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Is CDN the same as cache?
What is the difference between CDNs and caching? CDNs are geographically distributed networks of proxy servers and their objective is to serve content to users more quickly. Caching is the process of storing information for a set period of time on a computer.
Does CDN do caching?
For caching, a CDN will reduce the load on an application origin and improve the experience of the requestor by delivering a local copy of the content from a nearby cache edge, or Point of Presence (PoP).
What can CDN cache?
A CDN, or content delivery network, caches content (such as images, videos, or webpages) in proxy servers that are located closer to end users than origin servers. (A proxy server is a server that receives requests from clients and passes them along to other servers.)
Where are the caches located on a CDN?
Content Delivery Networks (CDNs) accelerate web traffic across the internet through servers residing in strategic locations (known as points of presence or PoPs) across the globe. Each PoP has a number of caching servers, each of which contains a cached version of your website or application.
What does it mean when a website is cached?
Technically, a cache is any temporary storage location for copies of files or data, but usually the term is used in reference to Internet technologies. DNS servers cache DNS records for faster lookups, CDN servers cache content to reduce latency, and web browsers cache HTML files, JavaScript, and images in order to load websites more quickly.
How to serve your blog from full page cache CDN locations?
This has been my setup for the past year; using WP-Rocket for local page cache set to 4 hours and Bunny CDN for CDN with page cache TTL is set to 24 hours. When you visit this blog from the UK, Bunny CDN will serve you a static page from a London CDN location.
Why is caching so important for a CDN?
Caching is the raison d’etre for CDNs. The reason for this is a CDN’s effectiveness can be measured by the cache hit ratio, which is the percentage of requests the CDN was able to serve out of its own cache. The higher the caching ratio, the better your website or application performance.