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Content Delivery Networks

Facts, figures, opinion and tools to help you select the right CDN.

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CDN Performance Checker

Instantly check your CDN for timeouts, errors and cache misses from 10 locations around the globe.

CDN Finder

Quickly and easily find out which CDN a website is using.


How to Improve TTFB on Cloudflare with Speculation Rules

Learn about the Speculation Rules API and how CDN Planet used this new browser technology to reduce Time to First Byte on their Cloudflare powered website.

Bunny Fonts or Google Fonts - Performance Comparison

Which webfont service is best from a site speed perspective? Read our in-depth comparison of Google Fonts and Bunny Fonts performance.



Which CDNs support proxying WebSockets traffic between client and origin, or even run WebSockets apps at the edge?

Serve Stale

Serve Stale means the CDN serves expired objects from cache when the origin is down or returns errors. Which CDNs can serve stale?

CDN Purge Speed

How long does it take to purge a single cached object on a content delivery network?
CDN Planet measures CDN Purge Speed every hour from 3 global locations for 8 CDNs.

View Purge Speed data

Compare CDNs

Network, products, pricing, features and more!

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