CDN Basics articles

CDN Basics 374 What a CDN is, and when it makes a difference (and when it does not) A CDN (content delivery network) is a set of machines spread around the world that keep copies of your site and hand...
CDN Basics 315 What a CDN does for you: caching, compression, images and protection People switch a CDN on expecting speed and get four different things at once. It is worth knowing which is which,...
CDN Basics 373 Putting a CDN in front of your site, step by step Putting a CDN in front of your site means changing who answers for the domain DNS. It is a ten-minute change that,...
CDN Basics 365 Switching the CDN off, and confirming it really is off There are three ways to switch a CDN off, and they are very different from one another. Picking the wrong one gets...
CDN Basics 221 Origin and edge in a CDN: HIT, MISS, BYPASS and what an origin shield does The short answer: a CDN has two sides. The origin is your hosting server, where the site lives. The edge servers are...
CDN Basics 238 Purging a CDN cache: one file, a folder or everything, and when not to purge The short answer: purging tells the CDN to throw away the copies it holds, so the next request goes to the origin...
CDN Basics 228 A CDN in front of a shop or members area: what must never be cached The short answer: in a shop, or on any site with accounts, the same page is not the same for everyone: the cart, the...
CDN Basics 216 A CDN only for images, video and downloads, or for the whole site: how to choose The short answer: there are two ways to put a CDN to work. The whole site: the domain points at the CDN (through its...