn)

[Learn](https://blog.blazingcdn.com/en-us/tag/learn)

## [Alibaba Cloud CDN Pricing: Cost Per TB and Alternatives](https://blog.blazingcdn.com/en-us/what-is-the-price-per-tb-of-alibaba-cloud-cdn)

 Picture this: a world where the speed of your website can make or break your business. In an age where digital ...

 BlazingCDN ·  Sep 18, 2026, 9:40:22 AM 

[Read more](https://blog.blazingcdn.com/en-us/what-is-the-price-per-tb-of-alibaba-cloud-cdn)

← Prev 1 [2](https://blog.blazingcdn.com/en-us/tag/learn/page/2) [3](https://blog.blazingcdn.com/en-us/tag/learn/page/3) … [66](https://blog.blazingcdn.com/en-us/tag/learn/page/66) [Next →](https://blog.blazingcdn.com/en-us/tag/learn/page/2)

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